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ChemicalBook >> CAS DataBase List >>3-Chlorobenzo[b]thiophene-2-carboxylic acid

3-Chlorobenzo[b]thiophene-2-carboxylic acid

3-Chlorobenzo[b]thiophene-2-carboxylic acid Structure
3-Chlorobenzo[b]thiophene-2-carboxylic acid structure
CAS No.
21211-22-3
Chemical Name:
3-Chlorobenzo[b]thiophene-2-carboxylic acid
Synonyms
AKOS B000001;AKOS BBB/202;AKOS AU36-M200;ASISCHEM N48972;BUTTPARK 30\06-07;TIMTEC-BB SBB006950;ART-CHEM-BB B000001;3-CHLOROBENZO(B)THIOPHENE-2-CARBOXYLIC &;3-chloro-2-benzothiophenecarboxylic acid;3-Chlorobenzothiophene-2-carboxylic acid
CBNumber:
CB5469330
Molecular Formula:
C9H5ClO2S
Molecular Weight:
212.65
MDL Number:
MFCD00014579
MOL File:
21211-22-3.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-12 18:53:33
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3-Chlorobenzo[b]thiophene-2-carboxylic acid Properties

Melting point 268-272 °C(lit.)
Boiling point 395.1±22.0 °C(Predicted)
Density 1.546±0.06 g/cm3(Predicted)
storage temp. Keep in dark place,Sealed in dry,Room Temperature
form powder to crystal
pka 2.27±0.30(Predicted)
color White to Light yellow
BRN 1425602
InChI 1S/C9H5ClO2S/c10-7-5-3-1-2-4-6(5)13-8(7)9(11)12/h1-4H,(H,11,12)
InChIKey HJTMIYKPPPYDRJ-UHFFFAOYSA-N
SMILES OC(=O)c1sc2ccccc2c1Cl
CAS DataBase Reference 21211-22-3(CAS DataBase Reference)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302
Precautionary statements  P264-P270-P301+P312-P501
PPE dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes  Xn,Xi
Risk Statements  22
Safety Statements  26-36
WGK Germany  3
HazardClass  IRRITANT
HS Code  29349990
Storage Class 11 - Combustible Solids
Hazard Classifications Acute Tox. 4 Oral
NFPA 704
0
2 0

3-Chlorobenzo[b]thiophene-2-carboxylic acid price More Price(58)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 592862 3-Chloro-benzo[b]thiophene-2-carboxylic acid 97% 21211-22-3 1g $61.1 2023-06-20 Buy
Sigma-Aldrich 592862 3-Chloro-benzo[b]thiophene-2-carboxylic acid 97% 21211-22-3 5g $130 2023-06-20 Buy
TCI Chemical C2444 3-Chlorobenzo[b]thiophene-2-carboxylic Acid >98.0%(GC)(T) 21211-22-3 1g $136 2023-06-20 Buy
TCI Chemical C2444 3-Chlorobenzo[b]thiophene-2-carboxylic Acid >98.0%(GC)(T) 21211-22-3 5g $657 2023-06-20 Buy
Usbiological 270444 3-Chlorobenzo[b]thiophene-2-carboxylic acid Asreported 21211-22-3 1g $319 2026-06-03 Buy
Product number Packaging Price Buy
592862 1g $61.1 Buy
592862 5g $130 Buy
C2444 1g $136 Buy
C2444 5g $657 Buy
270444 1g $319 Buy

3-Chlorobenzo[b]thiophene-2-carboxylic acid Chemical Properties, Uses, Production

Chemical Properties

White solid

Uses

3-Chloro-benzo[b]thiophene-2-carboxylic acid may be used in the synthesis of the following:

  • 5-(3-chlorobenzo[b]thiophen-2-yl)-1,3,4-thiadiazol-2-ylamine via condensation with thiosemicarbazide in the presence of POCl3
  • 2-benzo[b]thiophen-2-yl-6-methylbenzo[d][1;3]oxazi-4-one via reaction with 2-amino-5-methyl-benzoic acid in the presence of carbonyl diimidazole

3-Chlorobenzo[b]thiophene-2-carboxylic acid Preparation Products And Raw materials

Raw materials

Hexane Chlorobenzene trans-Cinnamic acid Pyridine Thionyl chloride

Preparation Products

3-Chlorobenzo[b]thiophene-2-carboxylic acid Suppliers

Global Suppliers ( 176)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Wuhan Chemwish Technology Co., Ltd 86-027-67849912 sales@chemwish.com China 35884 56
Capot Chemical Co., Ltd +86 (0) 571 85 58 67 18 China 18187 66
Shanghai Sinch Parmaceuticals Tech. Co. Ltd. +86-21-54098501 sales@sinch.com.cn China 11592 64
Nanjing Habo Medical Technology Co., Ltd. 13376080562 13376090521 sales@habotech.com China 724 60
Nanjing Chemlin Chemical Co., Ltd 025-83697070 13770331960 info@chemlin.com.cn China 16305 64
Heterochem 027-88041443 13072715837 sales@hetero-chem.com China 695 58
Supplier Advantage
J & K SCIENTIFIC LTD. 76
Alfa Aesar 84
TCI (Shanghai) Development Co., Ltd. 81
Energy Chemical 61
Wuhan Chemwish Technology Co., Ltd 56
Capot Chemical Co., Ltd 66
Shanghai Sinch Parmaceuticals Tech. Co. Ltd. 64
Nanjing Habo Medical Technology Co., Ltd. 60
Nanjing Chemlin Chemical Co., Ltd 64
Heterochem 58

View Latest Price from 3-Chlorobenzo[b]thiophene-2-carboxylic acid manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
3-CHLOROBENZO[B]THIOPHENE-2-CARBOXYLIC ACID pictures 2026-08-20 3-CHLOROBENZO[B]THIOPHENE-2-CARBOXYLIC ACID
21211-22-3
 $1.10 1g 99.00% 100 Tons Dideu Industries Group Limited
3-CHLOROBENZO[B]THIOPHENE-2-CARBOXYLIC ACID pictures 2019-12-25 3-CHLOROBENZO[B]THIOPHENE-2-CARBOXYLIC ACID
21211-22-3
 $2.00 1KG 98%min Career Henan Chemical Co

3-Chlorobenzo[b]thiophene-2-carboxylic acid Spectrum

3-CHLOROBENZO[B]THIOPHENE-2-CARBOXYLIC ACID(21211-22-3)1HNMR

21211-22-3 (3-Chlorobenzo[b]thiophene-2-carboxylic acid) Related Search:

2-Thiophenecarboxylic acid 3-Chlorobenzo[b]thiophene-2-carboxylic acid 3-Chlorobenzo[b]thiophene-2-carbonyl chloride Methyl 3-chlorobenzo[b]thiophene-2-carboxylate 5-Chloro-benzo[b]thiophene-3-carboxylic acid
3-Chloro-6-methylbenzo(b)thiophene-2-ca& 3-Chloro-6-methoxybenzo[b]thiophene-2-carboxylicacid 6-(4-bromophenoxy)-3-chlorobenzo[b]thiophene-2-carboxylic acid 3,6-Dichloro-benzo[b]thiophene-2-carboxylic acid Methyl 3-chloro-6-methoxybenzo[b]thiophene-2-carboxylate
3,7-Dichloro-6-methoxy-benzo[b]thiophene-2-carboxylic acid Methyl 3-chloro-6-fluorobenzo(b)thiophe& Methyl 3-chloro-6-methylbenzo(b)thiophe& Methyl 3 6-dichlorobenzo(b)thiophene-2-& 3,4-Dichloro-1-benzothiophene-2-carboxylic acid
3-Chloro-6-fluorobenzo(b)thiophene-2-ca& 7-Chloro-1-benzothiophene-2-carboxylic acid 6-Chloro-1-benzothiophene-2-carboxylic acid

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3-CHLORO-1-BENZOTHIOPHENE-2-CARBOXYLIC ACID 3-CHLORO-2-BENZO[B]THIOPHENE CARBOXYLIC ACID AKOS BBB/202 AKOS B000001 AKOS AU36-M200 3-CHLOROBENZO(B)THIOPHENE-2-CARBOXYLIC & BUTTPARK 30\06-07 ART-CHEM-BB B000001 ASISCHEM N48972 TIMTEC-BB SBB006950 3-chloro-1-benzothiophene-2-carboxylic acid(SALTDATA: FREE) 3-Chloro-benzo[b]thiophene-2-carboxylic acid 97% 3-chloro-2-benzothiophenecarboxylic acid BENZO (B) THIOPHENE-2-CARBOXYLIC ACID, 3 CHLORO 3-Chlorobenzo[b]thiophene-2-carboxylic acid ,97% 3-Chlorobenzothiophene-2-carboxylic acid JR-6477, 3-Chlorobenzo[b]thiophene-2-carboxylic acid, 97% 3-CHLORO-BENZO[B]THIOPHENE CARBOXYLIC ACID 3-Chlorobenzo[b]thiophene-2-carboxylic Acid > 3-CHLOROBENZO[B]THIOPHENE-2-CARBOXYLIC ACID ISO 9001：2015 REACH 3-Chloro-benzo[b]thiophene-2-carboxylic acid 3-chloro-1-benzothiophene-2-carboxylic acid - [C22317] 3-Chlorobenzo[b]thiophen-2-carboxylic acid 3-Chlorobenzo[b]thiophene-2-carboxylic acid 21211-22-3 Benzothiophenes Building Blocks Heterocyclic Building Blocks Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts Benzothiophenes BenzothiophenesHeterocyclic Building Blocks Building Blocks Halogenated Heterocycles Heterocyclic Building Blocks