2,3,5,6-Tetrachloro-4-(trifluoromethyl)pyridine CAS 122599-19-3
| CAS No. | 122599-19-3 |
| Molecular Formula | C6Cl4F3N |
| Molecular Weight | 284.88 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2,3,5,6-Tetrachloro-4-(trifluoromethyl)pyridine (C6Cl4F3N) contains a nitrile group, fluorine/chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 284.88 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
2,3,5,6-Tetrachloro-4-(trifluoromethyl)pyridine (CAS 122599-19-3), molecular formula C6Cl4F3N and molecular weight 284.88 g/mol, is a CATO reference standard with documented purity and traceability.
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.
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 | C6Cl4F3N |
| Molecular Weight | 284.88 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.) | 1992 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Related Tetrachloro Standards
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- 2,4,5,7-Tetrachloro-8-fluoropyrido[4,3-d]pyrimidine (CAS 2836341-76-3)
- 1,1,1,10-Tetrachloro-decane (CAS 10311-15-6)
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Recommended Standards
- 2-Bromo-4-iodopyrimidine (CAS 1034619-55-0)
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- 2-Bromo-6-iodopyrazine (CAS 1417517-98-6)
- 2-(1H-1,2,3,4-tetrazol-5-yl)morpholine hydrochloride (CAS 1269151-67-8)
- 2-(Isobutylamino)-1,3-thiazole-4-carboxylic acid (CAS 923138-42-5)
- 2-(6-Ethyl-5-methoxy-1-methyl-2,4-dioxo-1,4-dihydropyrido[2,3-d]pyrimidin-3(2H)-yl)-N-methylacetamide (CAS 941984-18-5)
- 4-(Pyrimidin-2-yl)phenol (CAS 68535-55-7)
- 3-(Difluoromethyl)-4,5-difluoropyridin-2-amine (CAS 1805240-12-3)
- 5-(4-Fluorobenzyl)-2-mercapto-6-methylpyrimidin-4-ol (CAS 862104-74-3)
- 1-Ethylindoline-5-carbaldehyde (CAS 876716-77-7)
- 2',4-Dimethyl-[1,1'-biphenyl]-3-amine (CAS 1048389-47-4)
- 2-(1H-1,2,4-Triazol-1-yl) terephthalic acid (CAS 2170848-14-1)
- [D-Ser8]-Semaglutide A (CAS CATO-C4X-2226116)
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