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Cobalamin (Corrinoid) · Research Compound

Vitamin B12

Name: Vitamin B12
Brand: Peptides Optimized
SKU: vitamin-b12
Price: 25.00 USD
Availability: InStock

MethylcobalaminMeCblCobalamin

Vitamin B12 (methylcobalamin) is a water-soluble cobalamin corrinoid compound (molecular formula C63H91CoN13O14P) supplied as a research-grade reference reagent. It is prepared as a laboratory reference material, third-party tested for identity and purity, and is intended strictly for laboratory research use only — not for human or veterinary use.

Supplied as a solution — no BAC water required

99%+ HPLC purityThird-party testedEndotoxin testedShips from USA

Size

View Certificate of Analysis

Qty1

From$25$35.71Save 30%

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Lab Verified

Certificate of Analysis

Review the published certificate for each listed strength, including its batch number and reported purity, potency, identity, heavy metals, sterility and endotoxin results.

2verified batches

LatestPass7× Tested

Pass%

Purity

Passed full QC panel

Variant: Vitamin B12 (Methylcobalamin) 10 mL
Batch #: B12-L01
Labeled: 10 mL
Actual: 1.00 mg/mL
Tested: Sep 1, 2026

Full QC Panel7× tested

Purity · HPLC · USP <621>Pass

Net Peptide · USP <621>1.00 mg/mL

Identity · LC-MSMethylcobalamin (B12)

FTIR · USP <197A>Conforms

Heavy Metals · ICP-MS <233>Not Detected

Sterility · USP <71>No Growth

Endotoxin · USP <85>0.11 EU/vial

View full COA

Genesis Biolabs · COA #1340694 · verify

Pass7× Tested

Pass%

Purity

Passed full QC panel

Variant: Vitamin B12 (Methylcobalamin) 10 mL
Batch #: B12-260810
Labeled: 10 mL
Actual: 1.02 mg/mL
Tested: Aug 3, 2026

Full QC Panel7× tested

Purity · HPLC · USP <621>Pass

Net Peptide · USP <621>1.02 mg/mL

Identity · LC-MSMethylcobalamin (B12)

FTIR · USP <197A>Conforms

Heavy Metals · ICP-MS <233>Not Detected

Sterility · USP <71>No Growth

Endotoxin · USP <85>0.06 EU/vial

View full COA

Genesis Biolabs · COA #1598561 · verify

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Compound Information

Technical specifications

Molecular Profile

What is Vitamin B12?

Type: Vitamin (corrinoid)
CAS Number: 68-19-9
Molecular Weight: 1355.37 g/mol
Formula: C₆₃H₈₈CoN₁₄O₁₄P

PubChem Database

Important Research Notice

This product is for research and laboratory use only. It is not approved for human or veterinary therapeutic use.
Storage, handling, and disposal must comply with applicable local, state, and federal regulations.
Researchers are responsible for verifying intended use and ensuring compliance with their institutional protocols.

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