1-Chloro-5,8-dimethyl-1,2,3,4-tetrahydronaphthalene CAS 1082399-52-7
| CAS No. | 1082399-52-7 |
| Molecular Formula | C12H15Cl |
| Molecular Weight | 194.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
1-Chloro-5,8-dimethyl-1,2,3,4-tetrahydronaphthalene (CAS 1082399-52-7), molecular formula C12H15Cl and molecular weight 194.70 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 1-Chloro-5,8-dimethyl-1,2,3,4-tetrahydronaphthalene (C12H15Cl) is characterized by chlorine substitution, 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).
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 | C12H15Cl |
| Molecular Weight | 194.70 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
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Recommended Standards
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