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PYRIDINE-2-SULFONIC ACID

PYRIDINE-2-SULFONIC ACID structure

CAS No.: 15103-48-7

Chemical Name:: PYRIDINE-2-SULFONIC ACID

Synonyms: TAK438 Impurity 26;Vonoprazan Impurity 37;2-PYRIDINESULFONIC ACID;PYRIDINE-2-SULFONIC ACID;2-PYRIDINESULPHONIC ACID;Pyridine-2-sulphonic acid;Pyridine-2-sulfonicAcid>2-Pyridinesulfonic acid 97%;Pyridine-2-sulfonic acid ,98%;PYRIDINE-2-SULFONIC ACID ISO 9001：2015 REACH

CBNumber:: CB0323635

Molecular Formula:: C5H5NO3S

Molecular Weight:: 159.16

MDL Number:: MFCD00234080

MOL File:: 15103-48-7.mol

MSDS File:: SDS

Last updated:2026-05-20 15:44:42

Product description	Number	Pack Size	Price
2-Pyridinesulfonic acid 97%	661759	10g	$349
Pyridine-2-sulfonic Acid >98.0%(HPLC)(T)	P1647	5g	$79
Pyridine-2-sulfonic Acid >98.0%(HPLC)(T)	P1647	25g	$244
Pyridine-2-sulfonic acid 98%	P41000	250mg	$17
Pyridine-2-sulfonic acid 98%	P41000	1g	$23
More product size

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PYRIDINE-2-SULFONIC ACID Properties

Melting point	244-249 °C
Density	1.509±0.06 g/cm3(Predicted)
storage temp.	Inert atmosphere,Room Temperature
solubility	soluble in Chloroform, Dichloromethane, Ethyl Acetate
pka	-2.92±0.18(Predicted)
form	powder to crystal
color	White to Light yellow
Water Solubility	almost transparency
InChI	InChI=1S/C5H5NO3S/c7-10(8,9)5-3-1-2-4-6-5/h1-4H,(H,7,8,9)
InChIKey	KZVLNAGYSAKYMG-UHFFFAOYSA-N
SMILES	C1(S(O)(=O)=O)=NC=CC=C1
CAS DataBase Reference	15103-48-7(CAS DataBase Reference)
FDA UNII	437T6G8UUP
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS05

Signal word

Danger

Hazard statements

H314

Precautionary statements

P260-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363

PPE

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Hazard Codes

Risk Statements

Safety Statements

26-36/37/39-45

RIDADR

UN 2585 8/PG 3

WGK Germany

HazardClass

PackingGroup

III

HS Code

29333990

Storage Class

8A - Combustible corrosive hazardous materials

Hazard Classifications

Eye Dam. 1
Skin Corr. 1B

Limited Quantities

5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid)

Excepted Quantities

Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)

NFPA 704

	0
3		0

PYRIDINE-2-SULFONIC ACID price More Price(25)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	661759	2-Pyridinesulfonic acid 97%	15103-48-7	10g	$349	2023-06-20	Buy
TCI Chemical	P1647	Pyridine-2-sulfonic Acid >98.0%(HPLC)(T)	15103-48-7	5g	$79	2026-04-30	Buy
TCI Chemical	P1647	Pyridine-2-sulfonic Acid >98.0%(HPLC)(T)	15103-48-7	25g	$244	2026-04-30	Buy
Synthonix	P41000	Pyridine-2-sulfonic acid 98%	15103-48-7	250mg	$17	2026-05-06	Buy
Synthonix	P41000	Pyridine-2-sulfonic acid 98%	15103-48-7	1g	$23	2026-05-06	Buy

Product number	Packaging	Price	Buy
661759	10g	$349	Buy
P1647	5g	$79	Buy
P1647	25g	$244	Buy
P41000	250mg	$17	Buy
P41000	1g	$23	Buy

PYRIDINE-2-SULFONIC ACID Chemical Properties,Uses,Production

Chemical Properties

White to light brown solid

Uses

PYRIDINE-2-SULFONIC ACID is a by-product during the synthesis of 2-Pyridinesulfonyl Chloride (P991550), used for preparation of piperidine derivatives as tachykinin receptor antagonists.

PYRIDINE-2-SULFONIC ACID Preparation Products And Raw materials

Raw materials

Acetone 2-Pyridinethione Nitric acid

Preparation Products

2-Hydrazinopyridine 1-BENZHYDRYLAZETIDIN-3-ONE

PYRIDINE-2-SULFONIC ACID Suppliers

Global( 136)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shanghai UCHEM Inc.	+862156762820 +86-13564624040	sales@myuchem.com	China	8667	58
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29815	58
Standardpharm Co. Ltd.	86-714-3992388	overseasales1@yongstandards.com	United States	14332	58
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63687	58
Wuhan Chemwish Technology Co., Ltd	027-67849912	sales@chemwish.com	CHINA	10821	58
Hebei shuoxi biotechnology co. LTD	+8613081092107		CHINA	964	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49979	58
SIMAGCHEM CORP	+86-5922680277 +86-13806087780	sale@simagchem.com	China	17346	58
Hebei Runbin Biotechnology Co. LTD	13180553332	2179877681@qq.com	CHINA	990	58
Hebei Binshare New Material Co. Ltd	+8618633865755	china01@hbbinshare.com	CHINA	955	58

Supplier	Advantage
Shanghai UCHEM Inc.	58
career henan chemical co	58
Standardpharm Co. Ltd.	58
Alchem Pharmtech,Inc.	58
Wuhan Chemwish Technology Co., Ltd	58
Hebei shuoxi biotechnology co. LTD	58
CONIER CHEM AND PHARMA LIMITED	58
SIMAGCHEM CORP	58
Hebei Runbin Biotechnology Co. LTD	58
Hebei Binshare New Material Co. Ltd	58

View Lastest Price from PYRIDINE-2-SULFONIC ACID manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-05-25	Pyridine-2-sulfonic acid 15103-48-7	US $53.00-170.00 / g	5g	0.98	25kg	Shanghai UCHEM Inc.
2025-11-18	PYRIDINE-2-SULFONIC ACID 15103-48-7	US $1.10 / g	1g	99.00%	100 Tons Min	Dideu Industries Group Limited
2021-09-07	pyridine-2-sulfonic acid 15103-48-7	US $100.00 / Kg/Bag	1Kg/Bag	Above 99%	5000kg/month	Hebei Zhanyao Biotechnology Co. Ltd

Pyridine-2-sulfonic acid
15103-48-7
US $53.00-170.00 / g
0.98
Shanghai UCHEM Inc.

PYRIDINE-2-SULFONIC ACID
15103-48-7
US $1.10 / g
99.00%
Dideu Industries Group Limited

pyridine-2-sulfonic acid
15103-48-7
US $100.00 / Kg/Bag
Above 99%
Hebei Zhanyao Biotechnology Co. Ltd

PYRIDINE-2-SULFONIC ACID Spectrum

PYRIDINE-2-SULFONIC ACID(15103-48-7)MS PYRIDINE-2-SULFONIC ACID(15103-48-7)¹HNMR PYRIDINE-2-SULFONIC ACID(15103-48-7)¹³CNMR PYRIDINE-2-SULFONIC ACID(15103-48-7)IR1

15103-48-7(PYRIDINE-2-SULFONIC ACID)Related Search:

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1-methylpyridin-1-ium-4-sulfonate (5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl) methanol RARECHEM AL BY 0489 N-NITROSO-DI-ISO-PROPYLAMINE 1H-Pyrrole-3-carbonitrile,5-(2-fluorophenyl)-1-(3-pyridinylsulfonyl)-

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