4-Amino-1-phenylpyrazolo[3,4-d]pyrimidine

Also known as: PP3, 1-Phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine, 1-phenylpyrazolo[3,4-d]pyrimidin-4-amine, 4-Amino-1-phenylpyrazole[3,4-d]pyrimidine, MFCD00022901

4-Amino-1-phenylpyrazolo[3,4-d]pyrimidine (CAS 5334-30-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H9N5 and a molecular weight of 211.223 g/mol. Key properties include a melting point of 214-217 °C, a boiling point of 364.0±35.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 173.9±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5334-30-5
Jingsj CID: J-1994104-8
Molecular Formula: C₁₁H₉N₅
Molecular Weight: 211.223 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	214-217 °C
Boiling Point	364.0±35.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	173.9±25.9 °C
Exact Mass	211.085800
PSA	69.62000
LogP	1.59
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.770

Activity & Biological Data

Additional Information	[1]. Traxler P, et al. Use of a pharmacophore model for the design of EGF-R tyrosine kinase inhibitors: 4-(phenylamino)pyrazolo[3,4-d]pyrimidines. J Med Chem. 1997 Oct 24;40(22):3601-16.

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-1-phenylpyrazolo[3,4-d]pyrimidine?

The CAS number of 4-Amino-1-phenylpyrazolo[3,4-d]pyrimidine is 5334-30-5.

What are the molecular formula and molecular weight of 4-Amino-1-phenylpyrazolo[3,4-d]pyrimidine?

4-Amino-1-phenylpyrazolo[3,4-d]pyrimidine has molecular formula C11H9N5 and molecular weight 211.223 g/mol.

What are the upstream and downstream products of 4-Amino-1-phenylpyrazolo[3,4-d]pyrimidine?

For 4-Amino-1-phenylpyrazolo[3,4-d]pyrimidine, Upstream Products: 5-amino-1-phenyl-1H-pyrazole-4-carbonitrile, Methanimidic acid, (Z)-, 4-Chloro-1-phenyl-1H-pyrazolo[3,4-d]pyrimidine; Downstream Products: 4-Hydroxy-1-phenylpyrazolo[3,4-d]pyrimidine.

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-1-phenylpyrazolo[3,4-d]pyrimidine (CAS 5334-30-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1994104-8 (accessed 2026-11-06).

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