1-(1-methyl-4-nitropyrazol-3-yl)ethanone

Also known as: 1-(1-methyl-4-nitropyrazol-3-yl)ethanone, 1-(1-Methyl-4-nitro-1H-pyrazol-3-yl)-ethanone, 1-(1-methyl-4-nitro-1H-pyrazole-3-YL)acetketone, 3-acetyl-1-methyl-4-nitropyrazole, 4-Nitro-3-acetyl-1-methylpyrazole, Ethanone, 1-(1-methyl-4-nitro-1H-pyrazol-3-yl)-, Ethanone, 1-(1-methyl-4-nitro-1H-pyrazol-3-yl)- (9CI)

1-(1-methyl-4-nitropyrazol-3-yl)ethanone (CAS 137890-10-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H7N3O3 and a molecular weight of 169.13800 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 137890-10-9
Jingsj CID: J-1037958-5
Molecular Formula: C₆H₇N₃O₃
Molecular Weight: 169.13800 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Exact Mass	169.04900
PSA	80.71000
LogP	1.05410

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-(1-methyl-4-nitropyrazol-3-yl)ethanone?

The CAS number of 1-(1-methyl-4-nitropyrazol-3-yl)ethanone is 137890-10-9.

What are the molecular formula and molecular weight of 1-(1-methyl-4-nitropyrazol-3-yl)ethanone?

1-(1-methyl-4-nitropyrazol-3-yl)ethanone has molecular formula C6H7N3O3 and molecular weight 169.13800 g/mol.

What are the upstream and downstream products of 1-(1-methyl-4-nitropyrazol-3-yl)ethanone?

For 1-(1-methyl-4-nitropyrazol-3-yl)ethanone, Upstream Products: 1-(1-Methyl-1H-pyrazol-3-yl)ethan-1-one, 1-Methyl-1H-pyrazole-3-carbonitrile.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "1-(1-methyl-4-nitropyrazol-3-yl)ethanone (CAS 137890-10-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1037958-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.