Schedule 1

A. Toxic chemicals

    (CAS Registry number)
(1) O-Alkyl (<=C10, incl. cycloalkyl) alkyl (Me, Et, n-Pr or i-Pr)-phosphonofluoridates  
e.g. Sarin: O-Isopropyl methylphosphonofluoridate (107-44-8)
Soman: O-Pinacolyl methylphosphonofluoridate (96-64-0)
(2) O-Alkyl (<=C10, incl. cycloalkyl) N,N-dialkyl (Me, Et, n-Pr or i-Pr) phosphoramidocyanidates  
e.g. Tabun: O-Ethyl N,N-dimethyl phosphoramidocyanidate (77-81-6)
(3) 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  
e.g. VX: O-Ethyl S-2-diisopropylaminoethyl methyl phosphonothiolate (50782-69-9)
(4) Sulfur mustards:  
  2-Chloroethylchloromethylsulfide (2625-76-5)
  Mustard gas: Bis(2-chloroethyl)sulfide (505-60-2)
  Bis(2-chloroethylthio)methane (63869-13-6)
  Sesquimustard: 1,2-Bis(2-chloroethylthio)ethane (3563-36-8)
  1,3-Bis(2-chloroethylthio)-n-propane (63905-10-2)
  1,4-Bis(2-chloroethylthio)-n-butane (142868-93-7)
  1,5-Bis(2-chloroethylthio)-n-pentane (142868-94-8)
  Bis(2-chloroethylthiomethyl)ether (63918-90-1)
  O-Mustard: Bis(2-chloroethylthioethyl)ether (63918-89-8)
(5) Lewisites:  
  Lewisite 1: 2-Chlorovinyldichloroarsine (541-25-3)
  Lewisite 2: Bis(2-chlorovinyl)chloroarsine (40334-69-8)
  Lewisite 3: Tris(2-chlorovinyl)arsine (40334-70-1)
(6) Nitrogen mustards:  
  HN1: Bis(2-chloroethyl)ethylamine (538-07-8)
  HN2: Bis(2-chloroethyl)methylamine (51-75-2)
  HN3: Tris(2-chloroethyl)amine (555-77-1)
(7) Saxitoxin (35523-89-8)
(8) Ricin (9009-86-3)

B. Precursors

    (CAS Registry number)
(9) Alkyl (Me, Et, n-Pr or i-Pr) phosphonyldifluorides  
e.g. DF: Methylphosphonyldifluoride (676-99-3)
(10) 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  
e.g. QL: O-Ethyl O-2-diisopropylaminoethyl methylphosphonite (57856-11-8)
(11) Chlorosarin: O-Isopropyl methylphosphonochloridate (1445-76-7)
(12) Chlorosoman: O-Pinacolyl methylphosphonochloridate (7040-57-5)