4-(1-hydroxycyclobutyl)but-3-ynyl 4-methylbenzenesulfonate CAS 2221965-32-6
| CAS No. | 2221965-32-6 |
| Molecular Formula | C15H24O4S |
| Molecular Weight | 300.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(1-hydroxycyclobutyl)but-3-ynyl 4-methylbenzenesulfonate (CAS 2221965-32-6), molecular formula C15H24O4S and molecular weight 300.41 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C15H24O4S, 4-(1-hydroxycyclobutyl)but-3-ynyl 4-methylbenzenesulfonate contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 300.41 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-(1-hydroxycyclobutyl)but-3-ynyl 4-methylbenzenesulfonate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C15H24O4S |
| Molecular Weight | 300.41 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Sulfur Atoms | 1 |
Related hydroxycyclobutyl Standards
- 4-(1-Hydroxycyclobutyl)phenylboronic Acid Pinacol Ester (CAS 1398331-98-0)
- Benzyl (2-hydroxycyclobutyl)carbamate (CAS 1934428-08-6)
- (2-(1-Hydroxycyclobutyl)octan-2-yl)diphenylphosphine oxide (CAS 173066-85-8)
- 1-(4-((1-Hydroxycyclobutyl)methyl)piperazin-1-yl)ethan-1-one (CAS 1394766-30-3)
- 2-(1-Hydroxycyclobutyl)-2-phenylacetic acid (CAS 5463-97-8)
- 3-(((1-Hydroxycyclobutyl)methyl)amino)thietane 1,1-dioxide (CAS 1864543-48-5)
- (4-(1-Hydroxycyclobutyl)phenyl)boronic acid, 97% (CAS 1467062-11-8)
- Ethyl 2-(1-hydroxycyclobutyl)-2-methylpropanoate (CAS 86426-02-0)
Recommended Standards
- (4-(1-(2-(2-Ethoxyethoxy)ethoxy)ethoxy)phenyl)(methyl)sulfane (CAS 33069-94-2)
- Exemestane-13C,D3 (CAS CATO-C4X-164116)
- 1,2,3,5,7-Pentachloronaphthalene (CAS 53555-65-0)
- Probucol Impurity 21 (CAS CATO-C4X-292021)
- 2-(((Tetrahydro-2H-thiopyran-3-yl)amino)methyl)acrylic acid (CAS 1690433-52-3)
- 2-[4-(methoxymethyl)phenyl]-1,3-thiazolidine (CAS 1463990-85-3)
- 3-Cyano-3-(2,3-dimethylphenyl)propiophenone (CAS 898769-14-7)
- 2-(2-Fluoropyridin-3-yl)propan-2-ol (CAS 40247-48-1)
- 2-((4-Oxoquinazolin-3(4H)-yl)oxy)acetic acid (CAS 113939-89-2)
- (1-(3,5-Dimethylphenyl)cyclobutyl)methanamine hydrochloride (CAS 1152996-05-8)
- 2-(2-Oxobutyl)isoindoline-1,3-dione (CAS 80369-11-5)
- 4-(Bromomethyl)-5-methylpyrimidine (CAS 135645-52-2)
- 3-Bromo-5-fluoro-2-hydroxybenzaldehyde (CAS 178546-34-4)
- Semaglutide Impurity 82 (CAS CATO-C4X-222682)
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