5-Methyl-1H-pyrazole-3-carboxylic acid
Also known as: 3-Methyl-1H-pyrazole-5-carboxylic acid, 3-Methylpyrazole-5-carboxylic acid, 5-Methylpyrazole-3-carboxylic acid, 3-Carboxy-5-methyl-1H-pyrazole, 5-Methyl-2H-pyrazole-3-carboxylic acid, AS057278, IFLAB-BB F0917-7550, IFLAB-BB F2120-0002, MFCD00462235, U-19425
5-Methyl-1H-pyrazole-3-carboxylic acid (CAS 402-61-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6N2O2 and a molecular weight of 126.11 g/mol. Key properties include a melting point of 241 °C, a boiling point of 388.8ºC at 760mmHg, a density of 1.404g/cm3 and a flash point of 188.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 402-61-9
- Jingsj CID
- J-26073-1
- Molecular Formula
- C5H6N2O2
- Molecular Weight
- 126.11 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 241 °C |
|---|---|
| Boiling Point | 388.8ºC at 760mmHg |
| Density | 1.404g/cm3 |
| Flash Point | 188.9ºC |
| Exact Mass | 126.04300 |
| PSA | 65.98000 |
| LogP | 0.41630 |
| Refractive Index | 1.595 |
| Storage Conditions | 2~8°C |
Activity & Biological Data
| Target | IC50: 0.91 μM (DAAO)[1] |
|---|---|
| Additional Information | [1]. Adage T, et al. In vitro and in vivo pharmacological profile of AS057278, a selective d-amino acid oxidase inhibitor with potential anti-psychotic properties. Eur Neuropsychopharmacol. 2008;18(3):200-214. |
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 5-Methyl-1H-pyrazole-3-carboxylic acid?
The CAS number of 5-Methyl-1H-pyrazole-3-carboxylic acid is 402-61-9.
What are the molecular formula and molecular weight of 5-Methyl-1H-pyrazole-3-carboxylic acid?
5-Methyl-1H-pyrazole-3-carboxylic acid has molecular formula C5H6N2O2 and molecular weight 126.11 g/mol.
What are the upstream and downstream products of 5-Methyl-1H-pyrazole-3-carboxylic acid?
For 5-Methyl-1H-pyrazole-3-carboxylic acid, Upstream Products: 3-Methyl-5-(trifluoromethyl)-1H-pyrazole, Ethyl 3-methyl-1H-pyrazole-5-carboxylate, 3,5-Dimethylpyrazole; Downstream Products: 3,5-Pyrazoledicarboxylic acid, 5-Methyl-1H-pyrazole-3-carbohydrazide, Ethyl 3-methyl-1H-pyrazole-5-carboxylate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Methyl-1H-pyrazole-3-carboxylic acid (CAS 402-61-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26073-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.