Molekula
Methylcobalamin USP RS
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
Methylcobalamin USP RS is a highly bioavailable form of vitamin B12, essential for red blood cell formation, nerve function, and DNA synthesis. As a United States Pharmacopeia Reference Standard, it is used as an analytical reference material for identification, assay and impurity tests in quality-control testing under USP monographs. CAS 13422-55-4, molecular formula C63H91CoN13O14P, molecular weight 1344.38 g/mol. Store at -15 to -20°C; signal word: Warning. Molekula supplies Methylcobalamin USP RS 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 powder |
| Standard | Conforms to USP monograph |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90032709 |
| 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.
Synonyms
- Mecobalamin
- methylcobalamin
- Methylcobalamin, United States Pharmacopeia (USP) Reference Standard
Frequently asked questions
What is Methylcobalamin USP RS used for?
Methylcobalamin USP RS is an analytical reference standard used for identification, assay and impurity tests specified in USP monographs, such as quality-control testing of methylcobalamin. It is not intended for human use or as a formulation ingredient.
What is the chemical formula and molecular weight of Methylcobalamin USP RS?
The chemical formula is C63H91CoN13O14P and the molecular weight is 1344.38 g/mol.
How should Methylcobalamin USP RS be stored?
Store at -15 to -20°C to maintain stability and potency.
What grade of Methylcobalamin is this, and what does 'USP RS' mean?
'USP RS' indicates this is a United States Pharmacopeia (USP) Reference Standard grade, meeting stringent purity and quality requirements for analytical and compendial testing, such as calibration and identification in USP methods.
Can Molekula supply Methylcobalamin USP RS in bulk quantities?
Yes, Molekula can provide Methylcobalamin USP RS in bulk, with quantities tailored to your specific needs—please contact us for pricing and availability.
What documentation comes with an order of Methylcobalamin USP RS?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation confirming USP compliance and purity.
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