| | Identification | Back Directory |  | [Name] 
 Thiamine Impurity 18
 |  | [CAS] 
 105070-51-7
 |  | [Synonyms] 
 Thiamine Impurity 18
 Thiamine Impurity 3 (Neothiamin Disulfide)
 3-Penten-1-ol, 3,3'-dithiobis[4-(7-methylpyrimido[4,5-d]pyrimidin-3(4H)-yl)- (7CI,9CI)
 |  | [Molecular Formula] 
 C24H30N8O2S2
 |  | [Molecular Weight] 
 526.68
 | 
 |  |