dimethyl 1-methyl-1H-pyrazole-3,5-dicarboxylate

Also known as: 1-Methyl-1H-pyrazole-3,5-dicarboxylic acid dimethyl ester, 1-Methylpyrazole-3,5-dicarboxylic acid dimethyl ester, dimethyl 1-methylpyrazole-3,5-dicarboxylate, 1H-Pyrazole-3,5-dicarboxylic acid, 1-methyl-, 3,5-dimethyl ester

dimethyl 1-methyl-1H-pyrazole-3,5-dicarboxylate (CAS 33146-99-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H10N2O4 and a molecular weight of 198.17600 g/mol. Key properties include a boiling point of 303.2ºC at 760mmHg, a density of 1.29g/cm3 and a flash point of 137.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 33146-99-5
Jingsj CID: J-1517477-3
Molecular Formula: C₈H₁₀N₂O₄
Molecular Weight: 198.17600 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	303.2ºC at 760mmHg
Density	1.29g/cm3
Flash Point	137.2ºC
Exact Mass	198.06400
PSA	70.42000
Refractive Index	1.535

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 dimethyl 1-methyl-1H-pyrazole-3,5-dicarboxylate?

The CAS number of dimethyl 1-methyl-1H-pyrazole-3,5-dicarboxylate is 33146-99-5.

What are the molecular formula and molecular weight of dimethyl 1-methyl-1H-pyrazole-3,5-dicarboxylate?

dimethyl 1-methyl-1H-pyrazole-3,5-dicarboxylate has molecular formula C8H10N2O4 and molecular weight 198.17600 g/mol.

What are the upstream and downstream products of dimethyl 1-methyl-1H-pyrazole-3,5-dicarboxylate?

For dimethyl 1-methyl-1H-pyrazole-3,5-dicarboxylate, Upstream Products: 3,5-Pyrazoledicarboxylic acid, Dimethyl sulfate, Methanol; Downstream Products: Methyl 5-amino-1-methyl-1H-pyrazole-3-carboxylate, Methyl 3-amino-1-methyl-1H-pyrazole-5-carboxylate, 5-(Methoxycarbonyl)-1-methyl-1H-pyrazole-3-carboxylic acid.

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. "dimethyl 1-methyl-1H-pyrazole-3,5-dicarboxylate (CAS 33146-99-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1517477-3 (accessed 2026-11-09).

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