2-tert-butylpyrido[4,3-d]pyrimidin-4(3H)-one

Also known as: 2-tert-butylpyrido[4,3-d]pyrimidin-4(3H)-one, Pyrido[4,3-d]pyrimidin-4(3H)-one, 2-(1,1-dimethylethyl)-

2-tert-butylpyrido[4,3-d]pyrimidin-4(3H)-one (CAS 705291-54-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H13N3O and a molecular weight of 203.24000 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 705291-54-9
Jingsj CID: J-1385973-9
Molecular Formula: C₁₁H₁₃N₃O
Molecular Weight: 203.24000 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	203.10600
PSA	58.90000
LogP	2.02790

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 2-tert-butylpyrido[4,3-d]pyrimidin-4(3H)-one?

The CAS number of 2-tert-butylpyrido[4,3-d]pyrimidin-4(3H)-one is 705291-54-9.

What are the molecular formula and molecular weight of 2-tert-butylpyrido[4,3-d]pyrimidin-4(3H)-one?

2-tert-butylpyrido[4,3-d]pyrimidin-4(3H)-one has molecular formula C11H13N3O and molecular weight 203.24000 g/mol.

What are the upstream and downstream products of 2-tert-butylpyrido[4,3-d]pyrimidin-4(3H)-one?

For 2-tert-butylpyrido[4,3-d]pyrimidin-4(3H)-one, Upstream Products: 4-[(2,2-Dimethylpropanoyl)amino]nicotinic acid; Downstream Products: 2-(tert-Butyl)-8-iodopyrido[4,3-d]pyrimidin-4(3H)-one.

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. "2-tert-butylpyrido[4,3-d]pyrimidin-4(3H)-one (CAS 705291-54-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1385973-9 (accessed 2026-11-09).

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