Molekula
Cyanocobalamin (Crystalline) - USP CRS
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Cyanocobalamin (Crystalline) USP CRS is a high-purity form of vitamin B12, essential for red blood cell formation, neurological function, and DNA synthesis. It is used in pharmaceuticals, dietary supplements, and veterinary applications where precise potency and stability are required. This crystalline USP Certified Reference Standard has a CAS number of 68-19-9, molecular formula C63H88CoN14O14P, and a molecular weight of 1355.36. It must be stored between 2 to 8°C, with no signal word for hazard classification. Molekula supplies Cyanocobalamin (Crystalline) USP CRS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | Dark red crystals or crystalline powder |
| Identification | Conforms to reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90037549 |
| CAS Number | 68-19-9 |
| IUPAC Name | cobalt(3+);[(2R,3S,5S)-5-(5,6-dimethylbenzimidazol-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl] [(2R)-1-[3-[(1R,2R,3R,4Z,7S,9Z,12S,13S,14Z,17S,18S,19R)-2,13,18-tris(2-amino-2-oxoethyl)-7,12,17-tris(3-amino-3-oxopropyl)-3,5,8,8,13,15,18,19-octamethyl-2,7,12,17-tetrahydro-1H-corrin-21-id-3-yl]propanoylamino]propan-2-yl] phosphate;cyanide |
| Molecular Formula | C63H88CoN14O14P |
| Molecular Weight | 1355.36 |
| Exact Mass | 1354.5674 |
| SMILES | CC1=CC2=C(C=C1C)N(C=N2)[C@@H]3C([C@@H]([C@H](O3)CO)OP(=O)([O-])O[C@H](C)CNC(=O)CC[C@@]\4([C@H]([C@@H]5[C@]6([C@@]([C@@H](C(=N6)/C(=C\7/[C@@]([C@@H](C(=N7)/C=C\8/C([C@@H](C(=N8)/C(=C4\[N-]5)/C)CCC(=O)N)(C)C)CCC(=O)N)(C)CC(=O)N)/C)CCC(=O)N)(C)CC(=O)N)C)CC(=O)N)C)O.[C-]#N.[Co+3] |
| InChIKey | FDJOLVPMNUYSCM-SYUKHSAKSA-L |
| InChI | 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 |
| PubChem CID | 165339223 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2936260000 |
| Tariff Code | 2936260000 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Russian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- B 12, Vitamin
- Cobalamin (III)
- Cobinamide, cyanide hydroxide, dihydrogen phosphate
- Coobalamed
- Cynobal
- Distivit (B12 peptide)
- Factor II (vitamin B12)
- Vatimin B12
- vitamin B12
- Vitamine B12
Frequently asked questions
What is cyanocobalamin (crystalline) USP CRS primarily used for?
Cyanocobalamin USP CRS is an analytical reference standard used for the identification, assay and quality tests specified in USP monographs, such as those for cyanocobalamin and cyanocobalamin-containing dosage forms. It is not intended for use as a dietary supplement, a drug ingredient, or for treating vitamin B12 deficiency.
What is the chemical formula and molecular weight of cyanocobalamin?
The chemical formula is **C₆₃H₈₈CoN₁₄O₁₄P**, and the molecular weight is **1355.36 g/mol**.
How should cyanocobalamin (crystalline) USP CRS be stored?
Store at **2–8°C** in a dry, well-ventilated area, protected from light and moisture.
What grade of cyanocobalamin does Molekula supply, and is USP CRS available?
Molekula supplies **USP CRS (Certified Reference Standard) grade** cyanocobalamin, meeting strict pharmaceutical and analytical standards.
Can Molekula supply cyanocobalamin in bulk quantities?
Yes, Molekula can provide cyanocobalamin in bulk, with quantities tailored to your production or research needs.
What documentation comes with an order of cyanocobalamin USP CRS?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.