4-Amino-6-hydroxypyrazolo[3,4-d]pyrimidine

Also known as: 4-Amino-1,7-dihydro-6H-pyrazolo[3,4-d]pyrimidin-6-one, 4-Aminopyrazolo[3,4-d]pyrimidin-6-ol, 4-Amino-1H-pyrazolo[3,4-d]pyrimidin-6-ol, NSC 28415, 4-Amino-6-oxo-1,7-dihydro-6H-pyrazolo[3,4-d]pyrimidine, EINECS 226-811-1, MFCD00005689

4-Amino-6-hydroxypyrazolo[3,4-d]pyrimidine (CAS 5472-41-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5N5O and a molecular weight of 151.12600 g/mol. Key properties include a melting point of 320 °C, a boiling point of 351.9ºC at 760 mmHg, a density of 2.19 g/cm3 and a flash point of 166.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5472-41-3
Jingsj CID: J-1413660-8
Molecular Formula: C₅H₅N₅O
Molecular Weight: 151.12600 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	320 °C
Boiling Point	351.9ºC at 760 mmHg
Density	2.19 g/cm3
Flash Point	166.6ºC
Exact Mass	151.04900
PSA	100.71000
LogP	0.22190
Refractive Index	2.047

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 4-Amino-6-hydroxypyrazolo[3,4-d]pyrimidine?

The CAS number of 4-Amino-6-hydroxypyrazolo[3,4-d]pyrimidine is 5472-41-3.

What are the molecular formula and molecular weight of 4-Amino-6-hydroxypyrazolo[3,4-d]pyrimidine?

4-Amino-6-hydroxypyrazolo[3,4-d]pyrimidine has molecular formula C5H5N5O and molecular weight 151.12600 g/mol.

What are the upstream and downstream products of 4-Amino-6-hydroxypyrazolo[3,4-d]pyrimidine?

For 4-Amino-6-hydroxypyrazolo[3,4-d]pyrimidine, Upstream Products: Urea, 4-chloro-6-(methylthio)-1H-pyrazolo[3,4-d]pyrimidine, Oxipurinol.

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. "4-Amino-6-hydroxypyrazolo[3,4-d]pyrimidine (CAS 5472-41-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1413660-8 (accessed 2026-11-09).

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