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Merck
모든 사진(1)

문서

47869

Supelco

Cyanocobalamin (B12)

analytical standard

동의어(들):

Vitamin B12, α-(5,6-Dimethylbenzimidazolyl)cyanocobamide, CN-Cbl, Cyanocob(III)alamin, Cyanocobalamin

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About This Item

실험식(Hill 표기법):
C63H88CoN14O14P
CAS Number:
Molecular Weight:
1355.37
Beilstein:
4122889
EC Number:
UNSPSC 코드:
12164500
PubChem Substance ID:

Grade

analytical standard

CofA

current certificate can be downloaded

포장

ampule of 100 mg

기술

HPLC: suitable
gas chromatography (GC): suitable

mp

>300 °C (decomposes before melting)

응용 분야

pharmaceutical (small molecule)
vitamins, nutraceuticals, and natural products

형식

neat

저장 온도

2-8°C

SMILES string

C/C(C1=N[C@]([C@]([C@H](CC(N)=O)[C@@]/2(C)CCC(NC[C@@H](OP([O-])(O[C@H]3[C@@H](O)[C@@H](N4C=[N]5C6=C4C=C(C)C(C)=C6)O[C@@H]3CO)=O)C)=O)([H])N([Co+]5C#N)C2=C(C)/C([C@@H](CCC(N)=O)C/7(C)C)=NC7=C/8)(C)[C@@](C)(CC(N)=O)[C@@H]1CCC(N)=O)=C9N=C8[C@@H](CCC(N)=O)[C@

InChI

1S/C62H90N13O14P.CN.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;1-2;/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;;+2/p-2/t31-,34-,35-,36-,37+,41-,52-,53-,56-,57?,59-,60+,61+,62+;;/m1../s1

InChI key

RMRCNWBMXRMIRW-QJRSUKKJSA-L

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관련 카테고리

일반 설명

Cyanocobalamin (B12) is a water soluble vitamin, which belongs to the B12 class of vitamins, commonly called as cobalamins.(1) It is mainly found in animal products such as dairy products, meat and also eggs. It can find applications in the preparation of multivitamin supplements and fortified food. It works as a coenzyme to convert L-methylmalonyl CoA to succinyl CoA, which is catalyzed by isomerase.

애플리케이션

Cyanocobalamin (B12) may be used as an analytical reference standard for the determination of the analyte in pharmaceutical formulations and food products by various chromatography techniques.
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

추천 제품

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

개인 보호 장비

Eyeshields, Gloves, type N95 (US)


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문서 라이브러리 방문

Shreemathy V and Dandekar PS
Nutrition and Biochemistry for Nurses, (2) (2015)
Cyanocobalamin
European Pharmacopoeia Commission and European Directorate for the Quality of Medicines & Healthcare
European pharmacopoeia, 20(3), 2178-2179 (2014)
Determination of cyanocobalamin by isotope dilution LC-MS/MS
D-Ulivo L, et al.
Analytica Chimica Acta (2017)
A rapid determination of the relative purity of vitamin B12 (Cyanocobalamin) in pharmaceutical products
Bruening CF, et al.
Journal of the American Pharmaceutical Association, 47(1), 15-20 (1958)
O Heudi et al.
Journal of chromatography. A, 1101(1-2), 63-68 (2005-10-12)
A new, faster and simple method to quantify Vitamin B12, both in foods and in premixes, by reversed-phase liquid chromatography with UV detection has been developed. Vitamin B12 was extracted from food products with 50 mM sodium acetate buffer pH

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