1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid
Also known as: 1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid, Sildenafil Impurity NA, Methisosildenafil Impurity 15, PYR245, 1-Methyl-4-nitro-3-n-propyl pyrazole-5-carboxylic acid
1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid (CAS 139756-00-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H11N3O4 and a molecular weight of 213.19100 g/mol. Key properties include a melting point of 124-127°C(lit.), a boiling point of 392.7ºC at 760mmHg, a density of 1.45g/cm3 and a flash point of 191.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 139756-00-6
- Jingsj CID
- J-1577609-7
- Molecular Formula
- C8H11N3O4
- Molecular Weight
- 213.19100 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 124-127°C(lit.) |
|---|---|
| Boiling Point | 392.7ºC at 760mmHg |
| Density | 1.45g/cm3 |
| Flash Point | 191.3ºC |
| Exact Mass | 213.07500 |
| PSA | 100.94000 |
| LogP | 1.50220 |
| Vapor Pressure | 7.17E-07mmHg at 25°C |
| Refractive Index | 1.61 |
| Storage Conditions | 2-8°C |
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-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid?
The CAS number of 1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid is 139756-00-6.
What are the molecular formula and molecular weight of 1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid?
1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid has molecular formula C8H11N3O4 and molecular weight 213.19100 g/mol.
What are the upstream and downstream products of 1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid?
For 1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid, Upstream Products: 1-methyl-3-propyl-1H-pyrazole-5-carboxylic acid, Ethyl 2,4-dioxoheptanoate, 2-Pentanone; Downstream Products: 4-[[2-Ethoxy-5-[(4-methyl-1-piperazinyl)sulfonyl]benzoyl]amino]-1-methyl-3-propyl-1H-pyrazole-5-carboxamide, 1-Methyl-4-nitro-3-propyl-(1H)-pyrazole-5-carboxamide, 4-[(2-Ethoxybenzoyl)amino]-1-methyl-3-propyl-1H-pyrazole-5-carboxamide.
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-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid (CAS 139756-00-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1577609-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.