Pyridine-4-sulfonic acid
吡啶-4-磺酸
Also known as: 4-Pyridinesulfonic acid, 4-Pyridinesulphonic acid, 4-Sulphopyridine, NSC 5082, Pyridine-4-sulphonic acid, TAK438 Impurity 30, TAK438 Impurity 154, Vonoprazan Impurity 154
- CAS No.
- 5402-20-0
- Jingsj CID
- J-1000245-2
- Molecular Formula
- C5H5NO3S
- Chinese Name
- 吡啶-4-磺酸
- Molecular Weight
- 159.16300 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 330ºC (DEC.) |
|---|---|
| Density | 1.509g/cm3 |
Frequently Asked Questions
What is the CAS number of Pyridine-4-sulfonic acid?
5402-20-0
What are the molecular formula and molecular weight of Pyridine-4-sulfonic acid?
C5H5NO3S, molecular weight 159.16300 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026