7-Oxo-4,5,6,7-tetrahydrobenzo[b]thiophene-2-carboxylic acid CAS 1239955-68-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1239955-68-0 |
| Molecular Formula | C9H8O3S |
| Molecular Weight | 196.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Oxo-4,5,6,7-tetrahydrobenzo[b]thiophene-2-carboxylic acid (CAS 1239955-68-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H8O3S. Molecular weight: 196.22 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H8O3S |
| Molecular Weight | 196.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Sulfur Atoms | 1 |
Related Oxo Standards
- 7-Oxo-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid (CAS 96334-46-2)
- 2-(4,5,6,7-Tetrahydrobenzo[b]thiophen-4-yl)acetic acid (CAS 119136-63-9)
- 5-Methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-2-carboxylic acid (CAS 588698-05-9)
- 6-Methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-2-carboxylic acid (CAS 900137-02-2)
- 6-Methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid (CAS 438213-69-5)
- Methyl 4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (CAS 92315-47-4)
- Methyl 4,5,6,7-tetrahydrobenzo[c]thiophene-1-carboxylate (CAS 6435-72-9)
- N-(4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)acetamide (CAS 58702-38-8)
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