Molekula
D-(+)-Biotin
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
D-(+)-Biotin is a water-soluble B-complex vitamin essential for enzyme function in fatty acid synthesis and metabolism. It serves as a cofactor in carboxylation reactions and is widely used in biochemical research and nutritional supplements. It is also added as a nutrient to animal feed and foods, and serves as a hair- and skin-conditioning ingredient in cosmetic formulations. Available in powder form, it has a CAS number of 58-85-5, molecular formula C10H16N2O3S, and a molecular weight of 244.31 g/mol. Store at 2 to 8 °C. Molekula supplies D-(+)-Biotin 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.
Often bought together
Pricing & pack sizes
In stock — same-day dispatch
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 g — £46.50 per pack ex VAT · £55.80 inc. VAT
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5 g — £109.10 per pack ex VAT · £130.92 inc. VAT
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
| Property | Value |
|---|---|
| Appearance | White to off-white crystalline powder |
| Melting Point | 229 - 235°C |
| Solubility | Very slightly soluble in water and alcohol |
| Assay | ≥ 97.5% |
| Water (KF) | ≤ 0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
For research use only. Not for human use.
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 | 20337504 |
| 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
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- Bioepiderm
- Bios II
- biotin
- Biotina
- Biotine
- coenzyme R
- Factor S
- Factor S (vitamin)
- Vitamin B7
- vitamin H
Frequently asked questions
What is D-(+)-Biotin used for?
D-(+)-Biotin is used as a vitamin supplement and in biochemical research, particularly in studies involving enzyme activity and metabolic pathways.
What is the chemical formula and molecular weight of D-(+)-Biotin?
The formula is C10H16N2O3S with a molecular weight of 244.31 g/mol.
How should D-(+)-Biotin be stored?
Store at 2 to 8 °C, protected from light and moisture.
What grade of D-(+)-Biotin is available?
Available in research grade; specific purity details can be provided upon request.
Can Molekula supply D-(+)-Biotin in bulk?
Yes, Molekula can supply D-(+)-Biotin in bulk quantities—please contact sales for pricing and availability.
What documentation comes with a D-(+)-Biotin order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS); additional documentation is available upon request.
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.