3-CHLOROBENZO[B]THIOPHENE-2-CARBOXYLIC ACID
- CAS NO.：21211-22-3
- Empirical Formula: C9H5ClO2S
- Molecular Weight: 212.65
- MDL number: MFCD00014579
- EINECS: 626-897-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-07-04 16:04:00
![3-CHLOROBENZO[B]THIOPHENE-2-CARBOXYLIC ACID Structural](https://img.chemicalbook.in/CAS/GIF/21211-22-3.gif)
What is 3-CHLOROBENZO[B]THIOPHENE-2-CARBOXYLIC ACID?
Chemical properties
White solid
The Uses of 3-CHLOROBENZO[B]THIOPHENE-2-CARBOXYLIC ACID
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
Properties of 3-CHLOROBENZO[B]THIOPHENE-2-CARBOXYLIC ACID
| 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 |
| CAS DataBase Reference | 21211-22-3(CAS DataBase Reference) |
Safety information for 3-CHLOROBENZO[B]THIOPHENE-2-CARBOXYLIC ACID
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P501:Dispose of contents/container to..… |
Computed Descriptors for 3-CHLOROBENZO[B]THIOPHENE-2-CARBOXYLIC ACID
New Products
Indole Methyl Resin tert-butyl 9-methoxy-3-azaspiro[5.5]undecane-3-carboxylate Boc-His(Boc)-OH 2-CTC Resin 4-Chloro-7-tosy1-7Hpyrrolo[2,3-d]pyrimidine 5,7-Dibromo-1H-indole 2,5-dichloro-N-hydroxy-4,6-dimethylpyridine-3-carboximidamide 2,2-Dimethoxy-7-azaspiro[3.5]nonane hydrochloride 4-chloromethyl-5-methyl-1,3-dioxol-2-one (DMDO-Cl) R-2-BENZYLOXY PROPIONIC ACID 1,1’-CARBONYLDIIMIDAZOLE 1,1’-CARBONYLDI (1,2-4 TRIAZOLE) N-METHYL INDAZOLE-3-CARBOXYLIC ACID 4-((2-hydroxyethyl)thio)benzoic acid 1-(TERT-BUTOXYCARBONYL)-2-PYRROLIDINONE Methyl 6-methylnicotinate 3-Pyridineacrylic acid tert-Butyl carbazate TETRAHYDRO-2H-PYRAN-3-OL 2-((4-morpholinophenylamino) (methylthio) methylene) malononitrile 3-(4-morpholinophenylamino)-5-amino-1H-pyrazole-4-carbonitrile 2,4-dihydroxybenzaldehyde 1,3-Diethyl-1,3-Diphenylurea Methyl 2-methylquinoline-6-carboxylateRelated products of tetrahydrofuran
![METHYL 3-CHLORO-6-METHOXYBENZO[B]THIOPHENE-2-CARBOXYLATE](https://img.chemicalbook.in/StructureFile/ChemBookStructure3/GIF/CB1230019.gif)
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