N4,N7-Bis(3-chloro-4-fluorophenyl)-6-nitroquinazoline-4,7-diamine CAS 2044702-52-3
| CAS No. | 2044702-52-3 |
| Molecular Formula | C20H11Cl2F2N5O2 |
| Molecular Weight | 462.24 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 N4,N7-Bis(3-chloro-4-fluorophenyl)-6-nitroquinazoline-4,7-diamine.
N4,N7-Bis(3-chloro-4-fluorophenyl)-6-nitroquinazoline-4,7-diamine (CAS 2044702-52-3) is a high-purity analytical reference standard with the molecular formula C20H11Cl2F2N5O2 and a molecular weight of 462.24 g/mol.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, N4,N7-Bis(3-chloro-4-fluorophenyl)-6-nitroquinazoline-4,7-diamine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 462.24 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), N4,N7-Bis(3-chloro-4-fluorophenyl)-6-nitroquinazoline-4,7-diamine 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 | C20H11Cl2F2N5O2 |
| Molecular Weight | 462.24 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 5 |
Recommended Standards
- 3-Perfluorohexyl-5-phenylpyrazole (CAS 510768-12-4)
- tert-Butyl N-(4-bromo-2,6-dinitrophenyl)-N-[(tert-butoxy)carbonyl]carbamate (CAS 1929606-71-2)
- 6-(Dimethylamino)-4-hydroxynaphthalene-2-sulfonic acid (CAS 6259-50-3)
- TT-2ThBr (CAS 1432507-97-5)
- 2-Chloro-1,3-difluoro-5-(2-methylallyl)benzene (CAS 1256470-65-1)
- 3-(Chloromethyl)-3-ethylpentane (CAS 70178-82-4)
- 3-(N-Ethylthiophene-2-carboxamido)propanoic acid (CAS 1178078-63-1)
- Ethyl 4-hydroxy-5-methoxy-1-methyl-2-oxo-1,2-dihydroquinoline-3-carboxylate (CAS 248282-13-5)
- 7-Bromo-1-ethyl-1h-imidazo[4,5-c]pyridine (CAS 1044771-89-2)
- 2-Chloro-4-(methylcarbamoyl)phenylboronic acid (CAS 1451391-89-1)
- Pitavastatin Impurity 40 (CAS 121659-86-7)
- 1-(4,6-Di-tert-butylpyrimidin-2-yl)ethan-1-amine hydrochloride (CAS 1196155-13-1)
- 4-((((1r,4r)-4-Aminocyclohexyl)amino)methyl)benzonitrile hydrochloride (CAS 1417789-62-8)
- Des-Ile17-Tirzepatide (CAS CATO-CPTD788956)
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