中文名稱:維生素B12
中文同義詞:Α-5,6-二甲基-苯并咪唑氰鈷胺;氰鉆胺素;維生素B12,氰鈷胺;維生素B12/氰鈷胺素/鈷胺素;維生素B12 
英文名稱:VitaminB12
英文同義詞:hemomin;hepacon-b12;hepagon;hepavis;hepcovite;lactobacilluslactisdornerfactor;lldfactor;macrabin
CAS號(hào):68-19-9
分子式:C63H88CoN14O14P
分子量:1355.37
EINECS號(hào):200-680-0
熔點(diǎn)>300°C
比旋光度23656-59±9°(dilaqsoln)
沸點(diǎn)>300°C
閃點(diǎn)9℃
儲(chǔ)存條件2-8°C
酸度系數(shù)(pKa)pKa3.28±0.04(H2O,D2Ot=23±0.5Iunspeci?ed)(Uncertain)
形態(tài)CrystallinePowderorCrystals
顏色Redtodarkred