Ethyl 5-amino-1-methyl-1H-pyrazole-4-carboxylate
Also known as: 1H-Pyrazole-4-carboxylic acid, 5-amino-1-methyl-, ethyl ester, 5-Amino-1-methyl-1H-pyrazole-4-carboxylic acid ethyl ester, 5-Amino-1-methylpyrazole-4-carboxylic acid ethyl ester, Ethyl 5-amino-1-methylpyrazole-4-carboxylate, 1-methyl-4-carbethoxy-5-amino pyrazole, ethyl 5-amino-1-methyl-4-pyrazolecarboxylate, ethyl 5-amino-1-methylpyrazol-4-carboxylate, MFCD00051652, AKOS B022231, TIMTEC-BB SBB005505
Ethyl 5-amino-1-methyl-1H-pyrazole-4-carboxylate (CAS 31037-02-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H11N3O2 and a molecular weight of 169.181 g/mol. Key properties include a melting point of 101-102 °C, a boiling point of 300.5±22.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 135.5±22.3 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 31037-02-2
- Jingsj CID
- J-6940-9
- Molecular Formula
- C7H11N3O2
- Molecular Weight
- 169.181 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 101-102 °C |
|---|---|
| Boiling Point | 300.5±22.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 135.5±22.3 °C |
| Exact Mass | 169.085129 |
| PSA | 70.14000 |
| LogP | 1.61 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.571 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 Ethyl 5-amino-1-methyl-1H-pyrazole-4-carboxylate?
The CAS number of Ethyl 5-amino-1-methyl-1H-pyrazole-4-carboxylate is 31037-02-2.
What are the molecular formula and molecular weight of Ethyl 5-amino-1-methyl-1H-pyrazole-4-carboxylate?
Ethyl 5-amino-1-methyl-1H-pyrazole-4-carboxylate has molecular formula C7H11N3O2 and molecular weight 169.181 g/mol.
Is Ethyl 5-amino-1-methyl-1H-pyrazole-4-carboxylate hazardous?
Ethyl 5-amino-1-methyl-1H-pyrazole-4-carboxylate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Ethyl 5-amino-1-methyl-1H-pyrazole-4-carboxylate?
For Ethyl 5-amino-1-methyl-1H-pyrazole-4-carboxylate, Upstream Products: Ethyl (ethoxymethylene)cyanoacetate, Ethyl (2E)-2-cyano-3-ethoxyacrylate, Ethyl cyanoacetate; Downstream Products: 5-Amino-1-methyl-1H-pyrazole-4-carboxylic acid, 5-amino-1-methyl-1H-pyrazole-4-carbohydrazide, 1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-ol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethyl 5-amino-1-methyl-1H-pyrazole-4-carboxylate (CAS 31037-02-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6940-9 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.