1H-Pyrazole-3-carboxylic acid
1H-吡唑-3-羧酸
Also known as: 3-Carboxy-1H-pyrazole, Pyrazole-3-carboxylic acid, 1H-Pyrazole-3-carboxylic acid, 3-Pyrazolecarboxylic acid, 5-Pyrazolecarboxylic acid, MFCD00077436
- CAS No.
- 1621-91-6
- Jingsj CID
- J-21606-5
- Molecular Formula
- C4H4N2O2
- Chinese Name
- 1H-吡唑-3-羧酸
- Molecular Weight
- 112.09 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 211ºC |
|---|---|
| Boiling Point | 417.1±18.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 206.1±21.2 °C |
GHS Safety & Compliance
IrritantSignal word: Warning
Frequently Asked Questions
What is the CAS number of 1H-Pyrazole-3-carboxylic acid?
1621-91-6
What are the molecular formula and molecular weight of 1H-Pyrazole-3-carboxylic acid?
C4H4N2O2, molecular weight 112.09 g/mol
Is 1H-Pyrazole-3-carboxylic acid hazardous?
Warning
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026