2,4-Dichlorothiophene-3-carboxylic acid CAS 1934940-61-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1934940-61-0 |
| Molecular Formula | C5H2Cl2O2S |
| Molecular Weight | 197.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,4-Dichlorothiophene-3-carboxylic acid (CAS 1934940-61-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H2Cl2O2S. Molecular weight: 197.04 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H2Cl2O2S |
| Molecular Weight | 197.04 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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 |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Dichlorothiophene Standards
- 4,5-Dichlorothiophene-3-carboxylic acid (CAS 123418-70-2)
- 3-Acetyl-2,5-dichlorothiophene (CAS 36157-40-1)
- 2,5-dichlorothiophene-3-carbaldehyde (CAS 61200-60-0)
- 3,4-Dichlorothiophene 1,1-dioxide (CAS 52819-14-4)
- 3,5-Dichlorothiophene-2,4-dicarbaldehyde (CAS 1823800-83-4)
- 2,5-Dichlorothiophene-3,4-dicarbaldehyde (CAS 55581-76-5)
- 4,5-Dichlorothiophene-2,3-dicarbaldehyde (CAS 89465-82-7)
- Methyl 2,5-dichlorothiophene-3-carboxylate (CAS 145129-54-0)
Recommended Standards
- 3,4-Dichloroisothiazole-5-carboxylic acid amide (CAS 18480-55-2)
- (1-(3-(Dimethylamino)propyl)-1H-pyrazol-4-yl)boronic acid (CAS 847818-60-4)
- 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-4,5-dihydroisoxazole (CAS 1446105-21-0)
- Methyl 2-fluoro-3-methoxyacrylate (CAS 834883-98-6)
- 1h-Indole-3-carboximidamide (CAS 764600-87-5)
- Methyl 4-(chlorosulfonyl)-1,2,5-trimethyl-1h-pyrrole-3-carboxylate (CAS 306936-33-4)
- 2-Fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzenesulfonamide (CAS 1417984-77-0)
- (2-Bromo-6-(trifluoromethyl)phenyl)methanol (CAS 1214350-24-9)
- Cloxacillin Impurity 39 (CAS CATO-C4X-159739)
- Anxiety Peptide (CAS 95237-86-8)
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