7-Chloro-N-(4-chlorophenyl)quinazolin-4-amine CAS 74303-39-2
| CAS No. | 74303-39-2 |
| Molecular Formula | C14H9Cl2N3 |
| Molecular Weight | 290.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 7-Chloro-N-(4-chlorophenyl)quinazolin-4-amine (C14H9Cl2N3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 290.15 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.
CATO supplies 7-Chloro-N-(4-chlorophenyl)quinazolin-4-amine (CAS 74303-39-2), a certified reference material (molecular formula C14H9Cl2N3, MW 290.15 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 7-Chloro-N-(4-chlorophenyl)quinazolin-4-amine 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.
Physical & Chemical Properties
| Molecular Formula | C14H9Cl2N3 |
| Molecular Weight | 290.15 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 7-Chloro-N-(3-chlorophenyl)quinazolin-4-amine (CAS 146885-08-7)
- 4-Chloro-N-(4-chlorophenyl)phthalazin-1-amine (CAS 284031-04-5)
- 7-Chloro-N-(2-chlorophenyl)quinazolin-4-amine (CAS 477856-21-6)
- 2-Chloro-5-chlorosulfonylbenzenesulfonamide (CAS 61450-06-4)
- 2-Chloro-5-sulfamoylbenzene-1-sulfonyl chloride (CAS 32548-92-8)
- 6-Chloro-2-(3-chlorophenyl)quinolin-4(1H)-one (CAS 828264-36-4)
- 9-Chloro-5-methylacridine-4-carbonyl chloride (CAS 92138-15-3)
- 9-Chloro-6-methylacridine-4-carbonyl chloride (CAS 86611-43-0)
Recommended Standards
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- 5-Bromo-1H-pyrrolo[2,3-c]pyridine (CAS 1215387-58-8)
- 9-Chloroperfluorononanoyl chloride (CAS 2925-59-9)
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