The Chemical Weapons Convention (CWC) is an international treaty that poses a complete ban on chemical weapons.
To support the verification regime and declaration requirements imposed by the convention, the CWC contains an Annex on Chemicals composed of three schedules: Schedule 1, Schedule 2, and Schedule 3. On November 27, 2019, the 24th Conference of State Parties to the CWC approved the addition of previously unscheduled chemicals to Schedule 1. The amendment will enter into force on June 7, 2020.
Each Schedule is divided into a part A, which lists chemical warfare agents, and a part B, which lists chemical precursors.
Schedule 1 comprises chemicals that are regarded exclusively or almost exclusively as chemical warfare agents or precursors for their synthesis. Conversely, Schedules 2 and 3 comprise dual-use chemicals that have also legitimate, non-military commercial applications, on a smaller scale for Schedule 2, and on a larger scale for Schedule 3.
While some of the entries in the CWC Schedules identify individual chemicals, other identify families of related chemicals, defined as a central chemical scaffold bearing a number of attached variable chemical groups.
It is worth emphasizing that the purpose of the CWC schedules is to support the treaty’s verification regime and declaration requirements. The schedules should not be construed as an exhaustive compilation of chemical warfare agents and precursors. Indeed, the CWC includes in its definition of chemical weapons “any chemical (emphasis added) which through its chemical action on life processes can cause death, temporary incapacitation or permanent harm to humans or animals.” Hence, any weapon designed to bring about death, temporary incapacitation, or permanent harm through the toxic properties of chemicals is to be considered a chemical weapon, and any toxic chemical at the basis of such weapons is to be considered a chemical warfare agent.
The table below lists all of the entries of the three CWC Schedules, curated and structurally annotated. An “Overlap Analysis” column shows the corresponding entries in the Australia Group (AG) “Chemical Weapons Precursors” list and the Wassenaar Arrangement’s Munitions List 7 (ML7) .
New. This table is presented in a new format, with live links to PubMed cards, 3D structures (through iCn3D), and MolView cards, which provide a good compendium of the available data, including analytical spectra.
A document in which the CWC Schedules are annotated with chemical structures and three-dimensional models has been produced by the Organisation for the Prohibition of Chemical Weapons (OPCW): “The Science for Diplomats” Annex on Chemicals – A user friendly and scientifically annotated version of the Chemical Weapons Convention Annex on Chemicals
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Chemical Weapons Convention (CWC) Schedules
Curated and Structurally Annotated by Costanzi Research – www.costanziresearch.com (Last Update: May 18, 2020) |
Disclaimer. The information in this spreadsheet is provided for research and general information purposes only. The authors do not guarantee the accuracy of the information and do not take any responsibility for any consequence, including, but not limited to, financial or legal consequences, that may occur due to inaccuracies or omissions. |
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Individual Chemicals Mixtures of Chemicals Proteins Families of Chemicals Examples: Individual Compounds Belonging to a Family of Chemicals Exceptions: Compounds Belonging to a Family of Chemicals but Excluded from the CWC Schedules |
Notes. 1. Schedule 1 entries 1A13 – 1A16 will enter into force on June 7, 2020. 2. For entries lacking a CAS registry number, a sequential registry number assinged by Costanzi Research (CR number) is provided instead. 3. For proteins, the UNIPROT ID is provided instead. 4. Overlaps among CWC schedules, Australia Group chemicals, and Wassenaar ML7 chemicals are provided. 5. 2D structures curated by Costanzi Research are provided as MRV files (requires ChemAxon’s MarvinSketch to open). 6. 3D strucures from PubChem are shown with NCBI’s iCn3D. 7. MolView cards provide a good compendium of the available data, including, inter alia, analytical spectra. |
| Category | CWC Entry Number1 | CWC Entry Name | CAS Registry Number2 | PubChem ID3 | Structure (click to enlarge) |
SMILES | InChI | Overlaps4 | Links5-7 |
|---|---|---|---|---|---|---|---|---|---|
| Nerve agents | CWC 1A1 | O-Alkyl (<=C10, incl. cycloalkyl) alkyl (Me, Et, n-Pr or i-Pr)-phosphonofluoridates | CR0001 | — |  |
— | — | WA ML7 b.1.a | — |
| Nerve agents | CWC 1A1 Example 1 | Sarin: O-Isopropyl methylphosphonofluoridate | 107-44-8 | 7871 |
 |
CC(C)O[P](C)(F)=O | InChI=1S/C4H10FO2P/c1-4(2)7-8(3,5)6/h4H,1-3H3 | WA ML7 b.1.a Example 1 |
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| Nerve agents | CWC 1A1 Example 2 | Soman: O-Pinacolyl methylphosphonofluoridate | 96-64-0 | 7305 |
 |
CC(O[P](C)(F)=O)C(C)(C)C | InChI=1S/C7H16FO2P/c1-6(7(2,3)4)10-11(5,8)9/h6H,1-5H3 | WA ML7 b.1.a Example 2 |
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| Nerve agents | CWC 1A2 | O-Alkyl (<=C10, incl. cycloalkyl) N,N-dialkyl (Me, Et, n-Pr or i-Pr) phosphoramidocyanidates | CR0002 | — |  |
— | — | WA ML7 b.1.b | — |
| Nerve agents | CWC 1A2 Example 1 | Tabun:O-Ethyl N,N-dimethyl phosphoramidocyanidate | 77-81-6 | 6500 |
 |
CCO[P](=O)(C#N)N(C)C | InChI=1S/C5H11N2O2P/c1-4-9-10(8,5-6)7(2)3/h4H2,1-3H3 | WA ML7 b.1.b Example 1 |
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| Nerve agents | CWC 1A3 | O-Alkyl (H or <=C10, incl. cycloalkyl) S-2-dialkyl (Me, Et, n-Pr or i-Pr)-aminoethyl alkyl (Me, Et, n-Pr or i-Pr) phosphonothiolates and corresponding alkylated or protonated salts | CR0003 | — |  |
— | — | WA ML7 b.1.c | — |
| Nerve agents | CWC 1A3 Example 1 | VX: O-Ethyl S-2-diisopropylaminoethyl methyl phosphonothiolate | 50782-69-9 | 39793 |
 |
CCO[P](C)(=O)SCCN(C(C)C)C(C)C | InChI=1S/C11H26NO2PS/c1-7-14-15(6,13)16-9-8-12(10(2)3)11(4)5/h10-11H,7-9H2,1-6H3 | WA ML7 b.1.c Example 1 |
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| Sulfur mustards | CWC 1A4-1 | 2-Chloroethylchloromethylsulfide | 2625-76-5 | 14557887 |
 |
ClCCC(Cl)SC(Cl)CCCl | InChI=1S/C3H6Cl2S/c4-1-2-6-3-5/h1-3H2 | WA ML7 b.2.a.1 |
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| Sulfur mustards | CWC 1A4-2 | Mustard gas: Bis(2-chloroethyl)sulfide | 505-60-2 | 10461 |
 |
ClCCSCCCl | InChI=1S/C4H8Cl2S/c5-1-3-7-4-2-6/h1-4H2 | WA ML7 b.2.a2 |
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| Sulfur mustards | CWC 1A4-3 | Bis(2-chloroethylthio)methane | 63869-13-6 | 522107 |
 |
ClCCSCSCCCl | InChI=1S/C5H10Cl2S2/c6-1-3-8-5-9-4-2-7/h1-5H2 | WA ML7 b.2.a.3 |
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| Sulfur mustards | CWC 1A4-4 | Sesquimustard: 1,2-Bis(2-chloroethylthio)ethane | 3563-36-8 | 19092 |
 |
ClCCSCCSCCCl | InChI=1S/C6H12Cl2S2/c7-1-3-9-5-6-10-4-2-8/h1-6H2 | WA ML7 b.2.a.4 |
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| Sulfur mustards | CWC 1A4-5 | 1,3-Bis(2-chloroethylthio)-n-propane | 63905-10-2 | 522108 |
 |
ClCCSCCCSCCCl | InChI=1S/C7H14Cl2S2/c8-2-6-10-4-1-5-11-7-3-9/h1-7H2 | WA ML7 b.2.a.5 |
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| Sulfur mustards | CWC 1A4-6 | 1,4-Bis(2-chloroethylthio)-n-butane | 142868-93-7 | 518918 |
 |
ClCCSCCCCSCCCl | InChI=1S/C8H16Cl2S2/c9-3-7-11-5-1-2-6-12-8-4-10/h1-8H2 | WA ML7 b.2.a.6 |
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| Sulfur mustards | CWC 1A4-7 | 1,5-Bis(2-chloroethylthio)-n-pentane | 142868-94-8 | 22608774 |
 |
ClCCSCCCCCSCCCl | InChI=1S/C9H18Cl2S2/c10-4-8-12-6-2-1-3-7-13-9-5-11/h1-9H2 | WA ML7 b.2.a.7 |
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| Sulfur mustards | CWC 1A4-8 | Bis(2-chloroethylthiomethyl)ether | 63918-90-1 | 22608780 |
 |
ClCCSCOCSCCCl | InChI=1S/C6H12Cl2OS2/c7-1-3-10-5-9-6-11-4-2-8/h1-6H2 | WA ML7 b.2.a.8 |
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| Sulfur mustards | CWC 1A4-9 | O-Mustard: Bis(2-chloroethylthioethyl)ether | 63918-89-8 | 45452 |
 |
ClCCSCCOCCSCCCl | InChI=1S/C8H16Cl2OS2/c9-1-5-12-7-3-11-4-8-13-6-2-10/h1-8H2 | WA ML7 b.2.a.9 |
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| Lewisites | CWC 1A5-1 | Lewisite 1: 2-Chlorovinyldichloroarsine | 541-25-3 | 5372798 |
 |
Cl/C=C/[As](Cl)Cl | InChI=1S/C2H2AsCl3/c4-2-1-3(5)6/h1-2H/b2-1+ | WA ML7 b.2.b.1 |
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| Lewisites | CWC 1A5-2 | Lewisite 2: Bis(2-chlorovinyl)chloroarsine | 40334-69-8 | 5368106 |
 |
Cl/C=C/[As](Cl)/C=C/Cl | InChI=1S/C4H4AsCl3/c6-3-1-5(8)2-4-7/h1-4H/b3-1+,4-2+ | WA ML7 b.2.b.2 |
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| Lewisites | CWC 1A5-3 | Lewisite 3: Tris(2-chlorovinyl)arsine | 40334-70-1 | 5352143 |
 |
Cl/C=C/[As](/C=C/Cl)/C=C/Cl | InChI=1S/C6H6AsCl3/c8-4-1-7(2-5-9)3-6-10/h1-6H/b4-1+,5-2+,6-3+ | WA ML7 b.2.b.3 |
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| Nitrogen mustards | CWC 1A6-1 | HN1: Bis(2-chloroethyl)ethylamine | 538-07-8 | 10848 |
 |
CCN(CCCl)CCCl | InChI=1S/C6H13Cl2N/c1-2-9(5-3-7)6-4-8/h2-6H2,1H3 | WA ML7 b.2.c.1 |
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| Nitrogen mustards | CWC 1A6-2 | HN2: Bis(2-chloroethyl)methylamine | 51-75-2 | 4033 |
 |
CN(CCCl)CCCl | InChI=1S/C5H11Cl2N/c1-8(4-2-6)5-3-7/h2-5H2,1H3 | WA ML7 b.2.c.2 |
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| Nitrogen mustards | CWC 1A6-3 | HN3: Tris(2-chloroethyl)amine | 555-77-1 | 5561 |
 |
[H+].[Cl-].ClCCN(CCCl)CCCl | InChI=1S/C6H12Cl3N/c7-1-4-10(5-2-8)6-3-9/h1-6H2 | WA ML7 b.2.c.3 |
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| Toxins | CWC 1A7 | Saxitoxin | 35523-89-8 | 56947150 |
 |
NC(=O)OC[C@@H]1N=C(N)N2CCC(O)(O)[C@@]23N=C(N)N[C@@H]13 | InChI=1S/C10H17N7O4/c11-6-15-5-4(3-21-8(13)18)14-7(12)17-2-1-9(19,20)10(5,17)16-6/h4-5,19-20H,1-3H2,(H2,12,14)(H2,13,18)(H3,11,15,16)/t4-,5-,10-/m0/s1 | — |
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| Toxins | CWC 1A8 | Ricin | 9009-86-3 | P02879 |
 |
— | — | — |
Show 3D Structure |
| Novichok agents | CWC 1A13 | P-alkyl (H or ≤C10, incl. cycloalkyl) N-(1-(dialkyl(≤C10, incl. cycloalkyl)amino))alkylidene(H or ≤C10, incl. cycloalkyl) phosphonamidic fluorides and corresponding alkylated or protonated salts | CR0004 | — |  |
— | — | — | — |
| Novichok agents | CWC 1A13 Example 1 | N-(1-(di-n-decylamino)-n-decylidene)-P-decylphosphonamidic fluoride | 2387495-99-8 | — |
 |
CCCCCCCCCCN(CCCCCCCCCC)C(CCCCCCCCC)=N[P](F)(=O)CCCCCCCCCC | InChI=1/C40H82FN2OP/c1-5-9-13-17-21-25-29-33-37-43(38-34-30-26-22-18-14-10-6-2)40(36-32-28-24-20-16-12-8-4)42-45(41,44)39-35-31-27-23-19-15-11-7-3/h5-39H2,1-4H3 | — |
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| Novichok agents | CWC 1A13 Example 2 | Methyl-(1-(diethylamino)ethylidene)phosphonamidofluoridate | 2387496-12-8 | — |
 |
CCN(CC)C(C)=N[P](C)(F)=O | InChI=1/C7H16FN2OP/c1-5-10(6-2)7(3)9-12(4,8)11/h5-6H2,1-4H3 | — |
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| Novichok agents | CWC 1A14 | O-alkyl (H or ≤C10, incl. cycloalkyl) N-(1-(dialkyl(≤C10, incl. cycloalkyl)amino))alkylidene(H or ≤C10, incl. cycloalkyl) phosphoramidofluoridates and corresponding alkylated or protonated salts | CR0005 | — |  |
— | — | — | — |
| Novichok agents | CWC 1A14 Example 1 | O-n-Decyl N-(1-(di-n-decylamino)-n-decylidene)phosphoramidofluoridate | 2387496-00-4 | — |
 |
CCCCCCCCCCO[P](F)(=O)N=C(CCCCCCCCC)N(CCCCCCCCCC)CCCCCCCCCC | InChI=1/C40H82FN2O2P/c1-5-9-13-17-21-25-29-33-37-43(38-34-30-26-22-18-14-10-6-2)40(36-32-28-24-20-16-12-8-4)42-46(41,44)45-39-35-31-27-23-19-15-11-7-3/h5-39H2,1-4H3 | — |
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| Novichok agents | CWC 1A14 Example 2 | Methyl-(1-(diethylamino)ethylidene)phosphoramidofluoridate | 2387496-04-8 | — |
 |
CCN(CC)C(CC)=N[P]([O-])(F)=O | InChI=1/C7H16FN2O2P/c1-4-7(9-13(8,11)12)10(5-2)6-3/h4-6H2,1-3H3,(H,11,12)/p-1/fC7H15FN2O2P/q-1 | — |
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| Novichok agents | CWC 1A14 Example 3 | Ethyl-(1-(diethylamino)ethylidene)phosphoramidofluoridate | 2387496-06-0 | — |
 |
CCCC(=N[P]([O-])(F)=O)N(CC)CC | InChI=1/C8H18FN2O2P/c1-4-7-8(10-14(9,12)13)11(5-2)6-3/h4-7H2,1-3H3,(H,12,13)/p-1/fC8H17FN2O2P/q-1 | — |
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| Novichok agents | CWC 1A15 | Methyl-(bis(diethylamino)methylene)phosphonamidofluoridate | 2387496-14-0 | — |
 |
CCN(CC)C(=N[P](C)(F)=O)N(CC)CC | InChI=1/C10H23FN3OP/c1-6-13(7-2)10(12-16(5,11)15)14(8-3)9-4/h6-9H2,1-5H3 | — |
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| Carbamates (quaternaries of dimethylcarbamoyloxypyridines) | CWC 1A16-1 | 1-[N,N-dialkyl(≤C10)-N-(n-(hydroxyl, cyano, acetoxy)alkyl(≤C10)) ammonio]-n-[N- (3-dimethylcarbamoxy-α-picolinyl)-N,N-dialkyl(≤C10) ammonio]decane dibromide (n=1-8) | CR0006 | — |  |
— | — | — | — |
| Carbamates (quaternaries of dimethylcarbamoyloxypyridines) | CWC 1A16-1 Example 1 | 1-[N,N-dimethyl-N-(2-hydroxy)ethylammonio]-10-[N-(3-dimethylcarbamoxy- α-picolinyl)-N,N-dimethylammonio]decane dibromide | 77104-62-2 | — |
 |
[Br-].[Br-].CN(C)C(=O)Oc1cccnc1C[N+](C)(C)CCCCCCCCCC[N+](C)(C)CCO | InChI=1/C25H48N4O3.2BrH/c1-27(2)25(31)32-24-16-15-17-26-23(24)22-29(5,6)19-14-12-10-8-7-9-11-13-18-28(3,4)20-21-30;;/h15-17,30H,7-14,18-22H2,1-6H3;2*1H/q+2;;/p-2/fC25H48N4O3.2Br/h;2*1h/qm;2*-1 | — |
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| Carbamates (bisquaternaries of dimethylcarbamoyloxypyridines) | CWC 1A16-2 | 1,n-Bis[N-(3-dimethylcarbamoxy-α-picolyl)-N,N-dialkyl((≤C10) ammonio]-alkane- (2,(n-1)-dione) dibromide (n=2-12) | CR0007 | — |  |
— | — | — | — |
| Carbamates (bisquaternaries of dimethylcarbamoyloxypyridines) | CWC 1A16-2 Example 1 | 1,10-Bis[N-(3-dimethylcarbamoxy-α-picolyl)-N-ethyl-N-methylammonio]decane-2,9- dione dibromide | 77104-00-8 | — |
 |
[Br-].[Br-].CC[N+](C)(CC(=O)CCCCCCC(=O)C[N+](C)(CC)Cc1ncccc1OC(=O)N(C)C)Cc2ncccc2OC(=O)N(C)C | InChI=1/C34H54N6O6.2BrH/c1-9-39(7,25-29-31(19-15-21-35-29)45-33(43)37(3)4)23-27(41)17-13-11-12-14-18-28(42)24-40(8,10-2)26-30-32(20-16-22-36-30)46-34(44)38(5)6;;/h15-16,19-22H,9-14,17-18,23-26H2,1-8H3;2*1H/q+2;;/p-2/fC34H54N6O6.2Br/h;2*1h/qm;2*-1 | — |
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| Precursors | CWC 1B9 | Alkyl (Me, Et, n-Pr or i-Pr) phosphonyldifluorides | CR0008 | — |  |
— | — | AG 4, 23 WA ML7 c.1 |
— |
| Precursors | CWC 1B9 Example 1 | DF: Methylphosphonyldifluoride | 676-99-3 | 69610 |
 |
C[P](F)(F)=O | InChI=1S/CH3F2OP/c1-5(2,3)4/h1H3 | AG 4 WA ML7 c.1 Example 1 |
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| Precursors | CWC 1B10 | O-Alkyl (H or <=C10, incl. cycloalkyl) O-2-dalkyl (Me, Et, n-Pr or i-Pr)-aminoethyl alkyl (Me, Et, n-Pr or i-Pr) phosphonites and corresponding alkylated or protonated salts | CR0009 | — |  |
— | — | AG 29 WA ML7 c.2 |
— |
| Precursors | CWC 1B10 Example 1 | QL: O-Ethyl O-2-diisopropylaminoethyl methylphosphonite | 57856-11-8 | 170325 |
 |
CCOP(C)OCCN(C(C)C)C(C)C | InChI=1S/C11H26NO2P/c1-7-13-15(6)14-9-8-12(10(2)3)11(4)5/h10-11H,7-9H2,1-6H3 | AG 29 WA ML7 c.2 Example 1 |
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| Precursors | CWC 1B11 | Chlorosarin: O-Isopropyl methylphosphonochloridate | 1445-76-7 | 102124 |
 |
CC(C)O[P](C)(Cl)=O | InChI=1S/C4H10ClO2P/c1-4(2)7-8(3,5)6/h4H,1-3H3 | WA ML7 c.3 |
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| Precursors | CWC 1B12 | Chlorosoman: O-Pinacolyl methylphosphonochloridate | 7040-57-5 | 145983 |
 |
CC(O[P](C)(Cl)=O)C(C)(C)C | InChI=1S/C7H16ClO2P/c1-6(7(2,3)4)10-11(5,8)9/h6H,1-5H3 | WA ML7 c.4 |
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| Nerve agents | CWC 2A1 | Amiton: O,O-Diethyl S-[2-(diethylamino)ethyl] phosphorothiolate | 78-53-5 | 6542 |
 |
CCO[P](=O)(OCC)SCCN(CC)CC.OC(=O)C(O)=O | InChI=1S/C10H24NO3PS/c1-5-11(6-2)9-10-16-15(12,13-7-3)14-8-4/h5-10H2,1-4H3 | — |
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| Choking agents | CWC 2A2 | PFIB: 1,1,3,3,3-Pentafluoro-2-(trifluoromethyl)-1-propene | 382-21-8 | 61109 |
 |
FC(F)=C(C(F)(F)F)C(F)(F)F | InChI=1S/C4F8/c5-2(6)1(3(7,8)9)4(10,11)12 | — |
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| Central incapacitants | CWC 2A3 | BZ: 3-Quinuclidinyl benzilate (*) | 6581-06-2 | 23056 |
 |
OC(C(=O)OC1CN2CCC1CC2)(c3ccccc3)c4ccccc4 | InChI=1S/C21H23NO3/c23-20(25-19-15-22-13-11-16(19)12-14-22)21(24,17-7-3-1-4-8-17)18-9-5-2-6-10-18/h1-10,16,19,24H,11-15H2 | WA ML7 b.3.a |
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| Precursors | CWC 2B4 | Chemicals, except for those listed in Schedule 1, containing a phosphorus atom to which is bonded one methyl, ethyl or propyl (normal or iso) group but not further carbon atoms | CR0010 | — |  |
— | — | AG 3, 5, 17, 21, 22, 26, 33, 34, 35, 36, 55, 56, 63 | — |
| Precursors | CWC 2B4 Example 1 | Methylphosphonyl dichloride | 676-97-1 | 12671 |
 |
C[P](Cl)(Cl)=O | InChI=1S/CH3Cl2OP/c1-5(2,3)4/h1H3 | AG 5 |
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| Precursors | CWC 2B4 Example 2 | Dimethyl methylphosphonate | 756-79-6 | 12958 |
 |
CO[P](C)(=O)OC | InChI=1S/C3H9O3P/c1-5-7(3,4)6-2/h1-3H3 | AG 3 |
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| Exceptions | CWC 2B4 Exception 1 | O-Ethyl S-phenyl ethylphosphonothiolothionate | 944-22-9 | 13676 |
 |
CCO[P](=S)(CC)Sc1ccccc1 | InChI=1S/C10H15OPS2/c1-3-11-12(13,4-2)14-10-8-6-5-7-9-10/h5-9H,3-4H2,1-2H3 | — |
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| Precursors | CWC 2B5 | N,N-Dialkyl (Me, Et, n-Pr or i-Pr) phosphoramidic dihalides | CR0011 | — |  |
— | — | AG 57 | — |
| Precursors | CWC 2B6 | Dialkyl (Me, Et, n-Pr or i-Pr) N,N-dialkyl (Me, Et, n-Pr or i-Pr)-phosphoramidates | CR0008 | — |  |
— | — | AG 18 | — |
| Precursors | CWC 2B7 | Arsenic trichloride | 7784-34-1 | 24570 |
 |
Cl[As](Cl)Cl | InChI=1S/AsCl3/c2-1(3)4 | AG 31 |
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| Precursors | CWC 2B8 | 2,2-Diphenyl-2-hydroxyacetic acid | 76-93-7 | 6463 |
 |
OC(=O)C(O)(c1ccccc1)c2ccccc2 | InChI=1S/C14H12O3/c15-13(16)14(17,11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10,17H,(H,15,16) | AG 32 |
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| Precursors | CWC 2B9 | Quinuclidin-3-ol | 1619-34-7 | 15381 |
 |
OC1CN2CCC1CC2 | InChI=1S/C7H13NO/c9-7-5-8-3-1-6(7)2-4-8/h6-7,9H,1-5H2 | AG 13 |
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| Precursors | CWC 2B10 | N,N-Dialkyl (Me, Et, n-Pr or i-Pr) aminoethyl-2-chlorides and corresponding protonated salts | CR0012 | — |  |
— | — | AG 11, 54 | — |
| Precursors | CWC 2B11 | N,N-Dialkyl (Me, Et, n-Pr or i-Pr) aminoethane-2-ols and corresponding protonated salts | CR0013 | — |  |
— | — | AG 27 | — |
| Exceptions | CWC 2B11 Exception 1 | N,N-Dimethylaminoethanol and corresponding protonated salts | 108-01-0 | 7902 |
 |
CN(C)CCO | InChI=1S/C4H11NO/c1-5(2)3-4-6/h6H,3-4H2,1-2H3 | — |
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| Exceptions | CWC 2B11 Exception 1 | N,N-Diethylaminoethanol and corresponding protonated salts | 100-37-8 | 7497 |
|
CCN(CC)CCO | InChI=1S/C6H15NO/c1-3-7(4-2)5-6-8/h8H,3-6H2,1-2H3 | — |
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| Precursors | CWC 2B12 | N,N-Dialkyl (Me, Et, n-Pr or i-Pr) aminoethane-2-thiols and corresponding protonated salts | CR0014 | — |  |
— | — | AG 12, 65 | — |
| Precursors | CWC 2B13 | Thiodiglycol: Bis(2-hydroxyethyl)sulfide | 111-48-8 | 5447 |
 |
OCCSCCO | InChI=1S/C4H10O2S/c5-1-3-7-4-2-6/h5-6H,1-4H2 | AG 1 |
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| Precursors | CWC 2B14 | Pinacolyl alcohol: 3,3-Dimethylbutan-2-ol | 464-07-3 | 10045 |
 |
CC(O)C(C)(C)C | InChI=1S/C6H14O/c1-5(7)6(2,3)4/h5,7H,1-4H3 | AG 28 |
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| Choking agents | CWC 3A1 | Phosgene: Carbonyl dichloride | 75-44-5 | 6371 |
 |
ClC(Cl)=O | InChI=1S/CCl2O/c2-1(3)4 | — |
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| Blood agents | CWC 3A2 | Cyanogen chloride | 506-77-4 | 10477 |
 |
ClC#N | InChI=1S/CClN/c2-1-3 | — |
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| Blood agents | CWC 3A3 | Hydrogen cyanide | 74-90-8 | 768 |
 |
C#N | InChI=1S/CHN/c1-2/h1H | — |
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| Choking agents | CWC 3A4 | Chloropicrin: Trichloronitromethane | 76-06-2 | 6423 |
 |
[O-][N+](=O)C(Cl)(Cl)Cl | InChI=1S/CCl3NO2/c2-1(3,4)5(6)7 | — |
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| Precursors | CWC 3B5 | Phosphorus oxychloride | 10025-87-3 | 24813 |
 |
Cl[P](Cl)(Cl)=O | InChI=1S/Cl3OP/c1-5(2,3)4 | AG 2 |
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| Precursors | CWC 3B6 | Phosphorus trichloride | 7719-12-2 | 24387 |
 |
ClP(Cl)Cl | InChI=1S/Cl3P/c1-4(2)3 | AG 7 |
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| Precursors | CWC 3B7 | Phosphorus pentachloride | 10026-13-8 | 24819 |
 |
Cl[P](Cl)(Cl)(Cl)Cl | InChI=1S/Cl5P/c1-6(2,3,4)5 | AG 38 |
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| Precursors | CWC 3B8 | Trimethyl phosphite | 121-45-9 | 8472 |
 |
COP(OC)OC | InChI=1S/C3H9O3P/c1-4-7(5-2)6-3/h1-3H3 | AG 8 |
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| Precursors | CWC 3B9 | Triethyl phosphite | 122-52-1 | 31215 |
 |
CCOP(OCC)OCC | InChI=1S/C6H15O3P/c1-4-7-10(8-5-2)9-6-3/h4-6H2,1-3H3 | AG 30 |
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| Precursors | CWC 3B10 | Dimethyl phosphite | 868-85-9 | 6327114 |
 |
CO[P+](=O)OC | InChI=1S/C2H6O3P/c1-4-6(3)5-2/h1-2H3/q+1 | AG 6 |
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| Precursors | CWC 3B11 | Diethyl phosphite | 762-04-9 | 6327654 |
 |
CCO[P+](=O)OCC | InChI=1S/C4H10O3P/c1-3-6-8(5)7-4-2/h3-4H2,1-2H3/q+1 | AG 19 |
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| Precursors | CWC 3B12 | Sulfur monochloride | 10025-67-9 | 24807 |
 |
ClSSCl | InChI=1S/Cl2S2/c1-3-4-2 | AG 51 |
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| Precursors | CWC 3B13 | Sulfur dichloride | 10545-99-0 | 25353 |
 |
ClSCl | InChI=1S/Cl2S/c1-3-2 | AG 52 |
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| Precursors | CWC 3B14 | Thionyl chloride | 7719-09-7 | 24386 |
 |
Cl[S](Cl)=O | InChI=1S/Cl2OS/c1-4(2)3 | AG 9 |
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| Precursors | CWC 3B15 | Ethyldiethanolamine | 139-87-7 | 8769 |
 |
CC[NH+](CCO)CCO | InChI=1S/C6H15NO2/c1-2-7(3-5-8)4-6-9/h8-9H,2-6H2,1H3 | AG 59 |
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| Precursors | CWC 3B16 | Methyldiethanolamine | 105-59-9 | 7767 |
 |
CN(CCO)CCO | InChI=1S/C5H13NO2/c1-6(2-4-7)3-5-8/h7-8H,2-5H2,1H3 | — |
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| Precursors | CWC 3B17 | Triethanolamine | 102-71-6 | 7618 |
 |
OCCN(CCO)CCO | InChI=1S/C6H15NO3/c8-4-1-7(2-5-9)3-6-10/h8-10H,1-6H2 | AG 46 |
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