CWC Schedule 3
Substances regulated under CWC Schedule 3. Select a CAS number to view the compound and its full regulatory status.
Controlled substances
Substances on this list are tightly controlled under chemical-weapons or precursor regulations. ChemAbout does not facilitate their procurement; this page is a compliance reference only.
About this list
Schedule 3 of the Chemical Weapons Convention covers chemicals that can be used to produce chemical weapons but are also manufactured in large quantities for legitimate industrial purposes — such as phosgene, hydrogen cyanide and triethanolamine. They are subject to declaration thresholds and OPCW oversight.
- Maintained by:
- Organisation for the Prohibition of Chemical Weapons (OPCW)
- Last reviewed:
| Substance | CAS | Status | Listed since |
|---|---|---|---|
| Chloropicrin↗ | 76-06-2 | Listed | — |
| Cyanogen chloride↗ | 506-77-4 | Listed | — |
| Diethyl phosphite↗ | 762-04-9 | Listed | — |
| Dimethyl phosphite↗ | 868-85-9 | Listed | — |
| Ethyldiethanolamine↗ | 139-87-7 | Listed | — |
| Hydrogen cyanide↗ | 74-90-8 | Listed | — |
| Methyldiethanolamine↗ | 105-59-9 | Listed | — |
| Phosgene↗ | 75-44-5 | Listed | — |
| Phosphorus oxychloride↗ | 10025-87-3 | Listed | — |
| Phosphorus pentachloride↗ | 10026-13-8 | Listed | — |
| Phosphorus trichloride↗ | 7719-12-2 | Listed | — |
| Sulfur dichloride↗ | 10545-99-0 | Listed | — |
| Sulfur monochloride↗ | 10025-67-9 | Listed | — |
| Thionyl chloride↗ | 7719-09-7 | Listed | — |
| Triethanolamine↗ | 102-71-6 | Listed | — |
| Triethyl phosphite↗ | 122-52-1 | Listed | — |
| Trimethyl phosphite↗ | 121-45-9 | Listed | — |
ChemAbout is a discovery platform and does not facilitate transactions in controlled substances. Regulatory data is provided for reference and may not reflect the latest amendments — always consult the official source.