4-Chloro-1H-pyrazolo[3,4-d]pyrimidin-6-amine

Also known as: 6-Amino-4-chloro-1H-pyrazolo[3,4-d]pyrimidine, 6-Amino-4-chloropyrazolo[3,4-d]pyrimidine, 4-Chloro-1H-pyrazolo[3,4-d]pyrimidin-6-ylamine, 1H-Pyrazolo[3,4-d]pyrimidin-6-amine, 4-chloro-

4-Chloro-1H-pyrazolo[3,4-d]pyrimidin-6-amine (CAS 100644-65-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4ClN5 and a molecular weight of 169.572 g/mol. Key properties include a boiling point of 504.7±53.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 259.0±30.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 100644-65-3
Jingsj CID: J-1104913-1
Molecular Formula: C₅H₄ClN₅
Molecular Weight: 169.572 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	504.7±53.0 °C at 760 mmHg
Density	1.8±0.1 g/cm3
Flash Point	259.0±30.9 °C
Exact Mass	169.015518
PSA	80.48000
LogP	0.01
Vapor Pressure	0.0±1.3 mmHg at 25°C
Refractive Index	1.827

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-Chloro-1H-pyrazolo[3,4-d]pyrimidin-6-amine?

The CAS number of 4-Chloro-1H-pyrazolo[3,4-d]pyrimidin-6-amine is 100644-65-3.

What are the molecular formula and molecular weight of 4-Chloro-1H-pyrazolo[3,4-d]pyrimidin-6-amine?

4-Chloro-1H-pyrazolo[3,4-d]pyrimidin-6-amine has molecular formula C5H4ClN5 and molecular weight 169.572 g/mol.

What are the upstream and downstream products of 4-Chloro-1H-pyrazolo[3,4-d]pyrimidin-6-amine?

For 4-Chloro-1H-pyrazolo[3,4-d]pyrimidin-6-amine, Upstream Products: 2-Amino-4,6-dichloropyrimidine-5-carbaldehyde; Downstream Products: 6-Amino-1H-pyrazolo[3,4-d]pyrimidin-4(7H)-one, 3-Bromo-4-chloro-1H-pyrazolo[3,4-d]pyrimidin-6-amine.

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-Chloro-1H-pyrazolo[3,4-d]pyrimidin-6-amine (CAS 100644-65-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1104913-1 (accessed 2026-11-09).

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