V2876
Vitamine B12
≥98%
Synonyme(s) :
α-(5,6-Diméthylbenzimidazolyl)cyanocobamide, CN-Cbl, Cyanocob(III)alamine, Cyanocobalamine
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Nom du produit
Vitamine B12, ≥98%
InChI key
RMRCNWBMXRMIRW-QJRSUKKJSA-L
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
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@
assay
≥98%
form
powder
technique(s)
HPLC: suitable
color
red to brown
storage temp.
2-8°C
Quality Level
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Application
- comme composant d′une solution de mélange de vitamines dans un modèle intestinal in vitro
- comme étalon dans la spectrométrie de masse à plasma à couplage inductif d′exclusion stérique (SEC-ICP-MS, exclusion inductively coupled plasma mass spectroscopy)
- comme composant d′un mélange simulé de protéines plasmatiques pour l′analyse par spectroscopie Raman
- dans l′analyse de résonance des plasmons de surface (SPR, surface plasmon resonance)
- comme complément de milieu pour les myocytes ventriculaires de rat néonatal (NRVM)
Biochem/physiol Actions
Classe de stockage
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
How do I find price and availability?
There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 or view local office numbers.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
How should I store a solution of Vitamin B12, Product V2876?
Serum Vitamin B12 is highly unstable and should be protected from light and kept frozen. Cyanocobalamin is often used to supplement media. It has a maximal stability at pH = 7, but is photolysed to hydroxocobalamin with a zero-order rate constant.
Vitamin B12, Product V2876, is produced by fermentation. What bacteria is used to produce this product?
The bacterial source for this product is considered proprietary.
What can I use to make a solution of Vitamin B12, Product V2876?
The specification sheet for Product V2876 (available from the product page on the website) indicates that the product is soluble in water (50 mg/mL), yielding a dark red solution.
What is the Extinction Coefficient for Vitamin B12, Product V2876?
Extinction Coefficient: E1% = 64 (550 nm), 204 (361 nm), 115 (278 nm) in water. Extinction Coefficient: EmM = 27.5 (361 nm) in water.
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