B12

Cyanocobalamin — essential cofactor for methionine synthase and methylmalonyl-CoA mutase. Used as a reference compound in B12 research and as a control in metabolic and neurological studies.

Peptides China supplies Vitamin B12 (Cyanocobalamin) as lyophilized powder in sealed vials synthesized at ≥98% purity and verified by HPLC and mass spectrometry. Every batch is tested by the manufacturer for purity and concentration as part of routine quality control. Sourcing is direct — no intermediaries. Free shipping + customs clearance from $500 via specialist courier lanes.

Research Areas

Metabolic Controls & Reference Standards

Reference-grade vitamins serve as controls in metabolic assays, enzyme-cofactor studies, and analytical method validation work.

Cofactor Biology

Research interest covers methylation cycles, hematopoiesis support mechanisms, and neurological cofactor pathways in cell-culture and animal models.

Quality & Testing

Testing methods include HPLC, LC-MS, endotoxins, heavy metals, sterility, water content, visible particulates, assay, impurities, and microbiology panels where applicable. Products are supplied against the specification shown on the applicable product page. The standard catalog purity specification is ≥98% unless otherwise stated. Product-specific specifications and quality-control information may vary by compound and batch. Batch documentation is available on request.

For laboratory research use only. Not for human or veterinary use. All products are sold exclusively for in vitro and preclinical research purposes.