6-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one

Also known as: 4H-Pyrazolo[3,4-d]pyrimidin-4-one, 1,5-dihydro-6-methyl-, 6-Methyl-1,5-dihydropyrazolo[3,4-d]pyrimidin-4-one, 6-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4(7H)-one, NSC 76237

6-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 30129-57-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H6N4O and a molecular weight of 150.13800 g/mol. Key properties include a melting point of 264-265 °C, a boiling point of 287.7ºC at 760mmHg, a density of 1.72g/cm3 and a flash point of 127.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 30129-57-8
Jingsj CID: J-1070811-9
Molecular Formula: C₆H₆N₄O
Molecular Weight: 150.13800 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	264-265 °C
Boiling Point	287.7ºC at 760mmHg
Density	1.72g/cm3
Flash Point	127.8ºC
Exact Mass	150.05400
PSA	74.43000
Refractive Index	1.819

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 6-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one?

The CAS number of 6-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one is 30129-57-8.

What are the molecular formula and molecular weight of 6-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one?

6-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one has molecular formula C6H6N4O and molecular weight 150.13800 g/mol.

What are the upstream and downstream products of 6-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one?

For 6-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one, Upstream Products: acetic acid, 3-Amino-1H-pyrazole-4-carboxamide, 3-Amino-1H-pyrazole-4-carbonitrile; Downstream Products: 4-Chloro-6-methyl-1H-pyrazolo[3,4-d]pyrimidine, 1,5-dihydro-6-methyl-4H-pyrazolo[3,4-d]pyrimidine-4-thione.

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. "6-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 30129-57-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1070811-9 (accessed 2026-11-09).

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