1H-pyrazolo[3,4-b]pyrazin-3-amine

Also known as: 1H-Pyrazolo[3,4-b]pyrazin-3-amine, 2H-pyrazolo[3,4-b]pyrazin-3-amine, 3-amino-1H-pyrazolo[3,4-b]pyrazine

1H-pyrazolo[3,4-b]pyrazin-3-amine (CAS 81411-64-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5N5 and a molecular weight of 135.127 g/mol. Key properties include a boiling point of 424.3±40.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 240.0±14.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 81411-64-5
Jingsj CID: J-1164254-9
Molecular Formula: C₅H₅N₅
Molecular Weight: 135.127 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	424.3±40.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	240.0±14.5 °C
Exact Mass	135.054489
PSA	80.48000
LogP	0.25
Vapor Pressure	0.0±1.0 mmHg at 25°C
Refractive Index	1.837

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 1H-pyrazolo[3,4-b]pyrazin-3-amine?

The CAS number of 1H-pyrazolo[3,4-b]pyrazin-3-amine is 81411-64-5.

What are the molecular formula and molecular weight of 1H-pyrazolo[3,4-b]pyrazin-3-amine?

1H-pyrazolo[3,4-b]pyrazin-3-amine has molecular formula C5H5N5 and molecular weight 135.127 g/mol.

What are the upstream and downstream products of 1H-pyrazolo[3,4-b]pyrazin-3-amine?

For 1H-pyrazolo[3,4-b]pyrazin-3-amine, Upstream Products: 3-Chloropyrazine-2-carbonitrile, 3-Amino-N-hydroxy-2-pyrazinecarboximidamide; Downstream Products: 4,7-DIAZA-1H-INDAZOLE, 3-Bromo-1H-pyrazolo[3,4-b]pyrazine.

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. "1H-pyrazolo[3,4-b]pyrazin-3-amine (CAS 81411-64-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1164254-9 (accessed 2026-11-09).

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