(E)-2-chloro-4-(2-(2,4-dichlorobenzylidene)hydrazinyl)quinazoline CAS 129177-13-5
| CAS No. | 129177-13-5 |
| Molecular Formula | C15H9Cl3N4 |
| Molecular Weight | 351.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution, (E)-2-chloro-4-(2-(2,4-dichlorobenzylidene)hydrazinyl)quinazoline is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 351.62 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
(E)-2-chloro-4-(2-(2,4-dichlorobenzylidene)hydrazinyl)quinazoline (CAS 129177-13-5), molecular formula C15H9Cl3N4 and molecular weight 351.62 g/mol, is a CATO reference standard with documented purity and traceability.
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), (E)-2-chloro-4-(2-(2,4-dichlorobenzylidene)hydrazinyl)quinazoline 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 | C15H9Cl3N4 |
| Molecular Weight | 351.62 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 |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
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- Methyl 5-(trifluoromethyl)isoxazole-3-carboxylate (CAS 1260827-05-1)
- 2-(Propoxymethyl)benzaldehyde (CAS 1379066-16-6)
- 3,5-Dibromo-4-methylanisole (CAS 14542-71-3)
- 1-(2-Chlorophenyl)-3,4-dihydroisoquinoline (CAS 174784-50-0)
- (Z)-2-(2-Hydroxybenzylidene)benzofuran-3(2H)-one (CAS 112980-30-0)
- N-Boc-O-benzyl-D-beta-homoserine (CAS 218943-31-8)
- (E)-4-(2-chloro-6-fluorostyryl)pyrimidin-2-amine (CAS 667400-59-1)
- Azasetron lmpurity 3 (CAS 5043-81-2)
- 4-Bromo-4'-butyl-2-fluoro-1,1'-biphenyl (CAS 116831-34-6)
- 5-methyl-1-(2-methyl-1,2,3,4-tetrahydroisoquinolin-5-yl)-1H-1,2,3-triazole-4-carboxylic acid hydrochloride (CAS 1306603-95-1)
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