3-Amino-2-(3-chlorophenyl)quinazolin-4(3H)-one CAS 388103-29-5
| CAS No. | 388103-29-5 |
| Molecular Formula | C14H10ClN3O |
| Molecular Weight | 271.70 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 3-Amino-2-(3-chlorophenyl)quinazolin-4(3H)-one.
3-Amino-2-(3-chlorophenyl)quinazolin-4(3H)-one (CAS 388103-29-5) is a high-purity analytical reference standard with the molecular formula C14H10ClN3O and a molecular weight of 271.70 g/mol.
Based on its molecular formula C14H10ClN3O, 3-Amino-2-(3-chlorophenyl)quinazolin-4(3H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 271.70 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 3-Amino-2-(3-chlorophenyl)quinazolin-4(3H)-one 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 | C14H10ClN3O |
| Molecular Weight | 271.70 g/mol |
| 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Amino Standards
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- 2-(2-(2-Amino-5-chlorobenzyl)-1,3-dioxolan-2-yl)acetic acid (CAS 2677030-87-2)
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Recommended Standards
- 3-Amino-2-(4-chlorophenyl)quinazolin-4(3H)-one (CAS 63002-70-0)
- 3-(5-(4-Chlorophenyl)-1,3,4-oxadiazol-2-yl)aniline (CAS 23047-97-4)
- 4-((1-Carboxy-2-methylpropyl)amino)-3-chlorobenzoic acid (CAS 85236-41-5)
- 3-(4-Chlorophenyl)-4,5-dihydro-1,4-benzoxazepin-5-one (CAS 501942-44-5)
- Polymyxin E1 (Colistin A) (CAS 7722-44-3 (free base))
- 2-((1S,3s)-3-aminocyclobutyl)ethan-1-ol hydrochloride (CAS 1956367-86-4)
- 1-(4-Chloro-6-methylpyrimidin-2-yl)azetidine-3-carboxylic acid (CAS 1289385-54-1)
- 1-(2-Bromo-1-(2-methoxyethoxy)ethyl)-4-chlorobenzene (CAS 1248145-68-7)
- N-[2-(2-Amino-5-methylphenoxy)ethyl]-N-methyl-N-phenylamine (CAS 946728-78-5)
- 6-(Azepan-1-yl)pyridine-3-carboxylic acid hydrochloride (CAS 1258640-80-0)
- 1-Bromo-5-chloro-4-(difluoromethyl)-2-fluorobenzene (CAS 1214352-75-6)
- N-nitroso-colistin a hydrogen methanesulfonate-5 (CAS CATO-C4X-225550)
- Gabapentin Impurity 36 (CAS 93727-70-9)
- TRAF6 Peptide trifluoroacetate salt (CAS 852805-92-6)
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