Vitamin B12

• Catalog No.: A14894
• CAS Number: 68-19-9
• M. F.: C63H88CoN14O14P
• M. W.: 1355.365181
• Purity: 98+% (dry wt basis)

SYNONYMS

• Title: 维生素B12
• IUPAC name: cyano[(1R,2R,3R,4R,6Z,8S,11Z,13S,14S,16E,18S,19S)-8,13,18-tris(2-carbamoylethyl)-3,14,19-tris(carbamoylmethyl)-4-(2-{[(2R)-2-{[(2R,3S,4R)-5-(5,6-dimethyl-1H-1,3-benzodiazol-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl phosphonato]oxy}propyl]carbamoyl}ethyl)-1,4,6,9,9,14,16,19-octamethyl-20,21,22,23-tetraazapentacyclo[15.2.1.1^2,^5.1^7,^1^0.1^1^2,^1^5]tricosa-5(23),6,10(22),11,15(21),16-hexaen-20-yl]cobaltylium
• IUPAC Traditional name: cyano[(1R,2R,3R,4R,6Z,8S,11Z,13S,14S,16E,18S,19S)-8,13,18-tris(2-carbamoylethyl)-3,14,19-tris(carbamoylmethyl)-4-(2-{[(2R)-2-{[(2R,3S,4R)-5-(5,6-dimethyl-1,3-benzodiazol-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl phosphonato]oxy}propyl]carbamoyl}ethyl)-1,4,6,9,9,14,16,19-octamethyl-20,21,22,23-tetraazapentacyclo[15.2.1.1^2,^5.1^7,^1^0.1^1^2,^1^5]tricosa-5(23),6,10(22),11,15(21),16-hexaen-20-yl]cobaltylium
• Synonyms: Cyanocobalamine

DATABASE IDS

• CAS Number: 68-19-9
• Merck Index: 1410014
• MDL Number: MFCD00151092
• EC Number: 200-680-0
• Beilstein Number: 4122889

PROPERTIES

• Purity: 98+% (dry wt basis)
• RTECS: GG3750000
• Storage Warning: Hygroscopic
• TSCA Listed: 是

REFERENCES

• For review of biosynthesis, see: Angew. Chem. Int. Ed., 32, 1223 (1993).
• For monographs, see: B₁₂(2 vols), D. Dolphon, Ed., Wiley-Interscience, N.Y. (1982); B₁₂ and B₁₂-Proteins, B. Kraeutler, T Golding, Eds., Wiley-VCH, Weinheim (1998).
• For a review, see: Vitamins, W. Friedrich, Ed., de Gruyter, Berlin (1988), pp 837-928.