175277-30-2 3-chloranyl-2-methyl-5-(trifluoromethyl)pyridine 3-chloro-2-methyl-5-(trifluoromethyl)pyridine A812002 CAS 175277-30-2
| CAS No. | 175277-30-2 |
| Molecular Formula | C7H5ClF3N |
| Molecular Weight | 195.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 175277-30-2 3-chloranyl-2-methyl-5-(trifluoromethyl)pyridine 3-chloro-2-methyl-5-(trifluoromethyl)pyridine A812002 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.
175277-30-2 3-chloranyl-2-methyl-5-(trifluoromethyl)pyridine 3-chloro-2-methyl-5-(trifluoromethyl)pyridine A812002 (CAS 175277-30-2), molecular formula C7H5ClF3N and molecular weight 195.57 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 175277-30-2 3-chloranyl-2-methyl-5-(trifluoromethyl)pyridine 3-chloro-2-methyl-5-(trifluoromethyl)pyridine A812002 (C7H5ClF3N) is characterized by a nitrile group, fluorine/chlorine substitution, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, 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).
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.
Physical & Chemical Properties
| Molecular Formula | C7H5ClF3N |
| Molecular Weight | 195.57 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2007 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Related chloranyl Standards
- 2-chloranyl-6-methyl-pyridine-4-carbonyl chloride 2-chloro-6-methyl-4-pyridinecarbonyl chloride 26413-58-1 A818430 (CAS 26413-58-1)
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Recommended Standards
- 4-Chloro-N-(trifluoromethyl)aniline (CAS 1682-38-8)
- 4-Chloro-2-(difluoromethyl)-5-(fluoromethyl)pyridine (CAS 1803710-11-3)
- 2-Chloro-4-methyl-3-(trifluoromethyl)pyridine (CAS 1643463-02-8)
- 2-Chloro-5-(difluoromethyl)-3-fluoro-4-methylpyridine (CAS 1804466-80-5)
- 7-Bromo-5-(pyridin-2-yl)-1H-benzo[e][1,4]diazepine-2(3H)-thione (CAS 39243-00-0)
- 6-Amino-2-fluoronicotinonitrile (CAS 1445962-29-7)
- 1-(3-((Dimethylamino)methyl)-4-hydroxyphenyl)ethan-1-one (CAS 73096-98-7)
- 4-((2,3-Dihydro-1H-inden-2-yl)oxy)piperidine (CAS 1785475-67-3)
- Istradefylline Impurity 7 (CAS CATO-C4X-10617)
- (+)-Epicatechin (CAS 35323-91-2)
- 1-(Pyridin-4-yl)cyclobutanamine hydrochloride (CAS 1228879-33-1)
- (E)-4-(2-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-2-methylhydrazinyl)-4-oxobut-2-enoic acid (CAS 339110-32-6)
- n-Ethyl-2,3-dihydro-1h-indene-5-sulfonamide (CAS 1094654-09-7)
- D-γ-Glu20-Side-Tirzepatide (CAS CATO-CPTD788929)
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