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C0884

Coenzyme B12

≥97.0%

Sinonimo/i:

5′-Deoxyadenosylcobalamine, Adenosyl cobalamine, Cobamamide, DMBC coenzyme

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Informazioni su questo articolo

Formula empirica (notazione di Hill):
C72H100CoN18O17P
Numero CAS:
Peso molecolare:
1579.58
UNSPSC Code:
12352205
NACRES:
NA.79
PubChem Substance ID:
EC Number:
237-627-6
Beilstein/REAXYS Number:
4122932
MDL number:
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Quality Segment

assay

≥97.0%

form

powder and chunks

technique(s)

HPLC: suitable

color

red to very dark red, very dark red-brown

storage temp.

−20°C

SMILES string

CC(CNC(=O)CCC1(C)C(CC(N)=O)C2N([Co+]C[C@H]3O[C@@H]([C@H](O)[C@@H]3O)n4cnc5c(N)ncnc45)C1=C(C)C6=NC(=CC7=NC(=C(C)C8=NC2(C)C(C)(CC(N)=O)C8CCC(N)=O)C(C)(CC(N)=O)C7CCC(N)=O)C(C)(C)C6CCC(N)=O)OP([O-])(=O)O[C@H]9[C@@H](O)[C@H](O[C@@H]9CO)n%10cnc%11cc(C)c(C)cc%10%11

InChI

1S/C62H90N13O14P.C10H12N5O3.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;1-4-6(16)7(17)10(18-4)15-3-14-5-8(11)12-2-13-9(5)15;/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);2-4,6-7,10,16-17H,1H2,(H2,11,12,13);/q;;+2/p-2/t31?,34?,35?,36?,37?,41-,52-,53-,56?,57+,59?,60?,61?,62?;4-,6-,7-,10+;/m11./s1

InChI key

ZIHHMGTYZOSFRC-PMDPKNCCSA-L

General description

Vitamin B12 cobalamin refers to a group of chemically-related cobalt containing molecules. The physiologically active forms of vitamin B12 include methylcobalamin and adenosylcobalamin, whereas hydroxocobalamin (vitamin B12a, OHCbl) and cyanocobalamin (CNCbl) are storage and delivery forms.

Application

Coenzyme B12 has been used as a supplement for culturing plasmid variants in in vivo assay of yvrC-lacZ fusions.

Biochem/physiol Actions

Vitamin B12 cobalamin is involved in DNA synthesis and fatty acid synthesis. It also plays a vital role as a coenzyme in the conversion of mitochondrial methylmalonyl co-enzyme A to succinyl co-enzyme A.

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Questo articolo
M9756H8017C3607
Coenzyme B12 ≥97.0%

Sigma-Aldrich

C0884

Coenzyme B12

Methylcobalamin vitamin B12 analog

Sigma-Aldrich

M9756

Methylcobalamin

Vitamina B12 meets USP testing specifications

Sigma-Aldrich

C3607

Vitamina B12

technique(s)

HPLC: suitable

technique(s)

HPLC: suitable

technique(s)

HPLC: suitable

technique(s)

-

assay

≥97.0%

assay

≥97%

assay

≥95% (HPLC)

assay

96.0-102.0% dry basis

form

powder and chunks

form

powder

form

powder

form

powder

storage temp.

−20°C

storage temp.

−20°C

storage temp.

2-8°C

storage temp.

2-8°C

Quality Level

100

Quality Level

100

Quality Level

200

Quality Level

200

color

red to very dark red, very dark red-brown

color

red to very dark red

color

red to brown

color

dark red


Classe di stoccaggio

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)



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Certificati d'analisi (COA)

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Questions

1–3 of 3 Questions  
  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

      Helpful?

  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

      Helpful?

  3. What is the pH stability of adenosylcobalamine?

    1 answer
    1. The pH stability of this product in solution has not been determined.

      Helpful?

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