2,3,4-Trichlorobenzaldehyde CAS 19361-59-2
| CAS No. | 19361-59-2 |
| Molecular Formula | C7H3Cl3O |
| Molecular Weight | 209.46 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 2,3,4-Trichlorobenzaldehyde.
CATO supplies 2,3,4-Trichlorobenzaldehyde (CAS 19361-59-2), a certified reference material (molecular formula C7H3Cl3O, MW 209.46 g/mol) for analytical method development and quality control.
Structurally, 2,3,4-Trichlorobenzaldehyde (C7H3Cl3O) contains a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 209.46 g/mol, it falls into the medium-molecular-weight range. 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.
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 | C7H3Cl3O |
| Molecular Weight | 209.46 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1962 |
| Halogen Content | Cl-containing |
Related Trichlorobenzaldehyde Standards
Recommended Standards
- 4-Bromo-2-chloro-1-fluorobenzene (CAS 60811-21-4)
- 4-Bromo-1-chloro-2-fluorobenzene (CAS 60811-18-9)
- 2-Bromo-4-chloro-1-fluorobenzene (CAS 1996-30-1)
- 2,3-Dichloro Benzoyl chloride (CAS 2905-60-4)
- (2S,4S)-1-(tert-Butoxycarbonyl)-4-(3,4-dichloro-phenoxy)-2-pyrrolidinecarboxylic acid (CAS 1217803-05-8)
- N-(2-Oxothiolan-3-yl)-3-(trifluoromethyl)benzamide (CAS 321521-91-9)
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