3-Methyl-1-phenyl-1H-pyrazole
Also known as: 3-Methyl-1-phenylpyrazole, 1-Phenyl-3-methylpyrazole, NSC 163372, MFCD00003123
3-Methyl-1-phenyl-1H-pyrazole (CAS 1128-54-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H10N2 and a molecular weight of 158.20000 g/mol. Key properties include a melting point of 34-36 °C(lit.), a boiling point of 255ºC, a density of 1,076 g/cm3 and a flash point of >110.0 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 1128-54-7
- Jingsj CID
- J-20515-2
- Molecular Formula
- C10H10N2
- Molecular Weight
- 158.20000 g/mol
- Category
- Pharma Intermediates
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 34-36 °C(lit.) |
|---|---|
| Boiling Point | 255ºC |
| Density | 1,076 g/cm3 |
| Flash Point | >110.0 °C |
| Exact Mass | 158.08400 |
| PSA | 17.82000 |
| LogP | 2.18070 |
| Vapor Pressure | 0.0268mmHg at 25°C |
| Refractive Index | 1.581 |
Customs & Trade Information
| HS Code | 2933199090 |
|---|---|
| Summary | 2933199090. 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?
The CAS number of 3-Methyl-1-phenyl-1H-pyrazole is 1128-54-7.
What are the molecular formula and molecular weight of 3-Methyl-1-phenyl-1H-pyrazole?
3-Methyl-1-phenyl-1H-pyrazole has molecular formula C10H10N2 and molecular weight 158.20000 g/mol.
What are the upstream and downstream products of 3-Methyl-1-phenyl-1H-pyrazole?
For 3-Methyl-1-phenyl-1H-pyrazole, Upstream Products: Iodobenzene, 3-Methylpyrazole, Phenylboronic acid; Downstream Products: [4-(3-methyl-1H-pyrazol-1-yl)phenyl]amine, 3-Methyl-1-phenyl-1H-pyrazole-4-carbaldehyde, Oxalic acid.
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 (CAS 1128-54-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20515-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.