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Betazole

Also known as: betazole, Ametazole, 1H-Pyrazole-3-ethanamine, 2-(1H-pyrazol-5-yl)ethanamine, 2-(3-Pyrazolyl)ethanamine, 3-(2-Aminoethyl)-1H-pyrazole, 3-(2-Aminoethyl)pyrazole

Betazole (CAS 105-20-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H9N3 and a molecular weight of 111.14500 g/mol. Key properties include a melting point of 25°C, a boiling point of 284.1ºC at 760mmHg, a density of 1.14g/cm3 and a flash point of 150.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
105-20-4
Jingsj CID
J-41262-4
Molecular Formula
C5H9N3
Molecular Weight
111.14500 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point25°C
Boiling Point284.1ºC at 760mmHg
Density1.14g/cm3
Flash Point150.3ºC
Exact Mass111.08000
PSA54.70000
LogP0.61120
Vapor Pressure0.00303mmHg at 25°C
Refractive Index1.567

Activity & Biological Data

TargetH2 Receptor
Additional Information[1]. Maples MD, Effects of betazole hydrochloride and cimetidine on common bile pressure and duodenal myoelectric activity in the dog. Am Surg. 1981;47(12):519-521. [2]. Spitz IM, Betazole-induced GIP secretion is not mediated by gastric HCl. Metabolism. 1982;31(4):380-382. [3]. CLAYMAN CB,. A simple oral gastric secretory stimulant (betazole hydrochloride). JAMA. 1961;175:908-909.

Customs & Trade Information

HS Code2933199090
Summary2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. 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 Betazole?

The CAS number of Betazole is 105-20-4.

What are the molecular formula and molecular weight of Betazole?

Betazole has molecular formula C5H9N3 and molecular weight 111.14500 g/mol.

What are the upstream and downstream products of Betazole?

For Betazole, Upstream Products: 4H-pyran-4-one, 2-(1H-pyrazol-3-yl)acetonitrile.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Betazole (CAS 105-20-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-41262-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.