Skip to Content
Merck
CN

1.24592

Vitamin B12

for biochemistry

Synonym(s):

Vitamin B₁₂, Cyanocobalamin

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

CAS Number:
Molecular Weight:
1355.37
MDL number:
UNSPSC Code:
12352203
EC Index Number:
200-680-0
NACRES:
NA.21
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist


Quality Level

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

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

General description

for biochemistry

Application

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

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 %


Still not finding the right product?

Explore all of our products under Vitamin B12


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
124592100004022536217611
124592010004022536217604