![Molecular structure of 1-(4-Nitrophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine (CAS 65973-73-1)](/images/chem_structures_svg/387/65973-73-1.svg)
1-(4-Nitrophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine
Also known as: NSC4912, 1-(4-nitrophenyl)pyrazolo[3,4-d]pyrimidin-4-amine, 1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 1-(4-nitrophenyl)-
1-(4-Nitrophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine (CAS 65973-73-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H8N6O2 and a molecular weight of 256.22000 g/mol. Key properties include a boiling point of 448.3ºC at 760 mmHg, a density of 1.69g/cm3 and a flash point of 224.9ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 65973-73-1
- Jingsj CID
- J-1178187-6
- Molecular Formula
- C11H8N6O2
- Molecular Weight
- 256.22000 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 448.3ºC at 760 mmHg |
|---|---|
| Density | 1.69g/cm3 |
| Flash Point | 224.9ºC |
| Exact Mass | 256.07100 |
| PSA | 115.44000 |
| LogP | 2.41030 |
| Refractive Index | 1.827 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
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 1-(4-Nitrophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine?
The CAS number of 1-(4-Nitrophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine is 65973-73-1.
What are the molecular formula and molecular weight of 1-(4-Nitrophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine?
1-(4-Nitrophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine has molecular formula C11H8N6O2 and molecular weight 256.22000 g/mol.
Is 1-(4-Nitrophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine hazardous?
1-(4-Nitrophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 1-(4-Nitrophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine?
For 1-(4-Nitrophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine, Upstream Products: 5-Amino-1-(4-nitrophenyl)-1H-pyrazole-4-carbonitrile, Methanimidic acid, (Z)-, Triethyl orthoformate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-(4-Nitrophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine (CAS 65973-73-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1178187-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.