tert-Butyl 4,5-dichloro-3-hydroxythiophene-2-carboxylate CAS 2166761-04-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2166761-04-0 |
| Molecular Formula | C9H10Cl2O3S |
| Molecular Weight | 269.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
tert-Butyl 4,5-dichloro-3-hydroxythiophene-2-carboxylate (CAS 2166761-04-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H10Cl2O3S. Molecular weight: 269.14 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H10Cl2O3S |
| Molecular Weight | 269.14 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), 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; Hygroscopic; reseal immediately after opening; 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.) | 1998 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Recommended Standards
- N-Cyclopentyl 5-bromopicolinamide (CAS 845305-91-1)
- 1-(TERT-BUTOXYCARBONYL)-1H-INDOL-2-YL-2-BORONIC ACID 1-(TERT-BUTOXYCARBONYL)-1H-INDOL-2-YLBORONIC ACID 1-(TERT-BUTOXYCARBONYL)-1H-INDOLE-2-BORONIC ACID 1-(TERT-BUTOXYCARBONYL)INDOL-2-YLBORONIC ACID 1-(TERT-BUTOXYCARBONYL)INDOLE-2-BORONIC ACID 1-BOC-1H-INDOLE-2-BORONIC ACID 1-BOC-2-INDOLEBORONIC ACID 1-BOC-INDOLE-2-BORONIC ACID 1-N-BOC-INDOLE-2-BORONIC ACID 1-T-BUTOXYCARBONYLINDOLE-2-BORONIC ACID 1-TERT-BUTYLOXYCARBONYL-INDOL-2-BORONIC ACID 1H-INDOLE-1-CARBOXYLIC ACID, 2-BORONO-, 1,1-DIMETHYLETHYL ESTER 1H-INDOLE-1-CARBOXYLIC ACID, 2-BORONO-, 1-(1,1-DIMETHYLETHYL) ESTER 1H-INDOLE-2-BORONIC ACID, N-BOC PROTECTED 2-BORONIC ACID-1-CARBOXYLIC ACID TERTBUTYL ESTER-INDOLE 213318-44-6 BC001353 BESTIPHARMA 114-625 INDOLE-2-BORONIC ACID, N-BOC PROTECTED N-(TERT-BUTOXYCARBONYL)-1H-INDOLE-2-BORONIC ACID N-(TERT-BUTOXYCARBONYL)-2-INDOLEBORONIC ACID N-(TERT-BUTOXYCARBONYL)INDOLE-2-BORONIC ACID N-BOC-1-INDOLEBORONIC ACID N-BOC-2-INDOLE BORONIC ACID N-BOC-INDOL-2-YL BORONIC ACID N-BOC-INDOLE-2-BORONIC ACID [N-(TERT-BUTOXYCARBONYL)INDOL-2-YL]BORONIC ACID (CAS 213318-44-6)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com