4-Chloro-1H-pyrazole
Also known as: 4-Chloropyrazole, 4-chloro-1H-pyrazole, 4-chloro-1h-pyrazol, 4-chloro-pyrazol
4-Chloro-1H-pyrazole (CAS 15878-00-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C3H3ClN2 and a molecular weight of 102.522 g/mol. Key properties include a melting point of 75-76ºC, a boiling point of 220.0±0.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 98.8±5.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 15878-00-9
- Jingsj CID
- J-1361776-0
- Molecular Formula
- C3H3ClN2
- Molecular Weight
- 102.522 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 75-76ºC |
|---|---|
| Boiling Point | 220.0±0.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 98.8±5.4 °C |
| Exact Mass | 101.998474 |
| PSA | 28.68000 |
| LogP | 1.26 |
| Vapor Pressure | 0.2±0.4 mmHg at 25°C |
| Refractive Index | 1.563 |
| Storage Conditions | 2~8 ℃ |
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 4-Chloro-1H-pyrazole?
The CAS number of 4-Chloro-1H-pyrazole is 15878-00-9.
What are the molecular formula and molecular weight of 4-Chloro-1H-pyrazole?
4-Chloro-1H-pyrazole has molecular formula C3H3ClN2 and molecular weight 102.522 g/mol.
What are the upstream and downstream products of 4-Chloro-1H-pyrazole?
For 4-Chloro-1H-pyrazole, Upstream Products: Pyrazole, 3,5-Pyrazoledicarboxylic acid, Carbon tetrachloride; Downstream Products: 4-Chloro-1-methyl-1H-pyrazole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Chloro-1H-pyrazole (CAS 15878-00-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1361776-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.