Skip to main content

Pyridine-3-sulfonyl chloride

Also known as: 3-Pyridinesulfonyl chloride, 3-CHLOROSULFONYL-PYRIDINIUM, CHLORIDE, 3-PYRIDINESULFONYL CHLORIDE HYDROCHLORIDE, 3-PYRIDINESULFONYL CHLORIDE, HCL, 3-Pyridine sulphonyl chloride, PYRIDINE-3-SULPHONYL CHLORIDE HYDROCHLORIDE, Vonoprazan intermediate, chloro-3-pyridylsulfone, m-Pyridinesulfonyl chloride

Pyridine-3-sulfonyl chloride (CAS 16133-25-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4ClNO2S and a molecular weight of 177.609 g/mol. Key properties include a melting point of 144ºC, a boiling point of 284℃, a density of 1.488 and a flash point of 126℃. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.

CAS No.
16133-25-8
Jingsj CID
J-1355100-3
Molecular Formula
C5H4ClNO2S
Molecular Weight
177.609 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
Made to Order

Supplier Offers

1Request a quote
Filter:
SupplierPurity / PackBase PriceUnit PriceOrigin
Made to Order
--CN China

Physicochemical Properties

Melting Point144ºC
Boiling Point284℃
Density1.488
Flash Point126℃
Exact Mass176.965118
PSA55.41000
LogP0.89
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.553

Customs & Trade Information

HS Code2933399090
Summary2933399090. 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 Pyridine-3-sulfonyl chloride?

The CAS number of Pyridine-3-sulfonyl chloride is 16133-25-8.

What are the molecular formula and molecular weight of Pyridine-3-sulfonyl chloride?

Pyridine-3-sulfonyl chloride has molecular formula C5H4ClNO2S and molecular weight 177.609 g/mol.

Which suppliers offer Pyridine-3-sulfonyl chloride?

1 supplier(s) listed; request a quote for pricing.

What are the upstream and downstream products of Pyridine-3-sulfonyl chloride?

For Pyridine-3-sulfonyl chloride, Upstream Products: 3-Pyridinesulfonic acid, 3-Bromopyridine, Pyridine-3-thiol; Downstream Products: N-Ethylpyridine-3-sulfonamide, Isothiazolo[5,4-c]pyridin-3(2H)-one 1,1-dioxide, 2-Pyridinesulfonamide.

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

Last updated:

How to cite: Jingsj. "Pyridine-3-sulfonyl chloride (CAS 16133-25-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1355100-3 (accessed 2026-11-09).

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