4-chloro-7-methoxy-2-methyl-quinazoline CAS 16499-67-5
| CAS No. | 16499-67-5 |
| Molecular Formula | C10H19ClN2O |
| Molecular Weight | 218.72 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 4-chloro-7-methoxy-2-methyl-quinazoline.
CATO supplies 4-chloro-7-methoxy-2-methyl-quinazoline (CAS 16499-67-5), a certified reference material (molecular formula C10H19ClN2O, MW 218.72 g/mol) for analytical method development and quality control.
Based on its molecular formula C10H19ClN2O, 4-chloro-7-methoxy-2-methyl-quinazoline contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 218.72 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.
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-7-methoxy-2-methyl-quinazoline 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 | C10H19ClN2O |
| Molecular Weight | 218.72 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related chloro Standards
- 2-Chloro-1-(4-((dimethylamino)methyl)piperidin-1-yl)ethanone (CAS 1183213-55-9)
- 2-chloro-6-methoxy-3-methylquinoxaline (CAS 1218765-14-0)
- 4-Chloro-2-cyclohexyl-1-ethynylbenzene (CAS 1282582-98-2)
- 2-Chloro-N-methyl-N-((1-methylpiperidin-4-yl)methyl)acetamide (CAS 1341444-30-1)
- 2-Chloro-N-isopropyl-N-(1-methylpyrrolidin-3-yl)acetamide (CAS 1353945-00-2)
- 2-Chloro-N-methyl-N-((1-methylpiperidin-2-yl)methyl)acetamide (CAS 1353951-54-8)
- 2-Chloro-1-(2-((dimethylamino)methyl)piperidin-1-yl)ethanone (CAS 1353956-44-1)
- 2-Chloro-N-(4-(dimethylamino)cyclohexyl)acetamide (CAS 1353959-45-1)
Recommended Standards
- 4-chloro-8-methoxy-2-methyl-quinazoline (CAS 154288-17-2)
- 1-(4-Bromophenyl)-2-(triphenyl-l5-phosphaneylidene)ethan-1-one (CAS 1777-57-7)
- (S)-2-Chloro-N-ethyl-N-((1-methylpyrrolidin-2-yl)methyl)acetamide (CAS 1354018-89-5)
- (+)-Menthyl Chloroformate (CAS 51259-57-5)
- 3-(Methylamino)oxolane-3-carbonitrile (CAS 1342898-74-1)
- 2-(3-Ethyl-1,2,4-oxadiazol-5-yl)-6,7-dihydropyrazolo[1,5-a]pyridin-4(5H)-one (CAS 1708401-77-7)
- 2-((3-(1H-benzo[d]imidazol-2-yl)pyridin-2-yl)thio)-N-(2,3-dichlorophenyl)acetamide (CAS 838100-86-0)
- Ethyl 2-(indolin-2-yl)acetate (CAS 64132-03-2)
- 7-Methoxy-3,4-dihydroquinazolin-4-one (CAS 16064-24-7)
- Ethyl 3-(5-Methyl-3-indolyl)propanoate (CAS 1453484-16-6)
- Ethyl (4Z)-4-{[(4-methoxyphenyl)amino]methylidene}-2-methyl-5-oxo-4,5-dihydro-1H-pyrrole-3-carboxylate (CAS 251307-04-7)
- rac-(3R,4S)-1-benzyl-3-(2-fluorophenyl)-4-nitropyrrolidine (CAS 1909293-67-9)
- 3-Amino-2-[(furan-3-yl)methyl]propan-1-ol (CAS 1342004-08-3)
- D-Thr5-Tirzepatide (CAS CATO-CPTD788926)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com