B12 (Methylcobalamin)
B12 (Methylcobalamin) 1 mg is a high-purity (>99%) research-grade compound. It is provided for laboratory and research use, ensuring consistent quality and reliability for scientific applications.
CAS #: 13422-55-4

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Testing & Quality Assurance+
Testing & Quality Assurance
Trust starts with transparency. Premier Bio Labs subjects every batch to comprehensive third-party testing before release, ensuring the materials powering your research meet pharmaceutical-grade standards.
Complete Batch Testing
Each product includes a Certificate of Analysis (COA) with verifiable data from independent laboratories.
COA Testing Parameters
- Identity Verification – HPLC and Mass Spectrometry confirm molecular structure
- Purity Analysis – HPLC quantification, typically ≥98%
- Concentration Accuracy – Verified dosing levels
- Molecular Weight – Mass spectrometry confirmation
- Endotoxin Screening – LAL assay, <1.0 EU/mg
- pH Testing – Solution stability validation
- Sterility – Microbial contamination screening
- Heavy Metals – Lead, mercury, cadmium analysis
- Residual Solvents – Organic solvent detection
- Moisture Content – Karl Fischer titration
- Physical Inspection – Color, clarity, appearance
- Traceability – Batch numbers, test dates, storage specs
All COAs include methodology, acceptance criteria, actual results, and QC team verification.
Disclaimer & Prohibited Use+
Regulatory & Liability Statement+
B12 (Methylcobalamin)
B12 (Methylcobalamin) 1 mg is a precisely formulated, high-purity compound intended strictly for research use. Methylcobalamin is a form of vitamin B12 commonly utilized in laboratory settings for various biochemical and analytical studies.
This product is manufactured to maintain a purity level of greater than 99%, supporting consistency and accuracy in research environments. Each unit is prepared under controlled conditions to meet standard quality requirements for research-grade materials.
It is suitable for use in controlled laboratory applications where reliability and compound integrity are essential. The formulation and packaging are designed to ensure stability and ease of handling during research procedures.
⚠️ Disclaimer: This product is intended for research use only and is not for human consumption.
Certificate of Analysis
This batch has been independently third-party tested. View the full lab report with QR verification.
- Dosage1mg
- LotB12X01
- Purity99.37%
- ResultPass





