1-(4-Methoxyphenyl)-3-methyl-1H-pyrazol-5-amine
Also known as: 1-(4-Methoxyphenyl)-3-methyl-1H-pyrazol-5-ylamine, 2-(4-Methoxyphenyl)-5-methylpyrazol-3-amine, 2-(4-Methoxy-phenyl)-5-methyl-2H-pyrazol-3-ylamine, 1H-Pyrazol-5-amine, 1-(4-methoxyphenyl)-3-methyl-
1-(4-Methoxyphenyl)-3-methyl-1H-pyrazol-5-amine (CAS 91331-86-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H13N3O and a molecular weight of 203.24000 g/mol. Key properties include a boiling point of 369.3ºC at 760mmHg, a density of 1.19g/cm3 and a flash point of 177.1ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 91331-86-1
- Jingsj CID
- J-1319778-9
- Molecular Formula
- C11H13N3O
- Molecular Weight
- 203.24000 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 369.3ºC at 760mmHg |
|---|---|
| Density | 1.19g/cm3 |
| Flash Point | 177.1ºC |
| Exact Mass | 203.10600 |
| PSA | 53.07000 |
| LogP | 2.35270 |
| Refractive Index | 1.6 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
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 1-(4-Methoxyphenyl)-3-methyl-1H-pyrazol-5-amine?
The CAS number of 1-(4-Methoxyphenyl)-3-methyl-1H-pyrazol-5-amine is 91331-86-1.
What are the molecular formula and molecular weight of 1-(4-Methoxyphenyl)-3-methyl-1H-pyrazol-5-amine?
1-(4-Methoxyphenyl)-3-methyl-1H-pyrazol-5-amine has molecular formula C11H13N3O and molecular weight 203.24000 g/mol.
Is 1-(4-Methoxyphenyl)-3-methyl-1H-pyrazol-5-amine hazardous?
1-(4-Methoxyphenyl)-3-methyl-1H-pyrazol-5-amine has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 1-(4-Methoxyphenyl)-3-methyl-1H-pyrazol-5-amine?
For 1-(4-Methoxyphenyl)-3-methyl-1H-pyrazol-5-amine, Upstream Products: 3-Aminocrotononitrile, 4-Methoxyphenylhydrazine hydrochloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-(4-Methoxyphenyl)-3-methyl-1H-pyrazol-5-amine (CAS 91331-86-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1319778-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.