Skip to Content
MilliporeSigma

1.24592

Vitamin B12

for biochemistry

Synonym(s):

Vitamin B₁₂, Cyanocobalamin

Slide 1 of 1
Sign In to View Organizational & Contract Pricing.

Select a Size

Pricing and availability is not currently available.

About This Item

CAS Number:
68-19-9
Molecular Weight:
1355.37
MDL number:
MFCD00151092
UNSPSC Code:
12352203
EC Index Number:
200-680-0
NACRES:
NA.21

Key Documents

View All Documentation

Skip To

Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Product Name

Vitamin B12, for biochemistry

SMILES string

[Co+3].[P](=O)([O-])(O[C@@H]6[C@H](O[C@@H]([C@@H]6O)[n]7c8c(nc7)cc(c(c8)C)C)CO)O[C@@H](CNC(=O)CC[C@@]1([C@H]([C@H]2N=C1\C(=C3/N=C(C([C@@H]/3CCC(=O)N)(C)C)\C=C4/N=C([C@]([C@@H]/4CCC(=O)N)(CC(=O)N)C)C(=C5[N-][C@@]2([C@]([C@@H]5CCC(=O)N)(CC(=O)N)C)C)C)\C)CC(

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;-1;+3/p-2/t31-,34-,35-,36-,37+,41-,52-,53-,56-,57+,59-,60+,61+,62+;;/m1../s1

InChI key

FDJOLVPMNUYSCM-WZHZPDAFSA-L

form

solid

pH

6.0 (20 °C, 1 g/L in H2O)

mp

>300 °C

solubility

12 g/L

bulk density

450‑600 kg/m3

storage temp.

15-25°C

Quality Level

100

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
V66295.249506791
Vitamin B12 for biochemistry

Millipore

1.24592

Vitamin B12

Vitamin B12 BioReagent, suitable for cell culture, suitable for insect cell culture, suitable for plant cell culture, ≥98%

Sigma-Aldrich

V6629

Vitamin B12

Vitamin B12 (cyanocobalamin) EMPROVE® ESSENTIAL, Ph. Eur., BP, USP

SAFC

5.24950

Vitamin B12 (cyanocobalamin)

Vitamin B12

Millipore

6791

Vitamin B12

form

solid

form

powder

form

solid

form

powder

solubility

12 g/L

solubility

water: soluble 50 mg/mL, dark red

solubility

12 g/L

solubility

water: 10 mg/mL

storage temp.

15-25°C

storage temp.

2-8°C

storage temp.

15-25°C

storage temp.

15-25°C

Quality Level

100

Quality Level

200

Quality Level

500

Quality Level

100

mp

>300 °C

mp

-

mp

>300 °C

mp

-

pH

6.0 (20 °C, 1 g/L in H2O)

pH

6

pH

6.0 (20 °C, 1 g/L in H2O)

pH

-

Analysis Note

Assay (photometric, calculated on dried substance)97.0 - 100.0 %Identity (IR-spectrum)conformsAbsorption ratio (A 361 nm/278 nm)1.70 - 1.88Absorption ratio (A 361 nm/550 nm)3.15 - 3.40Absorption ratio (A 351 nm/361 nm)0.57 - 0.65Acetone (HS-GC)≤ 5000 ppmOther residual solvents (ICH Q3C)excluded by production processRelated substances (HPLC)≤ 3.0 %Loss on Drying (105 °C)≤ 4.0 %

Application

Vitamin B₁₂ for biochemistry. CAS 68-19-9, pH 6.0 (1 g/l, H₂O, 20 °C).

General description

for biochemistry

Storage Class

11 - Combustible Solids

wgk

WGK 1

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Questions

Reviews

No rating value

Active Filters

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service