Molekula
Biotin - USP CRS
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Biotin—also called vitamin B7 or vitamin H—is a water-soluble B-complex vitamin essential for fatty acid synthesis, amino acid metabolism, and maintaining healthy skin, hair, and nails. It is widely used in pharmaceuticals, dietary supplements, and cosmetic formulations for its metabolic and dermatological benefits. This product is Biotin USP Certified Reference Standard (CRS), meeting stringent pharmaceutical quality standards. Key specifications include CAS 58-85-5, molecular formula C10H16N2O3S, and molecular weight 244.31. Store at 2–8°C in a dry, protected environment. No hazard signal word applies. Molekula supplies Biotin USP CRS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless, crystalline |
| Melting Point | 232 °C (decomposes) |
| Solubility (other solvents) | Biotin is slightly soluble in water and alcohol (its salts are quite soluble) |
| Vapour Pressure | 0.00000001 mmHg |
Source: PubChem CID 171548 (HSDB, Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 90035383 |
| CAS Number | 58-85-5 |
| IUPAC Name | 5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoic acid |
| EC Number | 200-399-3 |
| Molecular Formula | C10H16N2O3S |
| Molecular Weight | 244.31 |
| Exact Mass | 244.0882 |
| SMILES | C1[C@H]2[C@@H]([C@@H](S1)CCCCC(=O)O)NC(=O)N2 |
| InChIKey | YBJHBAHKTGYVGT-ZKWXMUAHSA-N |
| InChI | InChI=1S/C10H16N2O3S/c13-8(14)4-2-1-3-7-9-6(5-16-7)11-10(15)12-9/h6-7,9H,1-5H2,(H,13,14)(H2,11,12,15)/t6-,7-,9-/m0/s1 |
| PubChem CID | 171548 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29362950 |
| Tariff Code | 2936290090 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Bioepiderm
- Bios II
- biotin
- Biotina
- Biotine
- coenzyme R
- d-biotin
- Factor S
- Vitamin B7
- vitamin H
Frequently asked questions
What is Biotin USP CRS primarily used for?
Biotin USP CRS is an analytical reference standard used for identity, assay, and impurity testing as specified in USP monographs, such as quality control of biotin raw material and biotin-containing pharmaceutical and dietary supplement products. It is intended for laboratory testing, not as a formulation ingredient.
What is the chemical formula and molecular weight of Biotin USP CRS?
The chemical formula is C10H16N2O3S, and the molecular weight is 244.31 g/mol.
How should Biotin USP CRS be stored?
Store at 2 to 8°C in a dry, well-ventilated area, protected from light and moisture.
What grade of Biotin is USP CRS, and how does it differ from other grades?
USP CRS (United States Pharmacopeia Certified Reference Standard) is a high-purity grade meeting strict pharmaceutical standards, ideal for analytical testing and regulatory compliance.
Can Molekula supply Biotin USP CRS in bulk quantities?
Yes, Molekula can supply Biotin USP CRS in bulk, with quantities tailored to your specific needs—please contact us for pricing and availability.
What documentation comes with an order of Biotin USP CRS?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and USP CRS compliance documentation for traceability and regulatory purposes.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.