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1H-Pyrazolo[4,3-d]pyrimidin-7-amine
Also known as: 1H-Pyrazolo[4,3-d]pyrimidin-7-amine (9CI), 1H-Pyrazolo(4,3-D)pyrimidine, 7-amino- (8CI), 7-Aminopyrazolo[4,3-d]pyrimidine, 7-aminopyrazolo[4,3-d]pyrimidine, NSC 81390, 1H-Pyrazolo[4,3-d]pyrimidin-7-ylamine
1H-Pyrazolo[4,3-d]pyrimidin-7-amine (CAS 13877-56-0) 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 135.12700 g/mol. Key properties include a boiling point of 431.1ºC at 760mmHg, a density of 1.612g/cm3 and a flash point of 244.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 13877-56-0
- Jingsj CID
- J-1155682-4
- Molecular Formula
- C5H5N5
- Molecular Weight
- 135.12700 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 431.1ºC at 760mmHg |
|---|---|
| Density | 1.612g/cm3 |
| Flash Point | 244.4ºC |
| Exact Mass | 135.05400 |
| PSA | 80.48000 |
| LogP | 0.51630 |
| Vapor Pressure | 1.23E-07mmHg at 25°C |
| Refractive Index | 1.837 |
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[4,3-d]pyrimidin-7-amine?
The CAS number of 1H-Pyrazolo[4,3-d]pyrimidin-7-amine is 13877-56-0.
What are the molecular formula and molecular weight of 1H-Pyrazolo[4,3-d]pyrimidin-7-amine?
1H-Pyrazolo[4,3-d]pyrimidin-7-amine has molecular formula C5H5N5 and molecular weight 135.12700 g/mol.
What are the upstream and downstream products of 1H-Pyrazolo[4,3-d]pyrimidin-7-amine?
For 1H-Pyrazolo[4,3-d]pyrimidin-7-amine, Upstream Products: 4-Amino-1H-pyrazole-3-carbonitrile, 1,6-Dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one; Downstream Products: 3-Iodo-1H-pyrazolo[4,3-d]pyrimidin-7-amine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1H-Pyrazolo[4,3-d]pyrimidin-7-amine (CAS 13877-56-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1155682-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.