1,2-Dimethyl-4-(trifluoromethyl)benzene CAS 78164-31-5
| CAS No. | 78164-31-5 |
| Molecular Formula | C9H9F3 |
| Molecular Weight | 174.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1,2-Dimethyl-4-(trifluoromethyl)benzene.
CATO supplies 1,2-Dimethyl-4-(trifluoromethyl)benzene (CAS 78164-31-5), a certified reference material (molecular formula C9H9F3, MW 174.16 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H9F3, 1,2-Dimethyl-4-(trifluoromethyl)benzene contains fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 174.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
CATO manufactures 1,2-Dimethyl-4-(trifluoromethyl)benzene 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 | C9H9F3 |
| Molecular Weight | 174.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, 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 |
| Halogen Content | F-containing |
Related Dimethyl Standards
- 1,2-Dimethyl-3-(trifluoromethyl)benzene (CAS 80245-28-9)
- 1,3-Dimethyl-2-(trifluoromethyl)benzene (CAS 41818-96-6)
- 1,3-Dimethyl-5-(trifluoromethyl)benzene (CAS 86845-29-6)
- 1,4-Dimethyl-2-(trifluoromethyl)benzene (CAS 84796-70-3)
- 2,4-Dimethyl-1-(trifluoromethyl)benzene (CAS 93841-19-1)
- 3,3-Dimethyl-2-oxopentanedioic acid (CAS 112428-39-4)
- 2,2-Dimethyl-5-oxo-1,3-dioxolane-4-acetic Acid (CAS 114458-03-6)
- 1-(1,3-Dimethyl-1H-pyrazol-4-yl)-2,2-difluoroethanone (CAS 1174846-40-2)
Recommended Standards
- 1-(Pyrimidin-2-yl)-1H-imidazole-4-carbaldehyde (CAS 433921-37-0)
- 1-(Pyrazin-2-yl)-1H-imidazole-4-carbaldehyde (CAS 503176-43-0)
- 1-(2,2-Difluoropropyl)-4-fluorobenzene (CAS 58325-14-7)
- 1,6-Naphthyridine-5-carboxylic acid (CAS 74048-24-1)
- DL-3-Hydroxynorvaline (CAS 2280-42-4)
- 2-(2,4-Bis(trifluoromethyl)phenyl)pyridine (CAS 760210-64-8)
- 5-Mercapto-1,2,3-thiadiazole sodiumsalt (CAS 865854-97-3)
- [4-(propan-2-yl)cyclohexyl]methanamine (CAS 749799-45-9)
- 2,3-dichloro-5-methylaniline (CAS 13711-29-0)
- (2-(Aminomethyl)-2,3-dihydro-1H-inden-2-yl)methanol hydrochloride (CAS 2768326-77-6)
- 4-(2-Chloro-4-fluorobenzyl)morpholine (CAS 114776-21-5)
- Henicosa-8,10-diynoic acid (CAS 174063-95-7)
- 3-methyl-1H-indol-5-ol (CAS 1125-40-2)
- Semaglutide Impurity 7 (CAS CATO-C4X-22267)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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