3-Amino-4-pyrazolecarboxamide hemisulfate
Also known as: 3-Aminopyrazole-4-carboxamide hemisulfate, 3-Amino-1H-pyrazole-4-carboxamide hemisulfate, 5-Aminopyrazole-4-carboxamide hemisulphate, Allopurinol Related Compound A, Allopurinol EP Impurity A, 3-Amino-4-carbamoylpyrazole hemisulfate
3-Amino-4-pyrazolecarboxamide hemisulfate (CAS 27511-79-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H14N8O6S and a molecular weight of 350.312 g/mol. Key properties include a melting point of 222-234ºC, a boiling point of 454.3ºC at 760 mmHg and a density of 0.84. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 27511-79-1
- Jingsj CID
- J-1117104-3
- Molecular Formula
- C8H14N8O6S
- Molecular Weight
- 350.312 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 222-234ºC |
|---|---|
| Boiling Point | 454.3ºC at 760 mmHg |
| Density | 0.84 |
| Exact Mass | 350.075714 |
| PSA | 278.56000 |
| LogP | 1.17260 |
| Vapor Pressure | 1.93E-08mmHg at 25°C |
Customs & Trade Information
| HS Code | 2933199090 |
|---|---|
| Summary | 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. 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 3-Amino-4-pyrazolecarboxamide hemisulfate?
The CAS number of 3-Amino-4-pyrazolecarboxamide hemisulfate is 27511-79-1.
What are the molecular formula and molecular weight of 3-Amino-4-pyrazolecarboxamide hemisulfate?
3-Amino-4-pyrazolecarboxamide hemisulfate has molecular formula C8H14N8O6S and molecular weight 350.312 g/mol.
What are the upstream and downstream products of 3-Amino-4-pyrazolecarboxamide hemisulfate?
For 3-Amino-4-pyrazolecarboxamide hemisulfate, Downstream Products: 4-Hydroxy-6-mercaptopyrazolo[3,4-d]pyrimidine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Amino-4-pyrazolecarboxamide hemisulfate (CAS 27511-79-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1117104-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.