4-Chloro-2-methylquinazoline CAS 6484-24-8
| CAS No. | 6484-24-8 |
| Molecular Formula | C9H7ClN2 |
| Molecular Weight | 178.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 178.62 g/mol gives 4-Chloro-2-methylquinazoline distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4-Chloro-2-methylquinazoline (CAS 6484-24-8), a certified reference material (molecular formula C9H7ClN2, MW 178.62 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H7ClN2, 4-Chloro-2-methylquinazoline contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 178.62 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4-Chloro-2-methylquinazoline 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 | C9H7ClN2 |
| Molecular Weight | 178.62 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 5-chloro-2-methyl-1,6-naphthyridine (CAS 1001754-84-2)
- 3-Chloro-6,7-dihydro-5H-cyclopenta[c]pyridine-4-carbonitrile (CAS 103589-67-9)
- 5-Chloro-1-phenyl-1H-imidazole (CAS 104672-26-6)
- 2-Chloro-3-methyl-1,5-naphthyridine (CAS 1049030-27-4)
- 6-Chloro-3-quinolinamine (CAS 1051372-60-1)
- 6-Chloro-4-methylquinazoline (CAS 1071752-93-6)
- 2-Chloro-3-methyl-1,7-naphthyridine (CAS 1105191-93-2)
- 5-Chloro-1-phenyl-1H-pyrazole (CAS 1127-84-0)
Recommended Standards
- 4-chloro-2-methyl-1,6-naphthyridine (CAS 2804196-79-8)
- 4-chloro-3-methyl-5-nitro-pyridine (CAS 856834-51-0)
- 4-Chloro-2-methyl-1,5-naphthyridine (CAS 61319-97-9)
- 4-Chloro-5-methylquinazoline (CAS 90272-82-5)
- 4-Bromo-2-methyl-1H-imidazole (CAS 16265-11-5)
- Ethyl 3-(4-chloro-5-methyl-1h-pyrazol-1-yl)-2-(methylamino)propanoate (CAS 1340558-65-7)
- 4-(Difluoromethyl)-6-fluoro-3-(trifluoromethoxy)picolinaldehyde (CAS 1805973-87-8)
- 3-Aminodecanoic acid (CAS 116496-49-2)
- [4-(2-Aminophenoxy)phenyl]boronic acid (CAS 957103-98-9)
- 4-Methylpyrazole-3-carboxylic Acid (CAS 82231-51-4)
- Piracetam Impurity 28 (CAS CATO-C4X-123528)
- 3-Bromo-2-fluoroaniline hydrochloride (CAS 1336963-98-4)
- Spiro[4.5]decan-2-amine hydrochloride (CAS 2126-95-6)
- Neuropeptide Y, porcine (CAS 82785-45-3)
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