5-Methyl-1H-pyrazole-3-carbohydrazide
Also known as: 1H-Pyrazole-3-carboxylic acid, 5-methyl-, hydrazide, 3-Methyl-1H-pyrazole-5-carbohydrazide, 3-Methyl-1H-pyrazole-5-carboxylic acid hydrazide, 5-Methyl-1H-pyrazole-3-carboxylic acid hydrazide, 5-Methyl-2H-pyrazole-3-carboxylic acid hydrazide, AKOS B015433, AKOS BBS-00002519, ART-CHEM-BB B015433, BUTTPARK 93\11-86, MFCD03423274
5-Methyl-1H-pyrazole-3-carbohydrazide (CAS 40535-14-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H8N4O and a molecular weight of 140.14300 g/mol. Key properties include a melting point of 157 °C and a density of 1.337g/cm3. 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.
- 40535-14-6
- Jingsj CID
- J-38871-6
- Molecular Formula
- C5H8N4O
- Molecular Weight
- 140.14300 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 157 °C |
|---|---|
| Density | 1.337g/cm3 |
| Exact Mass | 140.07000 |
| PSA | 83.80000 |
| LogP | 0.41280 |
| Refractive Index | 1.605 |
| Storage Conditions | 2-8℃ |
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 5-Methyl-1H-pyrazole-3-carbohydrazide?
The CAS number of 5-Methyl-1H-pyrazole-3-carbohydrazide is 40535-14-6.
What are the molecular formula and molecular weight of 5-Methyl-1H-pyrazole-3-carbohydrazide?
5-Methyl-1H-pyrazole-3-carbohydrazide has molecular formula C5H8N4O and molecular weight 140.14300 g/mol.
Is 5-Methyl-1H-pyrazole-3-carbohydrazide hazardous?
5-Methyl-1H-pyrazole-3-carbohydrazide has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 5-Methyl-1H-pyrazole-3-carbohydrazide?
For 5-Methyl-1H-pyrazole-3-carbohydrazide, Upstream Products: Ethyl 3-methyl-1H-pyrazole-5-carboxylate, 5-Methyl-1H-pyrazole-3-carboxylic acid, Ethyl 2,4-dioxovalerate.
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-carbohydrazide (CAS 40535-14-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38871-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.