Biotin hydrazide

生物素酰肼

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. It is also known as Biotin-Hz, Biotin-NHNH2 and 5-[(3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanehydrazide. 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-1974864-9
Molecular Formula
C10H18N4O2S
Chinese Name
生物素酰肼
Molecular Weight
258.341 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point245-247 °C
Boiling Point633.1±40.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point336.7±27.3 °C

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.

Data compiled from public chemical databases 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-1974864-9 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.