5-Aminopyridine-2-sulfonamide

Also known as: 2-Pyridinesulfonamide, 5-amino-, 2-Pyridinesulfonamide,5-amino-(9CI), 2-Sulfamyl-5-amino-pyridine, 5-Amino-2-pyridinesulfonamide, 5-Amino-pyridin-2-sulfonsaeure-amid, 5-Aminopyridine-2-sulfonamide, 5-amino-2-pyridinesulfonamide, 5-amino-pyridine-2-sulfonic acid amide, 5-aminopyridine-2-sulfonamide

5-Aminopyridine-2-sulfonamide (CAS 64356-57-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H7N3O2S and a molecular weight of 173.19300 g/mol. Key properties include a boiling point of 476.805ºC at 760 mmHg, a density of 1.521 g/cm3 and a flash point of 242.163ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 64356-57-6
Jingsj CID: J-1103698-9
Molecular Formula: C₅H₇N₃O₂S
Molecular Weight: 173.19300 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	476.805ºC at 760 mmHg
Density	1.521 g/cm3
Flash Point	242.163ºC
Exact Mass	173.02600
PSA	107.45000
LogP	1.67350
Refractive Index	1.632

Customs & Trade Information

HS Code	2935009090
Summary	2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0%

Frequently Asked Questions

What is the CAS number of 5-Aminopyridine-2-sulfonamide?

The CAS number of 5-Aminopyridine-2-sulfonamide is 64356-57-6.

What are the molecular formula and molecular weight of 5-Aminopyridine-2-sulfonamide?

5-Aminopyridine-2-sulfonamide has molecular formula C5H7N3O2S and molecular weight 173.19300 g/mol.

What are the upstream and downstream products of 5-Aminopyridine-2-sulfonamide?

For 5-Aminopyridine-2-sulfonamide, Upstream Products: 5-nitro-2-pyridinethiol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "5-Aminopyridine-2-sulfonamide (CAS 64356-57-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1103698-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.