(S)-2-hydroxybutyl 4-methylbenzenesulfonate CAS 143731-32-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 143731-32-2 |
| Molecular Formula | C11H16O4S |
| Molecular Weight | 244.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(S)-2-hydroxybutyl 4-methylbenzenesulfonate (CAS 143731-32-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H16O4S. Molecular weight: 244.31 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H16O4S |
| Molecular Weight | 244.31 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Sulfur Atoms | 1 |
Related S Standards
- (R)-2-hydroxybutyl 4-methylbenzenesulfonate (CAS 103745-07-9)
- 2-Hydroxybutyl 4-methylbenzenesulfonate (CAS 143693-24-7)
- (R)-3-Hydroxybutyl 4-methylbenzenesulfonate (CAS 75351-36-9)
- 4-Hydroxybutyl 4-methylbenzenesulfonate (CAS 6972-09-4)
- Methyl 2-(4-(4-hydroxybutyl)phenyl)-2-methylpropanoate (CAS 154825-93-1)
- 2-(4-hydroxybutyl) 5-methyl furan-2,5-dicarboxylate (CAS CATO-C3D-262626)
- 3-(4-Hydroxybutyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one (CAS 138892-94-1)
- 4-[(3-Hydroxybutyl)amino]-3-nitrobenzoic acid (CAS 1219957-45-5)
Recommended Standards
- tert-Butyl (4-(2-hydroxyethyl)thiazol-2-yl)carbamate (CAS 147284-02-4)
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- 3-(Benzylthio)-2-hydroxybenzaldehyde (CAS 147317-38-2)
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- 3-Z-Amino-cyclobutanone (CAS 29548-87-6)
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- 1-(4-Iodo-3,5-diisopropylphenyl)adamantane (CAS 1028342-45-1)
- 5-(((4-Chlorophenyl)amino)methyl)furan-2-carboxylic acid (CAS 903164-54-5)
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