2,3-Dimethyl-5-(4-methylpentyl)naphthalene CAS 204256-07-5
| CAS No. | 204256-07-5 |
| Molecular Formula | C18H24 |
| Molecular Weight | 240.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2,3-Dimethyl-5-(4-methylpentyl)naphthalene is closely related to a polycyclic aromatic system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2,3-Dimethyl-5-(4-methylpentyl)naphthalene (CAS 204256-07-5), molecular formula C18H24 and molecular weight 240.38 g/mol, is a CATO reference standard with documented purity and traceability.
2,3-Dimethyl-5-(4-methylpentyl)naphthalene (C18H24) contains a polycyclic aromatic system. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).
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), 2,3-Dimethyl-5-(4-methylpentyl)naphthalene 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 | C18H24 |
| Molecular Weight | 240.38 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2015 |
Related Dimethyl Standards
- 1,3-Dimethyl-1,4-bipiperidine-4-carboxylic acid (CAS 1216878-89-5)
- 4-(4,4-Dimethyl-cyclohexyl)-3-oxo-butyric acid ethyl ester (CAS 1414958-05-6)
- 4,4-Dimethyl-1-(piperazin-1-yl)cyclohexane-1-carboxylic acid (CAS 1478098-92-8)
- 3,4-Dimethyl-1-(piperazin-1-yl)cyclohexane-1-carboxylic acid (CAS 1561858-10-3)
- 4,8-Dimethyl-2-(piperidin-1-yl)quinoline (CAS 338749-90-9)
- 2-((4,5-Dimethyl-4H-1,2,4-triazol-3-yl)thio)-1-(pyrrolidin-1-yl)ethanone (CAS 603070-54-8)
- 1-(3,4-Dimethyl-1-phenyl-1H-phosphol-2-yl)ethanone (CAS 62451-14-3)
- 2,4-Dimethyl-9H-thioxanthen-9-one (CAS 76293-13-5)
Recommended Standards
- 2,3,7-Trimethyloct-6-en-1-yl butyrate (CAS 85409-36-5)
- 2,6-Di-tert-butylnaphthalene (CAS 3905-64-4)
- 2-(Dec-9-en-1-yloxy)tetrahydro-2H-pyran (CAS 67136-13-4)
- 2,7-Dibutylnaphthalene (CAS 342401-18-7)
- Ethyl 1-(tert-butyl)-5-methyl-1H-pyrazole-3-carboxylate (CAS 519056-54-3)
- 2-(Chloromethyl)-3-(trifluoromethyl)pyridine (CAS 215867-86-0)
- 2-Amino-N-(pyridin-3-ylmethyl)benzamide hydrochloride (CAS 1245569-04-3)
- Ethyl 2-(isoxazol-3-yl)acetate (CAS 82669-57-6)
- 2-((3-(2-Ethoxyphenoxy)-4-oxo-4H-chromen-7-yl)oxy)acetic acid (CAS 773864-09-8)
- Potassium 4-hydroxy-3-methoxyphenyltrifluoroborate (CAS 1883442-55-4)
- 2-Bromo-1-(3,5-dichloropyridin-2-yl)ethanone (CAS 87437-41-0)
- 2-(2-Pyrrolidin-1-yl-ethoxy)-pyridine-5-boronic acid pinacol ester hydrochloride (CAS 2379560-95-7)
- n-[3-(1h-1,3-benzodiazol-2-yl)propyl]butanamide (CAS 686736-45-8)
- Neuropeptide Y (free acid) (human, rat) trifluoroacetate salt (CAS 99575-89-0)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com