1H-Pyrazolo[3,4-b]quinoxalin-3-amine
1H-吡唑并[3,4-b]喹喔啉-3-胺
Also known as: NSC693868, 3-AMINO-1H-PYRAZOLO[3,4-B]QUINOXALINE, 3-Aminopyrazolo[3,4-b]quinoxaline, Brimonidine Impurity 8, Cdk1/5 Inhibitor, Cdk1/5 Inhibitor - CAS 40254-90-8 - Calbiochem, MFCD04038461, 1H-Pyrazolo[3,4-b]quinoxalin-3-ylamine
1H-Pyrazolo[3,4-b]quinoxalin-3-amine (CAS 40254-90-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7N5 and a molecular weight of 185.18500 g/mol. It is also known as NSC693868, 3-AMINO-1H-PYRAZOLO[3,4-B]QUINOXALINE and 3-Aminopyrazolo[3,4-b]quinoxaline. Key properties include a boiling point of 522.8ºC at 760mmHg, a density of 1.57g/cm3 and a flash point of 303ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 40254-90-8
- Jingsj CID
- J-24967-8
- Molecular Formula
- C9H7N5
- Chinese Name
- 1H-吡唑并[3,4-b]喹喔啉-3-胺
- Molecular Weight
- 185.18500 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 522.8ºC at 760mmHg |
|---|---|
| Density | 1.57g/cm3 |
| Flash Point | 303ºC |
| Exact Mass | 185.07000 |
| PSA | 80.48000 |
| LogP | 1.66950 |
| Refractive Index | 1.9 |
Activity & Biological Data
| Target | Cdk1/cyclin B:600 nM (IC50) Cdk5/p25:400 nM (IC50) GSK-3β:1 μM (IC50) |
|---|---|
| Additional Information | [1]. Ortega MA, et al. Pyrazolo[3,4-b]quinoxalines. A new class of cyclin-dependent kinases inhibitors. Bioorg Med Chem. 2002 Jul;10(7):2177-84. |
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]quinoxalin-3-amine?
The CAS number of 1H-Pyrazolo[3,4-b]quinoxalin-3-amine is 40254-90-8.
What are the molecular formula and molecular weight of 1H-Pyrazolo[3,4-b]quinoxalin-3-amine?
1H-Pyrazolo[3,4-b]quinoxalin-3-amine has molecular formula C9H7N5 and molecular weight 185.18500 g/mol.
What are the upstream and downstream products of 1H-Pyrazolo[3,4-b]quinoxalin-3-amine?
For 1H-Pyrazolo[3,4-b]quinoxalin-3-amine, Upstream Products: Ethyl 3-oxo-3,4-dihydro-2-quinoxalinecarboxylate, Benzofuroxan, 3-Amino-2-quinoxalinecarbonitrile; Downstream Products: 3-Chloro-1H-pyrazolo[3,4-b]quinoxaline.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1H-Pyrazolo[3,4-b]quinoxalin-3-amine (CAS 40254-90-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24967-8 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.