4-Chloro-N-{5H-chromeno[4,3-d]pyrimidin-2-yl}benzamide CAS 866041-28-3
| CAS No. | 866041-28-3 |
| Molecular Formula | C18H12ClN3O2 |
| Molecular Weight | 337.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 337.76 g/mol gives 4-Chloro-N-{5H-chromeno[4,3-d]pyrimidin-2-yl}benzamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-Chloro-N-{5H-chromeno[4,3-d]pyrimidin-2-yl}benzamide (CAS 866041-28-3) is a high-purity analytical reference standard with the molecular formula C18H12ClN3O2 and a molecular weight of 337.76 g/mol.
Based on its molecular formula C18H12ClN3O2, 4-Chloro-N-{5H-chromeno[4,3-d]pyrimidin-2-yl}benzamide contains a steroid core, 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 337.76 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.
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), 4-Chloro-N-{5H-chromeno[4,3-d]pyrimidin-2-yl}benzamide 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 | C18H12ClN3O2 |
| Molecular Weight | 337.76 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 2-(2-Chloro-4-nitrophenoxy)-N-(1-cyanocyclohexyl)acetamide (CAS 852226-84-7)
- 2-Chloro-N-{5H-chromeno[4,3-d]pyrimidin-2-yl}benzamide (CAS 866041-25-0)
- 3-Chloro-N-(5H-chromeno[4,3-d]pyrimidin-2-yl)benzamide (CAS 866041-27-2)
- 4-(4-Chloro-phenyl)-2-oxo-3-quinolin-2-yl-but-3-enoic acid (CAS 473396-84-8)
- 5-[(E)-2-[(5-Chloro-2-hydroxyphenyl)amino]ethenyl]-3-phenyl-1,2-oxazole-4-carbonitrile (CAS 303995-82-6)
- 5-Acetyl-7-chloro-4-phenylpyrano[3,2-b]indol-2(5H)-one (CAS 2347639-57-8)
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Recommended Standards
- 3-(2-Chlorophenyl)-N-(4-cyanophenyl)-5-methyl-1,2-oxazole-4-carboxamide (CAS 519017-76-6)
- 3-(2-Chlorophenyl)-N-(3-cyanophenyl)-5-methylisoxazole-4-carboxamide (CAS 519050-46-5)
- Methyl 2-({[(4Z)-1-(4-chlorophenyl)-3-ethoxy-5-oxo-4,5-dihydro-1H-pyrazol-4-ylidene]methyl}amino)acetate (CAS 338751-20-5)
- 3-(2-Chlorophenyl)-N-(2-cyanophenyl)-5-methylisoxazole-4-carboxamide (CAS 885660-30-0)
- 5-(4-Chloro-3,5-dimethyl-pyrazol-1-ylmethyl)-furan-2-carboxylic acid (CAS 312310-61-5)
- 1H-Purine-6-sulfonic acid (CAS 25023-39-6)
- N-hydroxy-2-(2-thiomorpholinoethylamino)acetamidine (CAS 1704235-49-3)
- 3-(2-Aminoethyl)-7-methylquinolin-2(1H)-one hydrochloride (CAS 1266690-70-3)
- Droxidopa Impurity 22 (CAS 56672-56-1)
- 5-Benzyl-5-azaspiro[2.4]Heptane (CAS 1204875-03-5)
- (1-Benzofuran-4-yl)methanol (CAS 173470-67-2)
- 4-(chloromethyl)-2-methoxy-benzonitrile (CAS 1261618-80-7)
- Thymolphthalein monophosphate, sodium salt (CAS 123359-43-3)
- CGMP Dependent Kinase Inhibitor Peptide (CAS 82801-73-8)
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