1-Chloro-2-(chloromethyl)-4-methylbenzene CAS 34896-68-9
| CAS No. | 34896-68-9 |
| Molecular Formula | C8H8Cl2 |
| Molecular Weight | 175.06 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-Chloro-2-(chloromethyl)-4-methylbenzene.
1-Chloro-2-(chloromethyl)-4-methylbenzene (CAS 34896-68-9), molecular formula C8H8Cl2 and molecular weight 175.06 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 1-Chloro-2-(chloromethyl)-4-methylbenzene (C8H8Cl2) is characterized by chlorine substitution, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C8H8Cl2 |
| Molecular Weight | 175.06 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.) | 1966 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 1-Chloro-2-(2-chloroethyl)benzene (CAS 1005-06-7)
- 2-Chloro-1-(chloromethyl)-3-methylbenzene (CAS 1261581-40-1)
- 1-Chloro-3-(chloromethyl)-5-methylbenzene (CAS 1261861-40-8)
- 4-chloro-1-(chloromethyl)-2-methylbenzene (CAS 16470-09-0)
- 1-Chloro-2-(1-chloroethyl)benzene (CAS 20001-64-3)
- 1-chloro-2-(chloromethyl)-3-methylbenzene (CAS 55676-90-9)
- 1-chloro-3-(1-chloroethyl)benzene (CAS 34887-78-0)
- 1-Chloro-3-(2-chloroethyl)benzene (CAS 5182-43-4)
Recommended Standards
- 1,5-Dichloro-2,4-dimethylbenzene (CAS 2084-45-9)
- 1-Chloro-3-(chloromethyl)-2-methylbenzene (CAS 55676-89-6)
- 1,5-Dichloro-2,3-dimethylbenzene (CAS 70172-92-8)
- 1-chloro-4-(1-chloroethyl)benzene (CAS 20001-65-4)
- 2-(4-sec-Butylphenyl)-8-methylquinoline-4-carbonyl chloride (CAS 1160254-29-4)
- 3-(3-Chlorophenyl)-2',4'-dichloropropiophenone (CAS 898787-36-5)
- 7-Chloro-3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]thiazine-6-carbaldehyde (CAS 577691-72-6)
- Methyl 2-amino-6-methoxyisonicotinate (CAS 2090069-09-1)
- 2-(4-Chloro-3-fluorophenoxy)nicotinonitrile (CAS 1542060-32-1)
- 5-Chloro-4-{[(2-ethylphenyl)sulfanyl]methyl}-1-methyl-3-phenyl-1H-pyrazole (CAS 318234-18-3)
- 2-[5-(phenoxymethyl)-2h-1,2,3,4-tetrazol-2-yl]acetic acid (CAS 871497-68-6)
- Methyl 2-bromo-5-(4-fluorophenyl)thiazole-4-carboxylate (CAS 1038508-94-9)
- 4-(4-(Hydroxymethyl)-5-methylisoxazol-3-yl)benzonitrile (CAS 1030012-94-2)
- Influenza PR8 Hemagglutinin Peptide (110-119) (H-6312.0005) (CAS 132031-50-6)
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