FOR LABORATORY RESEARCH USE ONLY — not for human or veterinary use, diagnosis, treatment, or cosmetic application. Buyers must be 21+ and legally permitted to purchase research chemicals in their jurisdiction.Intended-use statement →
Vitamin B12 (Cyanocobalamin) Wholesale
Cobamide cofactor supplied as a 10 mL multi-dose solution for analytical and cell-culture research
Product Identity
| CAS Number | 68-19-9 |
| Molecular Formula | C₆₃H₈₈CoN₁₄O₁₄P |
| Molecular Weight | 1,355.4 Da |
| Form | 10 mL multi-dose aqueous solution |
| Concentration | As stated on the batch Certificate of Analysis |
| Appearance | Clear, red-coloured solution |
| Storage | 2–8°C, protect from light |
| Identification | Batch identity confirmed by UV-Vis / HPLC per COA |
Available Configurations
| Configuration | Content | Best For |
|---|---|---|
| Standard Kit | 10 mg × 10 vials | Protocol validation; evaluation orders |
| Bulk Kit | 40 mg × 10 vials | High-throughput research; repeat buyers |
| Custom | Custom mg × custom vials | OEM; private-label; protocol-specific |
Research Background
Vitamin B12 is the commercial name for cyanocobalamin, a cobalt-containing cobamide (C₆₃H₈₈CoN₁₄O₁₄P, 1,355.4 Da). In research it is used as a cofactor source in one-carbon and methyl-transfer studies, as a reference standard in analytical method development, and as a medium supplement in cell-culture work. Solutions are photolabile, which is why handling and storage conditions are stated explicitly on every batch document.
Proposed Mechanisms
Research Focus Areas
Folate and methionine cycle research
Reference standard for vitamin assay method development
Medium supplementation for cobalamin-dependent cell lines
Quality Specifications
| Parameter | Method | Criterion |
|---|---|---|
| Purity | HPLC at 214 nm, C18 column | ≥99.0% peak area |
| Identity | ESI-MS | Da |
| Appearance | Visual inspection | White to off-white lyophilized powder |
| Purity assay | Amino acid analysis | ≥80% net peptide |
| Residual moisture | Karl Fischer | ≤3% |
| Solubility | Reconstitution test | Soluble in sterile water or PBS |
Tiered Wholesale Pricing
| Kit size | Code | List price |
|---|---|---|
| 10 mL × 10 vials | B12 | US$26 |
US$26–26 per kit (10 vials), from our published wholesale price list; tiered volume discounts apply (see the tier table) — source:wholesale price list (PDF, updated 2026-08-08).
| Volume | Discount | For |
|---|---|---|
| 1 kit | List price | Evaluation; competitive analysis |
| 5+ kits | 10% off | Initial portfolio expansion |
| 20+ kits | 20% off | Mid-size distributors |
| 50+ kits | 30% off | Regional distributors |
FAQ
Is this product a lyophilized powder?
No. Vitamin B12 is supplied as a 10 mL multi-dose aqueous solution, so it is handled and stored differently from the lyophilized peptides in the catalogue.
What concentration is the solution?
The concentration is stated on the Certificate of Analysis for each batch rather than being fixed in the catalogue, because the product is a formulated solution.
Why must B12 be protected from light?
Cyanocobalamin is photolabile; exposure to light degrades the molecule, so vials are shipped and stored at 2–8 °C away from direct light.
What is the CAS number of this product?
The catalogue lists CAS 68-19-9 with molecular formula C₆₃H₈₈CoN₁₄O₁₄P and a molecular weight of 1,355.4 Da.
Can B12 be ordered with other items in one shipment?
Yes. Solution items ship alongside lyophilized kits in the same order; the tiered wholesale discounts apply to the combined kit count, not per product line.
All products are manufactured for laboratory research purposes only. MOTS-c is labeled FOR LABORATORY RESEARCH USE ONLY. Not for human or veterinary use, diagnosis, treatment, prophylaxis or any clinical, cosmetic, dietary or household application. Not a dietary supplement, pharmaceutical ingredient, cosmetic ingredient or approved drug substance. Buyers are responsible for verifying the legal status of importation and possession in their destination country.
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Bulk pricing, tiered discounts up to 30%, COA with every order.