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Methyl 3-chlorosulfonylthiophene-2-carboxylate

CAS No.
59337-92-7
Chemical Name:
Methyl 3-chlorosulfonylthiophene-2-carboxylate
Synonyms
Tenoxicam Impurity 2;AKOS 206-07;BUTTPARK 27\06-40;RARECHEM AM UC 0124;Methyl 3-chlorosulfo;Lornoxicam Impurity G;2-(Methoxycarbonyl)-3-thiophenesulf;METHYLCHLOROSULFONYLTHIOPHENECARBOXYLATE;2-CARBOMETHOXY-3-THIOPHENESULFONYL CHLOR;3-CHLOROSULFONYL-2-THIOPHENECARBOXYLIC A
CBNumber:
CB7682526
Molecular Formula:
C6H5ClO4S2
Molecular Weight:
240.68
MDL Number:
MFCD00068160
MOL File:
59337-92-7.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-06-04 16:00:12
Product description Number Pack Size Price
2-Carbomethoxy-3-thiophenesulfonyl chloride 95% 540501 1g $25.3
2-Carbomethoxy-3-thiophenesulfonyl chloride 95% 540501 5g $25.5
Methyl 3-(Chlorosulfonyl)-2-thiophenecarboxylate >90.0%(GC)(T) M1404 5g $66
Methyl 3-chlorosulfonylthiophene-2-carboxylate Asreported 283631 25g $408
Methyl 3-chlorosulfonylthiophene-2-carboxylate Asreported 283631 50g $623
More product size

Methyl 3-chlorosulfonylthiophene-2-carboxylate Properties

Melting point 61-64 °C(lit.)
Boiling point 364.8±27.0 °C(Predicted)
Density 1.568±0.06 g/cm3(Predicted)
storage temp. 2-8°C
solubility soluble in Toluene
form Crystalline Powder
color White to brown
Stability Moisture Sensitive
InChI 1S/C6H5ClO4S2/c1-11-6(8)5-4(2-3-12-5)13(7,9)10/h2-3H,1H3
InChIKey PJVJBDAUWILEOG-UHFFFAOYSA-N
SMILES COC(=O)c1sccc1S(Cl)(=O)=O
CAS DataBase Reference 59337-92-7(CAS DataBase Reference)
EPA Substance Registry System 2-Thiophenecarboxylic acid, 3-(chlorosulfonyl)-, methyl ester (59337-92-7)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Corrosion (GHS05)
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  C,Xi
Risk Statements  34
Safety Statements  26-27-36/37/39-45
RIDADR  UN 3261 8/PG 3
WGK Germany  3
Hazard Note  Corrosive
TSCA  TSCA listed
HazardClass  IRRITANT
PackingGroup  III
HS Code  29349990
Storage Class 8A - Combustible corrosive hazardous materials
Hazard Classifications Skin Corr. 1B
Limited Quantities 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

Methyl 3-chlorosulfonylthiophene-2-carboxylate price More Price(46)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 540501 2-Carbomethoxy-3-thiophenesulfonyl chloride 95% 59337-92-7 1g $25.3 2023-06-20 Buy
Sigma-Aldrich 540501 2-Carbomethoxy-3-thiophenesulfonyl chloride 95% 59337-92-7 5g $25.5 2023-06-20 Buy
TCI Chemical M1404 Methyl 3-(Chlorosulfonyl)-2-thiophenecarboxylate >90.0%(GC)(T) 59337-92-7 5g $66 2026-04-30 Buy
Usbiological 283631 Methyl 3-chlorosulfonylthiophene-2-carboxylate Asreported 59337-92-7 25g $408 2026-06-03 Buy
Usbiological 283631 Methyl 3-chlorosulfonylthiophene-2-carboxylate Asreported 59337-92-7 50g $623 2026-06-03 Buy
Product number Packaging Price Buy
540501 1g $25.3 Buy
540501 5g $25.5 Buy
M1404 5g $66 Buy
283631 25g $408 Buy
283631 50g $623 Buy

Methyl 3-chlorosulfonylthiophene-2-carboxylate Chemical Properties,Uses,Production

Chemical Properties

White powder

Uses

2-Carbomethoxy-3-thiophenesulfonyl chloride is widely employed as a sulfonylating reagent. It can be prepared from methyl 3-amino-2-thiophenecarboxylate.

General Description

2-Carbomethoxy-3-thiophenesulfonyl chloride is widely employed as a sulfonylating reagent. It can be prepared from methyl 3-amino-2-thiophenecarboxylate.

Global( 272)Suppliers
Supplier Tel Email Country ProdList Advantage
Capot Chemical Co.,Ltd.
+86-(0)57185586718 +86-13336195806 sales@capot.com China 29626 60
Beijing Cooperate Pharmaceutical Co.,Ltd
010-60279497 sales01@cooperate-pharm.com CHINA 1796 55
Henan Tianfu Chemical Co.,Ltd.
+86-0371-55170693 +86-19937530512 info@tianfuchem.com China 21531 55
ATK CHEMICAL COMPANY LIMITED
+undefined-21-51877795 ivan@atkchemical.com China 32998 60
career henan chemical co
+86-0371-86658258 sales@coreychem.com China 29766 58
NINGBO INNO PHARMCHEM CO., LTD.
13867897135 sales@nbinno.com CHINA 920 58
Alchem Pharmtech,Inc.
8485655694 sales@alchempharmtech.com United States 63645 58
Wuhan Chemwish Technology Co., Ltd
027-67849912 sales@chemwish.com CHINA 10817 58
CONIER CHEM AND PHARMA LIMITED
sales@conier.com China 49906 58
Fuxin Pharmaceutical
+86-021-021-50872116 contact@fuxinpharm.com China 9976 58

View Lastest Price from Methyl 3-chlorosulfonylthiophene-2-carboxylate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Methyl 3-chlorosulfonylthiophene-2-carboxylate pictures 2026-08-07 Methyl 3-chlorosulfonylthiophene-2-carboxylate
59337-92-7
1KG 98%min 30tons/month WUHAN FORTUNA CHEMICAL CO., LTD
Methyl 3-chlorosulfonylthiophene-2-carboxylate  pictures 2025-11-18 Methyl 3-chlorosulfonylthiophene-2-carboxylate
59337-92-7
$1.10 1g 99.00% 100 Tons Dideu Industries Group Limited
Methyl 3-chlorosulfonylthiophene-2-carboxylate pictures 2019-07-06 Methyl 3-chlorosulfonylthiophene-2-carboxylate
59337-92-7
$1.00 1KG 99% Career Henan Chemical Co
Methyl 3-chlorosulfo Methyl 3-(ChorosulfonyI)-2-thiophenecarboxylate 2-Carbomethoxy-3-thiophenesulfonyl Chloride 3-(Chlorosulfonyl)-2-thiophenecarboxylic Acid Methyl Ester 2-(Methoxycarbonyl)-3-thiophenesulfonyl Chloride 2-(Methoxycarbonyl)thiophene-3-sulphonyl chloride, 3-(Chlorosulphonyl)-2-(methoxycarbonyl)thiophene Methyl 3-(chlorosulphonyl)thiophene-2-carboxylate 95% 2-Carbomethoxy-3-thiophenesulfonyl chloride 95% METHYL 3-(CHLOROSULFONYL)-2-THIOPHENECARBOXYLATE METHYL 3-(CHLOROSULPHONYL)THIOPHENE-2-CARBOXYLATE METHYL 3-CHLOROSULFONYLTHIOPHENE-2-CARBOXYLATE METHYLCHLOROSULFONYLTHIOPHENECARBOXYLATE BUTTPARK 27\06-40 2-CARBOMETHOXY-3-THIOPHENESULFONYL CHLORIDE 2-(METHOXYCARBONYL)-3-THIOPHENESULFONYL CHLORIDE 2-(METHOXYCARBONYL)THIOPHENE-3-SULFONYL CHLORIDE 2-(METHOXYCARBONYL)THIOPHENE-3-SULPHONYL CHLORIDE AKOS 206-07 3-(CHLOROSULFONYL)-2-THIOPHENECARBOXYLIC ACID METHYL ESTER RARECHEM AM UC 0124 3-Chlorosulfonyl amino-2-thiophencarboxylate 2-CARBOMETHOXY-3-THIOPHENESULFONYL CHLOR 2-(Methoxycarbonyl)thiophene-3-sulphonyl chloride 95% 2-Thiophenecarboxylicacid,3-(chlorosulfonyl)-,methylester(9CI) 3-CHLOROSULFONYL-2-THIOPHENECARBOXYLIC A 2-CARBOMETHOXY-3-THIOPHENESULFONYLCHLORIDE:3--2-MF:C6H5CLO4S2 3-chlorosulfonyl-4-methyl-2-thiophenecarboxylate 2-(Methoxycarbonyl)-3-thiophenesulf Methyl3-(Chlorosulfonyl)-2-thiophenecarboxylate> 2-Thiophenecarboxylic acid, 3-(chlorosulfonyl)-, methyl ester Methyl 3-chlorosulfonylthiophene-2-carboxylate ISO 9001:2015 REACH 4-Methyl 3-chlorosulfonylthiophene-2-carboxylate Lornoxicam Impurity G Tenoxicam Impurity 2 59337-92-7 C6H5ClO4S2 Thiophenes Heterocyclic Building Blocks Building Blocks Building Blocks C4 to C6 Chemical Synthesis Heterocyclic Building Blocks Heterocyclic Building Blocks Thiophenes Sulphonyl Chlorides Thiophenes & Benzothiophenes Building Blocks Heterocyclic Compounds SULFONYLHALIDE INTERMEDIATESOFTENOXICAM Sulphonyl Chlorides Thiophenes & Benzothiophenes