2,4-Dichloro-N-(5H-chromeno[4,3-d]pyrimidin-2-yl)benzamide CAS 866048-81-9
| CAS No. | 866048-81-9 |
| Molecular Formula | C18H11Cl2N3O2 |
| Molecular Weight | 372.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2,4-Dichloro-N-(5H-chromeno[4,3-d]pyrimidin-2-yl)benzamide (CAS 866048-81-9) is a high-purity analytical reference standard with the molecular formula C18H11Cl2N3O2 and a molecular weight of 372.20 g/mol.
Structurally, 2,4-Dichloro-N-(5H-chromeno[4,3-d]pyrimidin-2-yl)benzamide (C18H11Cl2N3O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 372.20 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures 2,4-Dichloro-N-(5H-chromeno[4,3-d]pyrimidin-2-yl)benzamide 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 | C18H11Cl2N3O2 |
| Molecular Weight | 372.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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 Dichloro Standards
- 2,4-Dichloro-N-[(2E)-2-(4-chlorophenyl)-2-(methoxyimino)ethyl]benzamide (CAS 343374-28-7)
- 1,2-Dichloro-1,1,3,3,3-pentafluoropropane (CAS 431-86-7)
- 2,3-Dichloro-1,1,1,2,3-pentafluoropropane (CAS 422-48-0)
- 2,6-Dichloro-4-(pentafluoro-lambda6-sulfanyl)benzenesulfonyl chloride (CAS 1706430-41-2)
- (3-(2,4-Dichloro-5-fluorophenyl)-1-(2,4-difluorophenyl)-1H-pyrazol-4-yl)methanol (CAS 618441-78-4)
- 2-(2,6-Dichloro-4-(trifluoromethyl)phenyl)-4-methylphthalazin-1(2H)-one (CAS 672951-12-1)
- 1-(2,6-Dichloro-4-(trifluoromethyl)phenyl)-N-methyl-1H-pyrrole-2-sulfonamide (CAS 1858251-13-4)
- 4,6-Dichloro-2-(2,4-dimethoxybenzyl)-7-fluoro-1,2-dihydro-3H-pyrrolo[3,4-c]pyridin-3-one (CAS 1312691-38-5)
Recommended Standards
- 1-{4-[(2E)-3-(3,4-Dichlorophenyl)prop-2-enoyl]phenyl}-1H-pyrrole-2,5-dione (CAS 949923-52-8)
- 3-((3,4-Dichlorophenyl)sulfonyl)-8-fluoroquinolin-4(1H)-one (CAS 950276-06-9)
- 1-(3-Bromo-5-trifluoromethylphenylsulfonyl)piperidine (CAS 951884-69-8)
- cis-3-[2-(2-Iodophenyl)-2-oxoethyl]-cyclohexane-1-carboxylic acid (CAS 735275-37-3)
- 2-Ethyl-5-morpholinooxazole-4-carbonitrile (CAS 49837-53-8)
- N-(3-amino-4-chlorophenyl)-3-methoxybenzamide (CAS 926238-06-4)
- 3-Ethyl-3-methylglutaric Acid (CAS 5345-01-7)
- Naproxen Impurity 42 (CAS CATO-C4X-170842)
- 2-Trifluoromethylpiperidine sulfonamide (CAS 1389313-44-3)
- 1-(4-Chloro-5-methylpyrimidin-2-yl)-N-methylpiperidin-3-amine hydrochloride (CAS 1261234-63-2)
- 4-Fluoro-N,N-dimethylpyrimidin-2-amine (CAS 51475-09-3)
- Ethyl 2-(6-bromo-3-cyano-2-methoxyphenyl)acetate (CAS 1805491-70-6)
- N-Nitroso Xylometazoline (CAS CATO-C4X-17826)
- Semaglutide impurity 101 (CAS CATO-C4X-2226101)
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