Ethyl 5-amino-1-ethyl-1H-pyrazole-4-carboxylate
Also known as: 1H-Pyrazole-4-carboxylic acid, 5-amino-1-ethyl-, ethyl ester, ethyl 5-amino-1-ethyl-1H-pyrazole-4-carboxylate, 5-amino-1-ethylpyrazole-4-carboxylic acid ethyl ester, 5-amino-1-ethyl-1H-pyrazole-4-carboxylic acid ethyl ester, 1-ethyl-5-amino-1H-pyrazole-4-carboxylic acid ethyl ester
Ethyl 5-amino-1-ethyl-1H-pyrazole-4-carboxylate (CAS 90641-65-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H13N3O2 and a molecular weight of 183.21100 g/mol. Key properties include a boiling point of 311.7ºC at 760mmHg, a density of 1.24g/cm3 and a flash point of 142.3ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 90641-65-9
- Jingsj CID
- J-1467554-8
- Molecular Formula
- C8H13N3O2
- Molecular Weight
- 183.21100 g/mol
- Category
- Pharma Intermediates
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 311.7ºC at 760mmHg |
|---|---|
| Density | 1.24g/cm3 |
| Flash Point | 142.3ºC |
| Exact Mass | 155.06900 |
| PSA | 81.14000 |
| LogP | 0.76460 |
| Refractive Index | 1.561 |
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-ethyl-1H-pyrazole-4-carboxylate?
The CAS number of Ethyl 5-amino-1-ethyl-1H-pyrazole-4-carboxylate is 90641-65-9.
What are the molecular formula and molecular weight of Ethyl 5-amino-1-ethyl-1H-pyrazole-4-carboxylate?
Ethyl 5-amino-1-ethyl-1H-pyrazole-4-carboxylate has molecular formula C8H13N3O2 and molecular weight 183.21100 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. "Ethyl 5-amino-1-ethyl-1H-pyrazole-4-carboxylate (CAS 90641-65-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1467554-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.