Skip to main content

3-Methyl-1-phenyl-1H-pyrazole-4-carbaldehyde

Also known as: 1-Phenyl-3-methyl-pyrazol-4-carbaldehyd, 1-phenyl-3-methyl-1H-4-pyrazolylformaldehyde, 1H-Pyrazole-4-carboxaldehyde, 3-methyl-1-phenyl-, 3-Methyl-1-phenyl-1H-pyrazole-4-carboxaldehyde, 3-methyl-1-phenylpyrazole-4-carbaldehyde, 3-methyl-1-phenylpyrazole-4-carboxaldehyde, 4-formyl-3-methyl-1-phenylpyrazole, JR-13823

3-Methyl-1-phenyl-1H-pyrazole-4-carbaldehyde (CAS 21487-48-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H10N2O and a molecular weight of 186.21000 g/mol. Key properties include a melting point of 57-61ºC, a boiling point of 326.5ºC at 760 mmHg, a density of 1.13g/cm3 and a flash point of 151.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21487-48-9
Jingsj CID
J-1390414-8
Molecular Formula
C11H10N2O
Molecular Weight
186.21000 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point57-61ºC
Boiling Point326.5ºC at 760 mmHg
Density1.13g/cm3
Flash Point151.3ºC
Exact Mass186.07900
PSA34.89000
LogP1.99320
Vapor Pressure0.000215mmHg at 25°C
Refractive Index1.593
Storage Conditions2-8℃

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 3-Methyl-1-phenyl-1H-pyrazole-4-carbaldehyde?

The CAS number of 3-Methyl-1-phenyl-1H-pyrazole-4-carbaldehyde is 21487-48-9.

What are the molecular formula and molecular weight of 3-Methyl-1-phenyl-1H-pyrazole-4-carbaldehyde?

3-Methyl-1-phenyl-1H-pyrazole-4-carbaldehyde has molecular formula C11H10N2O and molecular weight 186.21000 g/mol.

What are the upstream and downstream products of 3-Methyl-1-phenyl-1H-pyrazole-4-carbaldehyde?

For 3-Methyl-1-phenyl-1H-pyrazole-4-carbaldehyde, Upstream Products: 3-Methyl-1-phenyl-1H-pyrazole, N,N-Dimethylformamide, Edaravone; Downstream Products: 3-Methyl-1-phenyl-1H-pyrazole.

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

Last updated:

How to cite: Jingsj. "3-Methyl-1-phenyl-1H-pyrazole-4-carbaldehyde (CAS 21487-48-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1390414-8 (accessed 2026-11-09).

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