B12Vitamin B12Product photo pending
Description
Methylcobalamin in aqueous solution. Supplied in solution for in vitro research.
All products are supplied for laboratory research use only. Not for human or veterinary use. Not a drug, supplement or cosmetic. Full statement.
Certificate of AnalysisLot LP-2608-B12-01
- Laboratory
- Vanguard Laboratory
- Report
- VL-B12-0001
- Issued
- Aug 12, 2026
- Status
- Conforms
| Test | Method | Specification | Result |
|---|---|---|---|
| Purity | HPLC-UV / LC-MS | ≥ 99.0 % | 99.9 % |
| Identity | LC-MS | 1344.38 g/mol | Confirmed by LC-MS |
| Appearance | Visual | Red solution | Conforms |
PDF pending upload Verify link pending
Chromatographic purity is the share of UV-absorbing area at 214 nm and says nothing about net quantity. Accreditation is granted per method; see How we test for scope.
Specifications
| Product code | B12 |
|---|---|
| CAS | 13422-55-4 |
| Formula | C63H91CoN13O14P |
| Molecular weight | 1344.38 g/mol |
| Sequence | Stated on the certificate of analysis |
| Appearance | Red solution |
| Storage | 2–8 °C, protected from light. Do not freeze. |
| Presentations | 10 mL (B12-10ML) |
| Class | Solutions |
Out of stock
Vitamin B12 10 mL
Solution · CAS 13422-55-4 · C63H91CoN13O14P
$45.00 per vial
Buy More, Save More
| Quantity | Price / vial | Save |
|---|---|---|
| 1 – 3 | $45.00 | — |
| 4 – 7 | $42.75 | 5 % |
| 8+ | $40.50 | 10 % |
Research reagents from an American company. Every lot analyzed by an independent American laboratory.
Key Features
- American company, tested in independent American labs
- Identity by LC-MS and purity by HPLC-UV on every lot
- Certificate of analysis published and verifiable by lot number
- Lyophilized, sealed, shipped UPS 2nd Day Air the same day by 5 PM ET
- For laboratory and research use only
Related products
All Solutions →