5-Acetyl-2-hydroxybenzene-1-sulfonyl chloride CAS 66264-54-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 66264-54-8 |
| Molecular Formula | C8H7ClO4S |
| Molecular Weight | 234.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Acetyl-2-hydroxybenzene-1-sulfonyl chloride (CAS 66264-54-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H7ClO4S. Molecular weight: 234.66 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H7ClO4S |
| Molecular Weight | 234.66 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.) | 1975 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Acetyl Standards
- 5-Hydroxybenzene-1,2,3-tricarboxylic acid (CAS 6274-40-4)
- 5-Hydroxybenzene-1,2,4-tricarboxylic acid (CAS 4961-03-9)
- 3-Hydroxybenzene-1,2-disulfonamide (CAS 1243286-48-7)
- 2-Hydroxybenzene-1,3-disulfonamide (CAS 1243476-10-9)
- 4-Hydroxybenzene-1,3-disulfonamide (CAS 876487-13-7)
- 3-Acetyl-4-hydroxybenzene-1-sulfonamide (CAS 136081-47-5)
- 4-Hydroxybenzene-1,3-disulfonic acid (CAS 96-77-5)
- 3-Hydroxybenzene-1-sulfonyl chloride (CAS 56157-93-8)
Recommended Standards
- 5-(Chlorosulfonyl)-2-methylbenzoic acid (CAS 89001-57-0)
- 5-Chloro-2-(methylsulfonyl)benzoic acid (CAS 720689-28-1)
- 4-Ureidobenzene-1-sulfonyl chloride (CAS 40685-78-7)
- Methyl [2,2'-bipyridine]-6-carboxylate (CAS 203573-76-6)
- 4-(1-Methyl-1,2,3,6-tetrahydropyridin-4-yl)phenol (CAS 5233-54-5)
- 1-Ethyl-6,8-difluoro-2-methylquinolin-4(1H)-one (CAS 1210975-11-3)
- 7-ethyl-6,7-dihydro-5H-pyrazolo[1,5-a]pyridin-4-one (CAS 2489783-91-5)
- (S)-7-(3-Aminopyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-8-hydroxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 178174-16-8)
- 2-(4-Chlorophenoxy)-N-((1-(thiophen-2-ylmethyl)piperidin-4-yl)methyl)acetamide (CAS 954022-34-5)
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