Dodecylbenzene(hard type) (mixture of branched chain isomers) CAS 25265-78-5
| CAS No. | 25265-78-5 |
| Molecular Formula | C18H30 |
| Molecular Weight | 246.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of Dodecylbenzene(hard type) (mixture of branched chain isomers) (C18H30) is characterized by an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO supplies Dodecylbenzene(hard type) (mixture of branched chain isomers) (CAS 25265-78-5), a certified reference material (molecular formula C18H30, MW 246.43 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C18H30 |
| Molecular Weight | 246.43 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
Related Dodecylbenzene Standards
- Dodecylbenzene(soft type) (mixture of linear chain isomers) (CAS 29986-57-0)
- Dodecylbenzene (CAS 123-01-3)
- 2-Dodecylbenzene-1-sulfonyl chloride (CAS 1296885-05-6)
- 3-Dodecylbenzene-1-sulfonyl chloride (CAS 1296885-06-7)
- 52319-06-9 Methyl dodecylbenzene sulfonate methyl 12-phenyldodecane-1-sulfonate (CAS 52319-06-9)
- Dodecylbenzene Sulfonic Acid Potassium Salt (Mixture of Isomers) (CAS 27177-77-1)
Recommended Standards
- 6-Phenyldodecane (CAS 2719-62-2)
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- Hexaethylbenzene (CAS 604-88-6)
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- 3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(2-(trifluoromethoxy)benzyl)propanoic acid (CAS 1260609-52-6)
- N-(2-Cyano-3-methylbutan-2-yl)-2-((5-methyl-4-phenyl-4H-1,2,4-triazol-3-yl)thio)propanamide (CAS 851280-87-0)
- (2S,3R)-1-benzyl-2-methylpyrrolidin-3-ol (CAS 202743-07-5)
- 3-Chloro-4-fluorobenzoyl cyanide (CAS 80277-45-8)
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