Methyl 5-(chlorosulfonyl)-2-hydroxybenzoate CAS 60638-81-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 60638-81-5 |
| Molecular Formula | C8H7ClO5S |
| Molecular Weight | 250.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 5-(chlorosulfonyl)-2-hydroxybenzoate (CAS 60638-81-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H7ClO5S. Molecular weight: 250.66 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H7ClO5S |
| Molecular Weight | 250.66 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.) | 1974 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Methyl Standards
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- 5-(Chlorosulfonyl)-2-hydroxy-4-methylbenzoic acid (CAS 926270-90-8)
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Recommended Standards
- 5-chloro-2-methyl-4-nitrobenzene-1-sulfonamide (CAS 23454-13-9)
- Methyl 5-chloro-2-(methylsulfonyl)pyrimidine-4-carboxylate (CAS 79685-41-9)
- 5-Chloro-2-(ethylsulfonyl)pyrimidine-4-carboxylic acid (CAS 890587-32-3)
- Amyloid b/A4 Protein Precursor770 (403-407) (H-1608.0025) (CAS 148914-08-3)
- (R)-tert-butyl 2-(5-bromopyridin-3-yl)pyrrolidine-1-carboxylate (CAS 2070009-68-4)
- 4-Cyano-2-ethyl-5-hydroxybenzene-1-sulfonyl chloride (CAS 1805141-42-7)
- 2-((4-Iodophenoxy)methyl)piperidine (CAS 1247605-01-1)
- 2-[2-(7-Diethylamino-2-oxo-2H-chromen-3-yl)-ethyl]-6-methoxy-benzoic acid methyl ester (CAS 365542-81-0)
- 2,5-Difluoro-4-propoxybenzaldehyde (CAS 883540-62-3)
- Insulin Degludec Impurity 1 (CAS 843666-26-2)
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