7-chloro-2-methyl-2,3-dihydro-1-benzofuran-5-sulfonyl chloride CAS 1334146-20-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1334146-20-1 |
| Molecular Formula | C9H8Cl2O3S |
| Molecular Weight | 267.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 7-chloro-2-methyl-2,3-dihydro-1-benzofuran-5-sulfonyl chloride (CAS 1334146-20-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H8Cl2O3S. Molecular weight: 267.13 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C9H8Cl2O3S |
| Molecular Weight | 267.13 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related chloro Standards
- 2-Chloro-5-propanoylbenzene-1-sulfonyl chloride (CAS 1152589-92-8)
- 2-Chloro-5-(2-oxopropyl)benzenesulfonyl chloride (CAS 593960-71-5)
- 6-Chloro-3-(chloromethyl)-3,4-dihydro-2H-benzo[e][1,2,4]thiadiazine 1,1-dioxide (CAS 847997-88-0)
- 4-Chloro-1-[4-(chloromethyl)phenoxy]-2-methylbenzene (CAS 1039962-36-1)
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- 5-Chloro-1-benzothiophene-3-sulfonyl chloride (CAS 1158208-47-9)
- 6-Chloro-2-(4-chlorophenyl)benzoic acid (CAS 1261921-15-6)
- 2-Chloro-4-(3-chlorophenyl)benzoic Acid (CAS 1261981-20-7)
Recommended Standards
- (2-((3,4-Dihydroquinolin-1(2H)-yl)methyl)phenyl)boronic acid (CAS 1332336-18-1)
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- 3,4,5,6,7,8-Hexafluoro-1-methoxyisoquinoline (CAS 13180-44-4)
- 1-(4-Chloro-2-fluorobenzoyl)piperazine (CAS 926227-66-9)
- 1-(1,5-Dimethyl-1H-pyrazol-4-yl)-N-((1-isobutyl-1H-pyrazol-5-yl)methyl)methanamine hydrochloride (CAS 1856028-02-8)
- 1-(2,3-Dichloropyridin-4-yl)-2,2,2-trifluoroethanone (CAS 1375303-08-4)
- 1285975-65-6 Demelverine-d10 Hydrochloride (CAS 1285975-65-6)
- 4,4’-Dihydroxybenzophenone (CAS 611-99-4)
- 4-Isobutoxy-3-methoxybenzoyl chloride (CAS 3535-40-8)
- Tirzepatide Impurity 61 (CAS CATO-C4X-324061)
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