1,3-Dimethyl-1H-pyrazole-5-carboxylic acid
Also known as: 1,3-Dimethylpyrazole-5-carboxylic acid, 1,3-Dimethylpyrazole-5-Carboxylic Acid, 2,5-dimethyl-3-pyrazolecarboxylic acid, 2,5-dimethylpyrazole-3-carboxylic acid, 1H-Pyrazole-5-carboxylic acid, 1,3-dimethyl-, MFCD00159636
1,3-Dimethyl-1H-pyrazole-5-carboxylic acid (CAS 5744-56-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H8N2O2 and a molecular weight of 140.140 g/mol. Key properties include a melting point of 211-214°C, a boiling point of 302.4±22.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 136.7±22.3 °C. 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.
- 5744-56-9
- Jingsj CID
- J-49526-1
- Molecular Formula
- C6H8N2O2
- Molecular Weight
- 140.140 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 211-214°C |
|---|---|
| Boiling Point | 302.4±22.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 136.7±22.3 °C |
| Exact Mass | 140.058578 |
| PSA | 55.12000 |
| LogP | 0.10 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.576 |
| Storage Conditions | 2-8°C |
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 1,3-Dimethyl-1H-pyrazole-5-carboxylic acid?
The CAS number of 1,3-Dimethyl-1H-pyrazole-5-carboxylic acid is 5744-56-9.
What are the molecular formula and molecular weight of 1,3-Dimethyl-1H-pyrazole-5-carboxylic acid?
1,3-Dimethyl-1H-pyrazole-5-carboxylic acid has molecular formula C6H8N2O2 and molecular weight 140.140 g/mol.
Is 1,3-Dimethyl-1H-pyrazole-5-carboxylic acid hazardous?
1,3-Dimethyl-1H-pyrazole-5-carboxylic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 1,3-Dimethyl-1H-pyrazole-5-carboxylic acid?
For 1,3-Dimethyl-1H-pyrazole-5-carboxylic acid, Upstream Products: Ethyl 1,3-dimethyl-1H-pyrazole-5-carboxylate, Ethyl 2,4-dioxovalerate, Ethyl 3-methyl-1H-pyrazole-5-carboxylate; Downstream Products: 1,3-Dimethyl-1H-pyrazole-5-carbonyl chloride, 1,3-Dimethylpyrazole, 2,5-Dimethyl-4-nitro-2H-pyrazole-3-carboxylic 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. "1,3-Dimethyl-1H-pyrazole-5-carboxylic acid (CAS 5744-56-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49526-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.