Molekula
Methylcobalamin
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Methylcobalamin is a form of vitamin B12 essential for neurological function and red blood cell formation. It is used in dietary supplements and pharmaceuticals to treat deficiencies. Available with CAS number 13422-55-4, molecular formula C63H91CoN13O14P, and molecular weight 1344.38 g/mol. Store at -15 to -20 °C. Signal word: Warning. Molekula supplies Methylcobalamin 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
In stock — same-day dispatch
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
-
1 g — £62.10 per pack ex VAT · £74.52 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Dark red crystals or crystalline powder |
| Water | ≤11.5% |
| Single Impurity | ≤0.5% |
| Identification | Cobalt: Meets JP |
| Acetone | ≤5000ppm |
| Assay | (anhydrous) 98.5% - 101.0% |
| Total Impurities | ≤2.0% |
| Bioburden (total combined mold and yeast count) | ≤100cfu/g |
| Total Aerobic Microbial Count | ≤1000cfu/g |
| Clarity & Colour of Solution | The solution is clear and red colour |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 28215227 |
| CAS Number | 13422-55-4 |
| IUPAC Name | carbanide;cobalt(3+);[(2R,3S,4R,5S)-5-(5,6-dimethylbenzimidazol-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl] 1-[3-[(1R,2R,3R,5Z,7S,10Z,12S,13S,15Z,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-24-id-3-yl]propanoylamino]propan-2-yl phosphate |
| Molecular Formula | C63H91CoN13O14P |
| Molecular Weight | 1344.38 |
| Exact Mass | 1343.5878 |
| SMILES | [CH3-].CC1=CC2=C(C=C1C)N(C=N2)[C@@H]3[C@@H]([C@@H]([C@H](O3)CO)OP(=O)([O-])OC(C)CNC(=O)CC[C@@]4([C@H]([C@@H]5[C@]6([C@@]([C@@H](/C(=C(/C7=N/C(=C\C8=N/C(=C(\C4=N5)/C)/[C@H](C8(C)C)CCC(=O)N)/[C@H]([C@]7(C)CC(=O)N)CCC(=O)N)\C)/[N-]6)CCC(=O)N)(C)CC(=O)N)C)CC(=O)N)C)O.[Co+3] |
| InChIKey | ZFLASALABLFSNM-WYVZQNDMSA-L |
| InChI | InChI=1S/C62H90N13O14P.CH3.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;;/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);1H3;/q;-1;+3/p-2/t31?,34-,35-,36-,37+,41-,52-,53-,56-,57+,59-,60+,61+,62+;;/m1../s1 |
| PubChem CID | 10898559 |
| REACH Code | Y110 |
| HTS Code | 2936260000 |
| Tariff Code | 2936260000 |
Safety & GHS
-
Serious Health Hazard
GHS08
Hazard statements
- H361 Suspected of damaging fertility or the unborn child
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- Mecobalamin
- Methylcobalamin, United States Pharmacopeia (USP) Reference Standard
Frequently asked questions
What is methylcobalamin used for?
Methylcobalamin is a form of vitamin B12 used in dietary supplements and pharmaceuticals to support nerve function, treat vitamin B12 deficiency, and promote red blood cell formation.
What is the chemical formula and molecular weight of methylcobalamin?
The formula is C63H91CoN13O14P with a molecular weight of 1344.38 g/mol.
How should methylcobalamin be stored?
Store at -15 to -20 °C to maintain stability and prevent degradation.
What grade of methylcobalamin does Molekula supply?
Molekula supplies pharmaceutical-grade methylcobalamin suitable for research and clinical use.
Can Molekula supply methylcobalamin in bulk?
Yes, Molekula can supply methylcobalamin in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a methylcobalamin order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS); additional documentation can be provided upon request.
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.