4-Aminopyrazolo[3,4-d]pyrimidine

4-氨基吡唑并[3,4-d]嘧啶

Also known as: 1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 1H-Pyrazolo[3,4-d]pyrimidin-4-ylamine, 4-Amino-1H-pyrazolo[3,4-d]pyrimidine, Pyrazolo[3,4-d]pyrimidin-4-amine, Pyrazoloadenine, 4-APP, 7-deaza-8-aza-adenine, Aminopurinol, Adenine antimetabolite, NSC 1393

4-Aminopyrazolo[3,4-d]pyrimidine (CAS 2380-63-4) 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 193.671 g/mol. It is also known as 1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 1H-Pyrazolo[3,4-d]pyrimidin-4-ylamine and 4-Amino-1H-pyrazolo[3,4-d]pyrimidine. Key properties include a melting point of >325 °C(lit.), a boiling point of 431.1ºC at 760mmHg, a density of 1.612g/cm3 and a flash point of 244.4ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2380-63-4
Jingsj CID
J-45504-8
Molecular Formula
C5H5N5
Chinese Name
4-氨基吡唑并[3,4-d]嘧啶
Molecular Weight
193.671 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point>325 °C(lit.)
Boiling Point431.1ºC at 760mmHg
Density1.612g/cm3
Flash Point244.4ºC
Exact Mass193.086960
PSA80.48000
LogP0.51630

GHS Safety & Compliance

Acute ToxicitySignal word: Danger
  • H301 — Toxic if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2933990090
Summary2933990090. 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-Aminopyrazolo[3,4-d]pyrimidine?

The CAS number of 4-Aminopyrazolo[3,4-d]pyrimidine is 2380-63-4.

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

4-Aminopyrazolo[3,4-d]pyrimidine has molecular formula C5H5N5 and molecular weight 193.671 g/mol.

Is 4-Aminopyrazolo[3,4-d]pyrimidine hazardous?

4-Aminopyrazolo[3,4-d]pyrimidine has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "4-Aminopyrazolo[3,4-d]pyrimidine (CAS 2380-63-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45504-8 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.