3-Chlorobenzo[b]thiophene-2-carboxylic acid
![3-Chlorobenzo[b]thiophene-2-carboxylic acid price.](/CAS/GIF/21211-22-3.gif)
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- $10 - $1638
- Product name: 3-Chlorobenzo[b]thiophene-2-carboxylic acid
- CAS: 21211-22-3
- MF: C9H5ClO2S
- MW: 212.65
- EINECS:626-897-4
- MDL Number:MFCD00014579
- Synonyms: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
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Brand
- aablocks
- ACHEMBLOCK
- Acints
- Advanced Chemicals Intermediat
- AHH
- AK Scientific
- Alichem
- American Custom Chemicals Corporation
- Apolloscientific
- Arctom
- Aronis compounds
- Biosynth
- ChemBridge Corporation
- Chemenu
- Chem-Impex
- Crysdot
- Frontier Specialty Chemicals
- Heterocyclics
- Matrix Scientific
- Sigma-Aldrich
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Package
- 100mg
- 0.5G
- 500mg
- 1g
- 2g
- 5g
- 5.00g
- 10g
- 25.00g
- 25g
- 50g
- 100G
- 100.00g
- Manufactureraablocks
- Product numberAA003J7O
- Product description3-Chlorobenzo[b]thiophene-2-carboxylic acid 98%
- Packaging1g
- Price$16
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA003J7O
- Product description3-Chlorobenzo[b]thiophene-2-carboxylic acid 98%
- Packaging5g
- Price$40
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA003J7O
- Product description3-Chlorobenzo[b]thiophene-2-carboxylic acid 98%
- Packaging25g
- Price$136
- Updated2026-05-28
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- ManufacturerACHEMBLOCK
- Product numberT89869
- Product description3-chlorobenzo[b]thiophene-2-carboxylic acid 97%
- Packaging25G
- Price$235
- Updated2026-05-27
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- ManufacturerACHEMBLOCK
- Product numberT89869
- Product description3-chlorobenzo[b]thiophene-2-carboxylic acid 97%
- Packaging100G
- Price$770
- Updated2026-05-27
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- ManufacturerAcints
- Product numberACI-02696
- Product description3-Chloro-benzo[b]thiophene-2-carboxylic acid 95%+
- Packaging10g
- Price$93.15
- Updated2026-05-20
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- ManufacturerAdvanced Chemicals Intermediat
- Product numberACI-02696
- Product description3-Chloro-benzo[b]thiophene-2-carboxylic acid 95%+
- Packaging10g
- Price$93.15
- Updated2026-05-19
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- ManufacturerAHH
- Product numberMT-04785
- Product description3-Chlorobenzo[b]thiophene-2-carboxylic acid 97%
- Packaging50g
- Price$755
- Updated2026-05-26
- Buy
- ManufacturerAK Scientific
- Product numberZ2721
- Product description3-Chlorobenzo[b]thiophene-2-carboxylic Acid
- Packaging1g
- Price$70
- Updated2021-12-16
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- ManufacturerAlichem
- Product number21211223
- Product description3-Chlorobenzo[b]thiophene-2-carboxylic Acid
- Packaging100g
- Price$528.52
- Updated2021-12-16
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- ManufacturerAmerican Custom Chemicals Corporation
- Product numberHCH0034664
- Product description3-CHLOROBENZO[B]THIOPHENE-2-CARBOXYLIC ACID 95.00%
- Packaging0.5G
- Price$638
- Updated2021-12-16
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- ManufacturerAmerican Custom Chemicals Corporation
- Product numberHCH0034664
- Product description3-CHLOROBENZO[B]THIOPHENE-2-CARBOXYLIC ACID 95.00%
- Packaging1G
- Price$693
- Updated2021-12-16
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- ManufacturerAmerican Custom Chemicals Corporation
- Product numberHCH0034664
- Product description3-CHLOROBENZO[B]THIOPHENE-2-CARBOXYLIC ACID 95.00%
- Packaging5G
- Price$1155
- Updated2021-12-16
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- ManufacturerApolloscientific
- Product numberOR1273
- Product description3-Chloro-benzo[b]thiophene carboxylic acid >98%
- Packaging100g
- Price$617
- Updated2026-06-04
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- ManufacturerApolloscientific
- Product numberOR1273
- Product description3-Chloro-benzo[b]thiophene carboxylic acid >98%
- Packaging5g
- Price$55
- Updated2026-06-04
- Buy
- ManufacturerApolloscientific
- Product numberOR1273
- Product description3-Chloro-benzo[b]thiophene carboxylic acid >98%
- Packaging1g
- Price$21
- Updated2026-06-04
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA003J7O | 3-Chlorobenzo[b]thiophene-2-carboxylic acid 98% | 1g | $16 | 2026-05-28 | Buy |
| aablocks | AA003J7O | 3-Chlorobenzo[b]thiophene-2-carboxylic acid 98% | 5g | $40 | 2026-05-28 | Buy |
| aablocks | AA003J7O | 3-Chlorobenzo[b]thiophene-2-carboxylic acid 98% | 25g | $136 | 2026-05-28 | Buy |
| ACHEMBLOCK | T89869 | 3-chlorobenzo[b]thiophene-2-carboxylic acid 97% | 25G | $235 | 2026-05-27 | Buy |
| ACHEMBLOCK | T89869 | 3-chlorobenzo[b]thiophene-2-carboxylic acid 97% | 100G | $770 | 2026-05-27 | Buy |
| Acints | ACI-02696 | 3-Chloro-benzo[b]thiophene-2-carboxylic acid 95%+ | 10g | $93.15 | 2026-05-20 | Buy |
| Advanced Chemicals Intermediat | ACI-02696 | 3-Chloro-benzo[b]thiophene-2-carboxylic acid 95%+ | 10g | $93.15 | 2026-05-19 | Buy |
| AHH | MT-04785 | 3-Chlorobenzo[b]thiophene-2-carboxylic acid 97% | 50g | $755 | 2026-05-26 | Buy |
| AK Scientific | Z2721 | 3-Chlorobenzo[b]thiophene-2-carboxylic Acid | 1g | $70 | 2021-12-16 | Buy |
| Alichem | 21211223 | 3-Chlorobenzo[b]thiophene-2-carboxylic Acid | 100g | $528.52 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | HCH0034664 | 3-CHLOROBENZO[B]THIOPHENE-2-CARBOXYLIC ACID 95.00% | 0.5G | $638 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | HCH0034664 | 3-CHLOROBENZO[B]THIOPHENE-2-CARBOXYLIC ACID 95.00% | 1G | $693 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | HCH0034664 | 3-CHLOROBENZO[B]THIOPHENE-2-CARBOXYLIC ACID 95.00% | 5G | $1155 | 2021-12-16 | Buy |
| Apolloscientific | OR1273 | 3-Chloro-benzo[b]thiophene carboxylic acid >98% | 100g | $617 | 2026-06-04 | Buy |
| Apolloscientific | OR1273 | 3-Chloro-benzo[b]thiophene carboxylic acid >98% | 5g | $55 | 2026-06-04 | Buy |
| Apolloscientific | OR1273 | 3-Chloro-benzo[b]thiophene carboxylic acid >98% | 1g | $21 | 2026-06-04 | Buy |
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)
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)
Safety Information
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| Signal word: | Warning | ||||||||||||||
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Description
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 POCl32-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 diimidazoleRelated product price
-
527-72-0
$5-4228.78 -
21211-22-3
$10-1638 -
21815-91-8
$12-1027.26