3-Methylisoxazolo[5,4-d]pyrimidin-4-amine

Also known as: Isoxazolo[5,4-d]pyrimidin-4-amine, 3-methyl- (9CI), Nsc75190, 4-Amino-3-methylisoxazolo[5,4-d]pyrimidine, 3-Methyl-[1,2]oxazolo[5,4-d]pyrimidin-4-amine

3-Methylisoxazolo[5,4-d]pyrimidin-4-amine (CAS 89799-07-5) 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 boiling point of 357.9ºC at 760 mmHg, a density of 1.435g/cm3 and a flash point of 170.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 89799-07-5
Jingsj CID: J-1371946-5
Molecular Formula: C₆H₆N₄O
Molecular Weight: 150.13800 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	357.9ºC at 760 mmHg
Density	1.435g/cm3
Flash Point	170.2ºC
Exact Mass	150.05400
PSA	77.83000
LogP	1.08960
Refractive Index	1.684

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. 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 3-Methylisoxazolo[5,4-d]pyrimidin-4-amine?

The CAS number of 3-Methylisoxazolo[5,4-d]pyrimidin-4-amine is 89799-07-5.

What are the molecular formula and molecular weight of 3-Methylisoxazolo[5,4-d]pyrimidin-4-amine?

3-Methylisoxazolo[5,4-d]pyrimidin-4-amine has molecular formula C6H6N4O and molecular weight 150.13800 g/mol.

What are the upstream and downstream products of 3-Methylisoxazolo[5,4-d]pyrimidin-4-amine?

For 3-Methylisoxazolo[5,4-d]pyrimidin-4-amine, Upstream Products: 5-amino-3-methyl-1,2-oxazole-4-carboxamide, Triethyl orthoformate, 2-(1-Ethoxyethylidene)malononitrile.

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. "3-Methylisoxazolo[5,4-d]pyrimidin-4-amine (CAS 89799-07-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1371946-5 (accessed 2026-11-09).

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