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4-Acetamidoantipyrine

Also known as: 4-Acetylaminoantipyrine, N-Acetyl-4-aminoantipyrine, N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)acetamide, N-Acetylaminoantipyrine, 4-Acetaminoantipyrine, 4-Acetoaminoantipyrine, 4-Acetylaminophenazone, Acetamidoantipyrine, Acetylaminoantipyrine, N-(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)acetamide, N-(2,3-dimethyl-5-oxo-1-phenyl-3-pyrazolin-4-yl)acetamide, N-Acetyl-4-aminoantipyrin, 4-acetamido-2,3-dimethyl-1-phenylpyrazol-5-one, Antipyrine,4-acetamido

4-Acetamidoantipyrine (CAS 83-15-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C13H15N3O2 and a molecular weight of 245.277 g/mol. Key properties include a melting point of 200-203 °C(lit.), a boiling point of 380.7±52.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 184.0±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
83-15-8
Jingsj CID
J-23625-9
Molecular Formula
C13H15N3O2
Molecular Weight
245.277 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point200-203 °C(lit.)
Boiling Point380.7±52.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point184.0±30.7 °C
Exact Mass245.116425
PSA56.03000
LogP0.28
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.600

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 4-Acetamidoantipyrine?

The CAS number of 4-Acetamidoantipyrine is 83-15-8.

What are the molecular formula and molecular weight of 4-Acetamidoantipyrine?

4-Acetamidoantipyrine has molecular formula C13H15N3O2 and molecular weight 245.277 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Acetamidoantipyrine (CAS 83-15-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23625-9 (accessed 2026-11-09).

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