2-Oxobenzo[d][1,3]oxathiol-5-yl 4-chlorobenzoate CAS 337496-09-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 337496-09-0 |
| Molecular Formula | C14H7ClO4S |
| Molecular Weight | 306.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Oxobenzo[d][1,3]oxathiol-5-yl 4-chlorobenzoate (CAS 337496-09-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H7ClO4S. Molecular weight: 306.72 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H7ClO4S |
| Molecular Weight | 306.72 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Oxobenzo Standards
- 2-Oxobenzo[d][1,3]oxathiol-5-yl 2-chlorobenzoate (CAS 337354-84-4)
- 2-Oxobenzo[d][1,3]oxathiol-5-yl 3-chlorobenzoate (CAS 321974-22-5)
- 3-(2-Oxobenzo[d]oxazol-3(2H)-yl)-N-(thiophen-2-ylmethyl)propanamide (CAS 851988-93-7)
- 4-(2-(2-Oxobenzo[d]oxazol-3(2H)-yl)acetamido)benzoic acid (CAS 701238-10-0)
- 3-(4-Oxobenzo[d][1,2,3]triazin-3(4H)-yl)-N-(thiophen-2-ylmethyl)propanamide (CAS 440331-67-9)
- ((S)-2-(4-Oxobenzo[d][1,2,3]triazin-3(4H)-yl)propanoyl)-L-valine (CAS 1173678-23-3)
- 3-(2-Oxobenzo[d]thiazol-3(2H)-yl)-N-(thiophen-2-ylmethyl)propanamide (CAS 851989-71-4)
- Ethyl 2-(2-(3-oxobenzo[d]isothiazol-2(3H)-yl)thiazol-4-yl)acetate (CAS 378197-09-2)
Recommended Standards
- 3-{5-chloro-2-[(4-fluorophenyl)methoxy]phenyl}prop-2-enoic acid (CAS 938278-28-5)
- 3-Chloro-3-(1,3-dioxolan-2-yl)-4-fluorobenzophenone (CAS 898759-22-3)
- 2-Chloro-4-(1,3-dioxolan-2-yl)-4-fluorobenzophenone (CAS 898760-60-6)
- 3,4-Dimethoxyphenethyl ethyl oxalate (CAS 1443353-71-6)
- Phenobarbital-d5 1-Butyric Acid (CAS 1189989-93-2)
- (Z)-N'-Amino-3-chloropyridine-4-carboximidamide (CAS 1564031-40-8)
- 1-(5-Aminoindolin-1-yl)-2-methylpropan-1-one (CAS 1018508-06-9)
- 2-Methoxy-6-(piperidin-4-yloxy)pyridine dihydrochloride (CAS 1774905-06-4)
- 2-Amino-1-(9-chloro-3,4-dihydro-2h-benzo[b][1,4]dioxepin-7-yl)ethan-1-ol (CAS 1094225-63-4)
- Human glucagon CRS (CAS 9007-92-5)
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