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Cyanocobalamin Impurity D

Picture of Cyanocobalamin Impurity D
SZ CAT No SZ-C054010
CAS No 121483-62-3
Mol.F. C63H87CoN13O15P
Mol.Wt. 1356.37
Inv. Status In Stock


Chemical Name: Coα-[α-(5,6-dimethylbenzimidazolyl)]-Coβ-cyanocobamic a,c,d,e,g-pentaamide b-acid

Synonym: 32-carboxycyanocobalamin

Pharmaceutical Reference Standards

Cyanocobalamin Impurity B

Picture of Cyanocobalamin Impurity B
CAT No: SZ-C054011
CAS No: 26264-28-8
Mol.F. : C63H87CoN13O15P
Mol.Wt. : 1356.37
Inv. Status: In Stock
SZ-C054011
CAS No:26264-28-8
Mol.F.: C63H87CoN13O15P
Mol.Wt.: 1356.37
Inv. Status: In Stock

A Rapid Determination of the Relative Purity of Vitamin B12 (Cyanocobalamin) in Pharmaceutical Products

C.F.BrueningW.L.HallO.L.Kline

Journal of Pharmaceutical Sciences Volume 50, Issue 6, June 1961, Pages 537-538

Nitrite Impurities Are Responsible for the Reaction Observed between Vitamin B12 and Nitric Oxide in Acidic Aqueous Solution

Federico Roncaroli, Tatyana E. Shubina, Timothy Clark, and Rudi van Eldik

Inorg. Chem. 2006, 45, 7869−7876

Synthesis, Properties and Microbiological Activity of Hydrophobic Derivatives of Vitamin B12

Yusuke TAKAHATA, Ari NISHIZAWA, Ichiro KOJIMA,1 Mamoru YAMANISHI, and Tetsuo TORAYA*

J. Nutr. Sci. Vitaminol., 41, 515-526, 1995

Analysis of the crystallization process of a biopharmaceutical compound in the presence of impurities using process analytical technology (PAT) tools

Elena Simone,a Wei Zhangb,c and Zoltan K Nagya

J Chem Technol Biotechnol 2016; 91: 1461–1470

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Pharmaceutical Reference Standards

Cyanocobalamin

Picture of Cyanocobalamin
CAT No: SZ-C054001
CAS No: 68-19-9
Mol.F. : C63H88CoN14O14P
Mol.Wt. : 1355.4
Inv. Status: In Stock
SZ-C054001
CAS No:68-19-9
Mol.F.: C63H88CoN14O14P
Mol.Wt.: 1355.4
Inv. Status: In Stock

Cyanocobalamin Impurity 1

Picture of Cyanocobalamin Impurity 1
CAT No: SZ-C054002
CAS No: N/A
Mol.F. : C66H94CoN14O16P
Mol.Wt. : 1429.48
Inv. Status: Custom Synthesis
SZ-C054002
CAS No:N/A
Mol.F.: C66H94CoN14O16P 
Mol.Wt.: 1429.48
Inv. Status: Custom Synthesis

Cyanocobalamin Impurity 2

Picture of Cyanocobalamin Impurity 2
CAT No: SZ-C054003
CAS No: N/A
Mol.F. : C63H87CoN14O14P
Mol.Wt. : 1354.38
Inv. Status: Custom Synthesis
SZ-C054003
CAS No:N/A
Mol.F.: C63H87CoN14O14P
Mol.Wt.: 1354.38
Inv. Status: Custom Synthesis

Cyanocobalamin Impurity 3

Picture of Cyanocobalamin Impurity 3
CAT No: SZ-C054004
CAS No: N/A
Mol.F. : C63H89CoN14O15P
Mol.Wt. : 1372.39
Inv. Status: Custom Synthesis
SZ-C054004
CAS No:N/A
Mol.F.: C63H89CoN14O15P
Mol.Wt.: 1372.39
Inv. Status: Custom Synthesis

Vitamin B-12 C-Lactam

Picture of Vitamin B-12 C-Lactam
CAT No: SZ-C054005
CAS No: 23388-02-5
Mol.F. : C63H86CoN14O14P
Mol.Wt. : 1353.4
Inv. Status: Custom Synthesis
SZ-C054005
CAS No:23388-02-5
Mol.F.: C63H86CoN14O14P
Mol.Wt.: 1353.4
Inv. Status: Custom Synthesis

Cyanocobalamin Impurity 4

Picture of Cyanocobalamin Impurity 4
CAT No: SZ-C054006
CAS No: N/A
Mol.F. : C62H89CoN14O14P
Mol.Wt. : 1344.38
Inv. Status: Custom Synthesis
SZ-C054006
CAS No:N/A
Mol.F.: C62H89CoN14O14P
Mol.Wt.: 1344.38
Inv. Status: Custom Synthesis

Cyanocobalamin Impurity A

Picture of Cyanocobalamin Impurity A
CAT No: SZ-C054007
CAS No: 23208-66-4
Mol.F. : C63H85CoN13O15P
Mol.Wt. : 1354.36
Inv. Status: In Stock
SZ-C054007
CAS No:23208-66-4
Mol.F.: C63H85CoN13O15P
Mol.Wt.: 1354.36
Inv. Status: In Stock

Cyanocobalamin Impurity C

Picture of Cyanocobalamin Impurity C
CAT No: SZ-C054008
CAS No: 38218-51-8
Mol.F. : C64H90CoN14O14P
Mol.Wt. : 1369.41
Inv. Status: In Stock
SZ-C054008
CAS No:38218-51-8
Mol.F.: C64H90CoN14O14P
Mol.Wt.: 1369.41
Inv. Status: In Stock

Cyanocobalamin Impurity E

Picture of Cyanocobalamin Impurity E
CAT No: SZ-C054009
CAS No: 41325-63-7
Mol.F. : C63H88CoN14O14P
Mol.Wt. : 1355.4
Inv. Status: In Stock
SZ-C054009
CAS No:41325-63-7
Mol.F.: C63H88CoN14O14P
Mol.Wt.: 1355.4
Inv. Status: In Stock

Cyanocobalamin Impurity D

Picture of Cyanocobalamin Impurity D
CAT No: SZ-C054010
CAS No: 121483-62-3
Mol.F. : C63H87CoN13O15P
Mol.Wt. : 1356.37
Inv. Status: In Stock
SZ-C054010
CAS No:121483-62-3
Mol.F.: C63H87CoN13O15P
Mol.Wt.: 1356.37
Inv. Status: In Stock

Cyanocobalamin Impurity B

Picture of Cyanocobalamin Impurity B
CAT No: SZ-C054011
CAS No: 26264-28-8
Mol.F. : C63H87CoN13O15P
Mol.Wt. : 1356.37
Inv. Status: In Stock
SZ-C054011
CAS No:26264-28-8
Mol.F.: C63H87CoN13O15P
Mol.Wt.: 1356.37
Inv. Status: In Stock

Cyanocobalamin EP Impurity G

Picture of Cyanocobalamin EP Impurity G
CAT No: SZ-C054012
CAS No: NA
Mol.F. : C64H90CoN14O14P
Mol.Wt. : 1369.4
Inv. Status: Custom Synthesis
SZ-C054012
CAS No:NA
Mol.F.: C64H90CoN14O14P
Mol.Wt.: 1369.4
Inv. Status: Custom Synthesis

Cyanocobalamin EP Impurity H

Picture of Cyanocobalamin EP Impurity H
CAT No: SZ-C054013
CAS No: NA
Mol.F. : C62H89CoN13O15P
Mol.Wt. : 1346.4
Inv. Status: Custom Synthesis
SZ-C054013
CAS No:NA
Mol.F.: C62H89CoN13O15P
Mol.Wt.: 1346.4
Inv. Status: Custom Synthesis