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CAS No 14463-33-3 , Vitamin B12-Co(II)

  • Name: Vitamin B12-Co(II)
  • Synonyms: Vitamin B12-Co(II); Cobinamide-Co(1+), dihydrogenphosphate (ester), inner salt, 3'-ester with 5,6-dimethyl-1-a-D-ribofuranosyl-1H-benzimidazole;Reduced vitamin B12; B12r; BA 2723; 1H-Benzimidazole, 5,6-dimethyl-1-(3-O-phosphono-a-D-ribofuranosyl)-, monoesterwith cobinamide-Co(II), inner salt;Cob(2)alamin;VitaminB12r (7CI); Cob(II)alamin; Co(I)-Cobalamine;
  • CAS Registry Number:
  • Molecular Weight: 0
  • InChI: InChI=1/C62H90N13O14P.Co/c1-29-20-39-40(21-30(29)2)75(28-70-39)57-52(84)53(41(27-76)87-57)89-90(85,86)88-31(3)26-69-49(83)18-19-59(8)37(22-46(66)80)56-62(11)61(10,25-48(68)82)36(14-17-45(65)79)51(74-62)33(5)55-60(9,24-47(67)81)34(12-15-43(63)77)38(71-55)23-42-58(6,7)35(13-16-44(64)78)50(72-42)32(4)54(59)73-56;/h20-21,23,28,31,34-37,41,52-53,56-57,76,84H,12-19,22,24-27H2,1-11H3,(H15,63,64,65,66,67,68,69,71,72,73,74,77,78,79,80,81,82,83,85,86);/q;+3/p-1/t31?,34-,35-,36-,37+,41+,52?,53?,56?,57+,59-,60+,61+,62+;/m1./s1
  • Molecular Formula: C62H88 Co N13 O14 P
  • Molecular Structure:CAS No:14463-33-3 Vitamin B12-Co(II)

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14463-33-3 Vitamin B12-Co(II)

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14463-33-3 COBINAMIDE,CO-(CYANO-KC)-,DIHYDROGEN PHOSPHONATE ( ESTER),INNER SALT,3''- ESTER WITH (1-R-D-RIBOFURANOSYL-1H-BENZO[D]IMIDAZOLE-KN3)

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References of Vitamin B12-Co(II)
Title: Vitamin B12r
CAS Registry Number: 14463-33-3
CAS Name: Vitamin B12-Co(II)
Synonyms: cob(II)alamin; 5,6-dimethyl-1-(3-O-phosphono-a-D-ribofuranosyl)-1H-benzimidazole monoester with cobinamide-Co(II) inner salt
Molecular Formula: C62H88CoN13O14P
Molecular Weight: 1329.35
Percent Composition: C 56.02%, H 6.67%, Co 4.43%, N 13.70%, O 16.85%, P 2.33%
Literature References: A one-electron reduction product of vitamin B12 containing a divalent cobalt atom. Undergoes a further one-electron reduction to vitamin B12s. Prepn: H. Diehl, R. Murie, Iowa State Coll. J. Sci. 26, 555 (1952); R. O. Brady, H. A. Barker, Biochem. Biophys. Res. Commun. 4, 373 (1961); H.-U. Blaser, J. Halpern, J. Am. Chem. Soc. 102, 1684 (1980). Crystal structure: B. Kr?utler et al., ibid. 111, 8936 (1989). Valence of reduced forms of B12: H. A. O. Hill et al., Chem. Ind. (London) 1964, 197. Review of chemistry of B12r, B12s and analogs: R. Bonnett, Chem. Rev. 63, 573-605 (1963); of prepns: D. Dolphin, Methods Enzymol. 18, (Pt. C), 34-52 (1971). Role in enzymatic reactions: J. M. Pratt, Pure Appl. Chem. 65, 1513 (1993).
Properties: Dark brown amorphous solid. Oxidized by air to aquocobalamin. Absorption max (H2O): 474, 404, 312, 289, 260 nm (log e 3.99, 3.88, 4.46, 4.29, 4.25).
Absorption maximum: Absorption max (H2O): 474, 404, 312, 289, 260 nm (log e 3.99, 3.88, 4.46, 4.29, 4.25)
 
Derivative Type: Vitamin B12s
CAS Registry Number: 18534-66-2
CAS Name: Cobinamide-Co(I) dihydrogen phosphate (ester) 3¢-ester with 5,6-dimethyl-1-a-D-ribofuranosyl-1H-benzimidazole
Synonyms: cob(I)alamin; hydridocobalamin
Molecular Formula: C62H89CoN13O14P
Molecular Weight: 1330.36
Percent Composition: C 55.97%, H 6.74%, Co 4.43%, N 13.69%, O 16.84%, P 2.33%
Properties: Obtained as a gray-green product in solution.