4H-Pyrazolo[3,4-d]pyrimidin-4-amine
4-氨基吡唑[3,4-d]嘧啶
Also known as: 4-Aminopyrazolo[3,4-d]pyrimidine, 4-Amino-1H-pyrazolo[3,4-d]pyrimidine, 7-Deaza-8-aza-adenine, Aminopyrazolodpyrimidine, 7H-pyrazolo[3,4-d]pyrimidin-4-amine, ADENINE ANTIMETABOLITE
4H-Pyrazolo[3,4-d]pyrimidin-4-amine (CAS 20289-44-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H11N5O2 and a molecular weight of 221.216 g/mol. It is also known as 4-Aminopyrazolo[3,4-d]pyrimidine, 4-Amino-1H-pyrazolo[3,4-d]pyrimidine and 7-Deaza-8-aza-adenine. Key properties include a melting point of >325ºC(lit.), a boiling point of 337.1±52.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 157.7±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20289-44-5
- Jingsj CID
- J-7714-9
- Molecular Formula
- C9H11N5O2
- Chinese Name
- 4-氨基吡唑[3,4-d]嘧啶
- Molecular Weight
- 221.216 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >325ºC(lit.) |
|---|---|
| Boiling Point | 337.1±52.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 157.7±30.7 °C |
Frequently Asked Questions
What is the CAS number of 4H-Pyrazolo[3,4-d]pyrimidin-4-amine?
The CAS number of 4H-Pyrazolo[3,4-d]pyrimidin-4-amine is 20289-44-5.
What are the molecular formula and molecular weight of 4H-Pyrazolo[3,4-d]pyrimidin-4-amine?
4H-Pyrazolo[3,4-d]pyrimidin-4-amine has molecular formula C9H11N5O2 and molecular weight 221.216 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4H-Pyrazolo[3,4-d]pyrimidin-4-amine (CAS 20289-44-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7714-9 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.