4-Aminopyridine-3-sulfonic acid
Also known as: 4-Amino-3-pyridinesulfonic acid monohydrate, 4-Aminopyridine-3-sulphonic acid, 4-AMINO-3-PYRIDINESULPHONIC ACID, 4-AMINOPYRIDIN-3-YLSULPHONIC ACID, 4-Amino-pyridin-3-sulfonsaeure, 4-Aminopyridine-3-sulfonic acid monohydrate, A122, MFCD09953683
4-Aminopyridine-3-sulfonic acid (CAS 29452-57-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6N2O3S and a molecular weight of 174.17800 g/mol. Key properties include a melting point of 320ºC and a density of 1.617g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 29452-57-1
- Jingsj CID
- J-46518-4
- Molecular Formula
- C5H6N2O3S
- Molecular Weight
- 174.17800 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 320ºC |
|---|---|
| Density | 1.617g/cm3 |
| Exact Mass | 174.01000 |
| PSA | 101.66000 |
| LogP | 1.57250 |
| Refractive Index | 1.634 |
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine 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 4-Aminopyridine-3-sulfonic acid?
The CAS number of 4-Aminopyridine-3-sulfonic acid is 29452-57-1.
What are the molecular formula and molecular weight of 4-Aminopyridine-3-sulfonic acid?
4-Aminopyridine-3-sulfonic acid has molecular formula C5H6N2O3S and molecular weight 174.17800 g/mol.
What are the upstream and downstream products of 4-Aminopyridine-3-sulfonic acid?
For 4-Aminopyridine-3-sulfonic acid, Upstream Products: 4-Aminopyridine; Downstream Products: 4-Amino-3-pyridinesulfonamide, 3-Pyridinesulfonic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Aminopyridine-3-sulfonic acid (CAS 29452-57-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-46518-4 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.