Cyanocobalamin EP Impurity A
[CAS# 23208-66-4]

Identification

• Name: Cyanocobalamin EP Impurity A
• Synonyms: 7beta,8beta-Lactocyanocobalamin;Cobalt(3+) (2R)-1-({3-[(1Z,4S,5S,6R,8R,9R,10Z,13S,15Z,18R,22R)-5,8-bis(2-amino-2-oxoethyl)-4,13,18-tris(3-amino-3-oxopropyl)-2,5,6,9,11,14,14,22-octamethyl-20-oxo-19-oxa-23,24,25,26-tetraazahexacyclo[ 15.5.1.13,6.17,10.112,15.018,22]hexacosa-1,3(26),10,12(24),15,17(23)-hexaen-25-id-9-yl]propanoyl}amino)-2-propanyl (2R,3S,4R,5S)-5-(5,6-dimethyl-1H-benzimidazol-1-yl)-4-hydroxy-2-(hydroxymethy l)tetrahydro-3-furanyl phosphate cyanide (1:1:1) (non-preferred name)
• Molecular Formula: C₆₃H₈₅CoN₁₃O₁₅P
• Molecular Weight: 1354.33
• CAS Registry Number: 23208-66-4
• SMILES: CC1=CC2=C(C=C1C)N(C=N2)[C@@H]3[C@@H]([C@@H]([C@H](O3)CO)OP(=O)([O-])O[C@H](C)CNC(=O)CC[C@@]\4([C@H](C5[C@]6([C@@]([C@@H](C(=N6)/C(=C\7/[C@]8(CC(=O)O[C@]8(C(=N7)/C=C\9/C([C@@H](C(=N9)/C(=C4\[N-]5)/C)CCC(=O)N)(C)C)CCC(=O)N)C)/C)CCC(=O)N)(C)CC(=O)N)C)CC(=O)N)C)O.[C-]#N.[Co+3]

Safety Data

• Hazard Symbols: GHS07 Warning
• Hazard Statements: H302+H312+H332-H315-H319
• Precautionary Statements: P261-P271-P280-P302+P352-P305+P351+P338