Skip to Content
Merck

1.24592

Vitamin B12

for biochemistry

Synonym(s):

Vitamin B₁₂, Cyanocobalamin

Sign In to View Organizational & Contract Pricing.

Select a Size

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

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

Global Trade Item Number

SKUGTIN
1.24592.010004022536217604
1.24592.100004022536217611

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