3-chlorobenzo[b]thiophene-2-carboxylic acid
3-氯苯并[b]噻吩-2-甲酸
Also known as: 3-chloro-1-benzothiophene-2-carboxylic acid, 3-chloro-2-benzo[b]thiophene carboxylic acid, 3-chlorobenzo(b)thiophene-2-carboxylic acid, 3-chlorobenzo[b]-2-thiophenecarboxylic acid, 3-chlorobenzo[b]thiophene-2-carboxylic Acid, AKOS AU36-M200, AKOS B000001, AKOS BBB/202, ART-CHEM-BB B000001, BUTTPARK 30\06-07, Benzo[b]thiophene-2-carboxylic acid, 3-chloro-, MFCD00014579
- CAS No.
- 21211-22-3
- Jingsj CID
- J-32318-7
- Molecular Formula
- C9H5ClO2S
- Chinese Name
- 3-氯苯并[b]噻吩-2-甲酸
- Molecular Weight
- 212.653 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 268-272 °C(lit.) |
|---|---|
| Boiling Point | 395.1±22.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 192.8±22.3 °C |
GHS Safety & Compliance
IrritantSignal word: Warning
Frequently Asked Questions
What is the CAS number of 3-chlorobenzo[b]thiophene-2-carboxylic acid?
21211-22-3
What are the molecular formula and molecular weight of 3-chlorobenzo[b]thiophene-2-carboxylic acid?
C9H5ClO2S, molecular weight 212.653 g/mol
Is 3-chlorobenzo[b]thiophene-2-carboxylic acid hazardous?
Warning
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026