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21211-22-3

21211-22-3 Structure

21211-22-3 Structure
IdentificationMore
[Name]

3-CHLOROBENZO[B]THIOPHENE-2-CARBOXYLIC ACID
[CAS]

21211-22-3
[Synonyms]

3-CHLORO-1-BENZOTHIOPHENE-2-CARBOXYLIC ACID
3-CHLORO-2-BENZO[B]THIOPHENE CARBOXYLIC ACID
3-CHLOROBENZO[B]THIOPHENE-2-CARBOXYLIC ACID
3-CHLORO-BENZO[B]THIOPHENE CARBOXYLIC ACID
AKOS AU36-M200
AKOS B000001
AKOS BBB/202
ART-CHEM-BB B000001
ASISCHEM N48972
BUTTPARK 30\06-07
TIMTEC-BB SBB006950
3-CHLOROBENZO(B)THIOPHENE-2-CARBOXYLIC &
BENZO (B) THIOPHENE-2-CARBOXYLIC ACID, 3 CHLORO
3-Chlorobenzo[b]thiophene-2-carboxylic acid ,97%
[EINECS(EC#)]

626-897-4
[Molecular Formula]

C9H5ClO2S
[MDL Number]

MFCD00014579
[Molecular Weight]

212.65
[MOL File]

21211-22-3.mol
Chemical PropertiesBack Directory
[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
[pka]

2.27±0.30(Predicted)
[Detection Methods]

HPLC,NMR
[BRN ]

1425602
[CAS DataBase Reference]

21211-22-3(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xn,Xi
[Risk Statements ]

R22:Harmful if swallowed.
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
[WGK Germany ]

3
[Hazard Note ]

Irritant
[HazardClass ]

IRRITANT
[HS Code ]

29349990
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Thionyl chloride-->Hexane-->Pyridine-->Chlorobenzene-->trans-Cinnamic acid
Hazard InformationBack Directory
[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
Well-known Reagent Company Product InformationBack Directory
[Alfa Aesar]

3-Chlorobenzo[b]thiophene-2-carboxylic acid, 97%(21211-22-3)
[Sigma Aldrich]

21211-22-3(sigmaaldrich)
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