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Merck

C3607

Vitamina B12

meets USP testing specifications

Sinónimos:

α-(5,6-Dimetilbencimidazolil)cianocobamida, CN-Cbl, Cianocob(III)alamina, Cianocobalamina

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500 MG
MXP 3,308.00
5 G
MXP 18,236.00

MXP 3,308.00


Fecha estimada de envío03 de diciembre de 2025Detalles


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Fórmula empírica (notación de Hill):
C63H88CoN14O14P
Número CAS:
Peso molecular:
1355.37
Beilstein/REAXYS Number:
4122889
EC Number:
MDL number:
UNSPSC Code:
12352205
eCl@ss:
34058004
PubChem Substance ID:
NACRES:
NA.21

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agency

USP/NF
meets USP testing specifications

Quality Level

assay

96.0-102.0% dry basis

form

powder

color

dark red

application(s)

pharmaceutical (small molecule)

storage temp.

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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Este artículo
BP466C300000047869
Vitamina B12 British Pharmacopoeia (BP) Assay Standard

BP466

Vitamina B12

assay

96.0-102.0% dry basis

assay

-

assay

-

assay

-

form

powder

form

solid

form

solid

form

-

application(s)

pharmaceutical (small molecule)

application(s)

pharmaceutical (small molecule)

application(s)

pharmaceutical (small molecule)

application(s)

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

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

Quality Level

200

Quality Level

-

Quality Level

-

Quality Level

100

color

dark red

color

light red

color

-

color

-

General description

Cyanocobalamin (B12) is a water soluble vitamin,[1] which is mainly found in animal products, like dairy products, meat and eggs. It belongs to the B12 class of vitamins, commonly called as cobalamins.[1] Cyanocobalamin consists of four pyrrole rings with a central cobalt atom coordinated by four equatorial nitrogen ligands.[2]

Application

Cyanocobalamin has been used to study its effects on the prevention of colon cancer.[3]
Required for growth, genetic stability and survival of cells in vitro. Functions to support one-carbon metabolism. Present in many classical and serum-free formulations.

Biochem/physiol Actions

Cyanocobalamin is used in the preparation of multivitamin supplements and fortified food.[1] It acts as a coenzyme to convert L-methylmalonyl CoA to succinyl CoA, which is catalyzed by isomerase.[2] Cyanocobalamin is used to treat vitamin B12 deficiency.[4] Cyanocobalamin meets USP testing specifications.

Clase de almacenamiento

11 - Combustible Solids

wgk_germany

WGK 1

ppe

Eyeshields, Gloves, type N95 (US)


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Visite la Librería de documentos

Oral cyanocobalamin supplementation in older people with vitamin B12 deficiency: a dose-finding trial
Eussen SJPM, et al.
Archives of Internal Medicine, 165(10), 1167-1172 (2005)
Dose-Dependent Effect of Cyanocobalamin on the Prevention of Colon Cancer: An In Vivo Study
Padmanabhan S, et al.
EC nutrition, 13, 563-571 (2018)
Tóshiko Takahashi-Iñiguez et al.
Journal of Zhejiang University. Science. B, 13(6), 423-437 (2012-06-05)
Vitamin B(12) is an organometallic compound with important metabolic derivatives that act as cofactors of certain enzymes, which have been grouped into three subfamilies depending on their cofactors. Among them, methylmalonyl-CoA mutase (MCM) has been extensively studied. This enzyme catalyzes
Determination of cyanocobalamin by isotope dilution LC-MS/MS
D Ulivo L, et al.
Analytica Chimica Acta, 990, 103-109 (2017)
Johan Frederik Berg Arendt et al.
Journal of the National Cancer Institute, 105(23), 1799-1805 (2013-11-20)
A substantial proportion of patients referred for plasma vitamin B12 (cobalamin [Cbl]) measurement present with high Cbl levels, which have been reported in patients with different cancer types. However, the cancer risk among patients with newly diagnosed high Cbl levels

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Questions

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  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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