Dimethyl 1H-pyrazole-3,4-dicarboxylate
Also known as: Dimethyl 1H-pyrazole-4,5-dicarboxylate, 3,4-Bis(methoxycarbonyl)pyrazole, Dimethyl pyrazole-3,4-dicarboxylate, 1H-Pyrazole-3,4-dicarboxylic acid dimethyl ester
Dimethyl 1H-pyrazole-3,4-dicarboxylate (CAS 33090-46-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H8N2O4 and a molecular weight of 184.149 g/mol. Key properties include a boiling point of 304.0±22.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 137.7±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 33090-46-9
- Jingsj CID
- J-893417-6
- Molecular Formula
- C7H8N2O4
- Molecular Weight
- 184.149 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 304.0±22.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 137.7±22.3 °C |
| Exact Mass | 184.048401 |
| PSA | 81.28000 |
| LogP | -0.04 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.531 |
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 Dimethyl 1H-pyrazole-3,4-dicarboxylate?
The CAS number of Dimethyl 1H-pyrazole-3,4-dicarboxylate is 33090-46-9.
What are the molecular formula and molecular weight of Dimethyl 1H-pyrazole-3,4-dicarboxylate?
Dimethyl 1H-pyrazole-3,4-dicarboxylate has molecular formula C7H8N2O4 and molecular weight 184.149 g/mol.
What are the upstream and downstream products of Dimethyl 1H-pyrazole-3,4-dicarboxylate?
For Dimethyl 1H-pyrazole-3,4-dicarboxylate, Upstream Products: Dimethyl acetylenedicarboxylate, (Trimethylsilyl)diazomethane, Diazomethane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dimethyl 1H-pyrazole-3,4-dicarboxylate (CAS 33090-46-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-893417-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.