4-Octadecylbenzenesulfonic acid CAS 79840-57-6
| CAS No. | 79840-57-6 |
| Molecular Formula | C24H42O3S |
| Molecular Weight | 410.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-Octadecylbenzenesulfonic acid (CAS 79840-57-6), molecular formula C24H42O3S and molecular weight 410.65 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Octadecylbenzenesulfonic acid (C24H42O3S) contains a steroid core, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 410.65 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 4-Octadecylbenzenesulfonic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C24H42O3S |
| Molecular Weight | 410.65 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.) | 1979 |
| Sulfur Atoms | 1 |
Recommended Standards
- 3-Chloro-2-({4-[(2,2-dichlorocyclopropyl)methoxy]phenyl}methyl)-5-(trifluoromethyl)pyridine (CAS 338416-07-2)
- Heptadecan-9-yl 4-methylbenzenesulfonate (CAS 949898-99-1)
- Cyclopentyl 2-thiomethylphenyl ketone (CAS 898791-42-9)
- 1,1,3,3-Tetraphenyl-1,3-dimethyldisiloxane (CAS 807-28-3)
- 2,4-Dichloro-5-(chloromethyl)pyrimidine (CAS 7627-38-5)
- 2-(4-Benzylpiperazin-1-yl)aniline (CAS 199105-17-4)
- (R)-2-(Isopropyl(1-methylpiperidin-3-yl)amino)ethanol (CAS 1354008-39-1)
- Ethyl (E)-3-(2-amino-5-(benzylthio)phenyl)acrylate (CAS 1641578-95-1)
- 17709-99-8 5911AD C8H6ClNO3 [(3-Chlorophenyl)amino](oxo)acetic acid (CAS 17709-99-8)
- 1-(5-Methylpyridin-2-yl)cyclopropanamine 4-methylbenzenesulfonate (CAS 1799439-00-1)
- 5-(4-Isopropylbenzyl)-1,3,4-oxadiazol-2-amine (CAS 1177298-59-7)
- 267416-81-9 4-phenoxy-3-(trifluoromethyl)aniline 5-Amino-2-(phenoxy)benzotrifluoride (CAS 267416-81-9)
- (E)-3,5-dichloro-2-hydroxybenzaldehyde oxime (CAS 5331-93-1)
- Semaglutide Impurity 4 (CAS CATO-C4X-22264)
Why CATO?
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