5-Chloro-4-methoxy-thiophene-3-carbonyl chloride CAS 175137-49-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 175137-49-2 |
| Molecular Formula | C6H4Cl2O2S |
| Molecular Weight | 211.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloro-4-methoxy-thiophene-3-carbonyl chloride (CAS 175137-49-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H4Cl2O2S. Molecular weight: 211.07 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H4Cl2O2S |
| Molecular Weight | 211.07 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2007 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chloro Standards
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Recommended Standards
- Methyl 2,5-dichlorothiophene-3-carboxylate (CAS 145129-54-0)
- 5-(2-Thiazolyl)thiophene-2-boronic acid (CAS 1872434-79-1)
- 2-(3-azidopropyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 144266-69-3)
- 8-Methyl-[1,2,4]triazolo[4,3-c]pyrimidin-5-ol (CAS 452323-85-2)
- 7-Chloro-3-methoxy-4-methyl-4H-benzo[e][1,2,4]thiadiazine 1,1-dioxide (CAS 1000575-90-5)
- 2-(3-Formyl-1H-pyrrol-1-yl)benzonitrile (CAS 156496-63-8)
- Quininone (CAS 84-31-1)
- 2-Chloro-n-cyclopropyl-n-[(2-fluorophenyl)methyl]acetamide (CAS 874595-08-1)
- 1,7-Dihydro-2-methyl-4H-pyrrolo[2,3-d]pyrimidin-4-one (CAS 89792-11-0)
- Pancreatic Polypeptide (bovine) (CAS 179986-89-1)
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