Biotin hydrazide
Also known as: Biotin-Hz, Biotin-NHNH2, 5-[(3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanehydrazide, 1H-Thieno[3,4-d]imidazole-4-pentanoic acid, hexahydro-2-oxo-, hydrazide, (3aS,4S,6aR)-
Biotin hydrazide (CAS 66640-86-6) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C10H18N4O2S and a molecular weight of 258.341 g/mol. Key properties include a melting point of 245-247 °C, a boiling point of 633.1±40.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 336.7±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 66640-86-6
- Jingsj CID
- J-1974864-2
- Molecular Formula
- C10H18N4O2S
- Molecular Weight
- 258.341 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 245-247 °C |
|---|---|
| Boiling Point | 633.1±40.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 336.7±27.3 °C |
| Exact Mass | 258.115051 |
| PSA | 121.55000 |
| LogP | -1.24 |
| Vapor Pressure | 0.0±1.9 mmHg at 25°C |
| Refractive Index | 1.553 |
| Additional Property | DMSO: ≤20 mg/mL |
Activity & Biological Data
| Additional Information | [1]. Wu J, et al. Two-dimensional gel electrophoretic detection of protein carbonyls derivatized with biotin-hydrazide. J Chromatogr B Analyt Technol Biomed Life Sci. 2016 Apr 15;1019:128-31. |
|---|
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Biotin hydrazide?
The CAS number of Biotin hydrazide is 66640-86-6.
What are the molecular formula and molecular weight of Biotin hydrazide?
Biotin hydrazide has molecular formula C10H18N4O2S and molecular weight 258.341 g/mol.
What are the upstream and downstream products of Biotin hydrazide?
For Biotin hydrazide, Upstream Products: Biotin methyl ester.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Biotin hydrazide (CAS 66640-86-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1974864-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.