4-chloro-6,8-dimethoxyquinazoline CAS 155960-96-6
| CAS No. | 155960-96-6 |
| Molecular Formula | C10H19ClN2O2 |
| Molecular Weight | 234.72 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-6,8-dimethoxyquinazoline.
4-chloro-6,8-dimethoxyquinazoline (CAS 155960-96-6), molecular formula C10H19ClN2O2 and molecular weight 234.72 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H19ClN2O2, 4-chloro-6,8-dimethoxyquinazoline contains an amide group, a carboxylic acid 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 234.72 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
CATO manufactures 4-chloro-6,8-dimethoxyquinazoline 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 | C10H19ClN2O2 |
| Molecular Weight | 234.72 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related chloro Standards
- 2-Chloro-n-propyl-n-[(propylcarbamoyl)methyl]acetamide (CAS 1178363-63-7)
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- 7-Chloro-8-methyl-2-propylquinolin-4-amine (CAS 1189105-56-3)
- 6-Chloro-8-methyl-2-propylquinolin-4-amine (CAS 1189107-43-4)
- 8-Chloro-6-methyl-2-propylquinolin-4-amine (CAS 1189107-45-6)
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Recommended Standards
- 3-(Ethylsulfonyl)propane-1-sulfonyl chloride (CAS 1490041-20-7)
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- 2-(4-(4-Chlorophenyl)piperidin-4-yl)acetonitrile (CAS 1673527-01-9)
- 2-Chloro-3-fluoro-N-methoxy-N-methylbenzamide (CAS 1286776-24-6)
- 4-Bromo-5-fluoro-2-((trimethylsilyl)ethynyl)aniline (CAS 1219741-80-6)
- 4-Chloro-N-(1-methyl-1H-pyrazol-4-yl)pyrimidin-2-amine (CAS 1462286-01-6)
- Cycloheptylmethanesulfonamide (CAS 1496157-02-8)
- 2,5-Dichloro-3-fluorobenzaldehyde (CAS 1553716-42-9)
- 5-Chloro-1,3-dihydro-2H-imidazo[4,5-b]pyrazin-2-one (CAS 33386-23-1)
- 2-(4-Bromo-1h-pyrazol-1-yl)butanehydrazide (CAS 1005650-48-5)
- 2-Fluoro-1-methyl-4-(3-nitrophenyl)benzene (CAS 1355247-53-8)
- 8-Chloroisoquinolin-3-amine (CAS 1184843-26-2)
- Pancreatic Polypeptide (human) trifluoroacetate salt (CAS 75976-10-2)
Why CATO?
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