Methyl 3-chloro-5-methoxybenzo[b]thiophene-2-carboxylate CAS 41280-81-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 41280-81-3 |
| Molecular Formula | C11H9ClO3S |
| Molecular Weight | 256.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 3-chloro-5-methoxybenzo[b]thiophene-2-carboxylate (CAS 41280-81-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C11H9ClO3S. Molecular weight: 256.71 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C11H9ClO3S |
| Molecular Weight | 256.71 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Methyl Standards
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Recommended Standards
- Ethyl 5-chloro-3-hydroxybenzo[b]thiophene-2-carboxylate (CAS 33851-24-0)
- methyl 4-chloro-2,5-dimethylthieno[2,3-d]pyrimidine-6-carboxylate (CAS 872319-75-0)
- Ethyl 4-chloro-3-hydroxybenzo[b]thiophene-2-carboxylate (CAS 2167799-55-3)
- 3-Chloroanisole (CAS 2845-89-8)
- 2-amino-1-[1-(propan-2-yl)-1H-pyrazol-4-yl]ethan-1-one dihydrochloride (CAS 2059950-46-6)
- Homoegonol (CAS 17375-66-5)
- 5-(Sec-Butylthio)-1,3,4-thiadiazol-2-amine (CAS 33313-08-5)
- 4-(phenylmethylidene)piperidine (CAS 164650-58-2)
- 1-Nitroso-1-Phenylhydrazine (CAS 614-01-7)
- (Leu31,Pro3?)-Neuropeptide Y (human, rat) trifluoroacetate salt (CAS 132699-73-1)
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