Ethyl 6-amino-4-(4-chlorophenyl)-2-methyl-5-(phenylsulfonyl)-4H-pyran-3-carboxylate CAS 866145-08-6
| CAS No. | 866145-08-6 |
| Molecular Formula | C21H20ClNO5S |
| Molecular Weight | 433.91 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 Ethyl 6-amino-4-(4-chlorophenyl)-2-methyl-5-(phenylsulfonyl)-4H-pyran-3-carboxylate.
CATO supplies Ethyl 6-amino-4-(4-chlorophenyl)-2-methyl-5-(phenylsulfonyl)-4H-pyran-3-carboxylate (CAS 866145-08-6), a certified reference material (molecular formula C21H20ClNO5S, MW 433.91 g/mol) for analytical method development and quality control.
Based on its molecular formula C21H20ClNO5S, Ethyl 6-amino-4-(4-chlorophenyl)-2-methyl-5-(phenylsulfonyl)-4H-pyran-3-carboxylate contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 433.91 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C21H20ClNO5S |
| Molecular Weight | 433.91 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- N-(3-(6-Amino-9H-purin-9-yl)propyl)-6-chloro-2-methoxyacridin-9-amine (CAS 79953-24-5)
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Recommended Standards
- 1-(5-(Chloromethyl)-1,3,4-thiadiazol-2-yl)-2-methyl-4-((2-phenyl-1H-indol-3-yl)methylene)-1H-imidazol-5(4H)-one (CAS 143658-86-0)
- N-(5-Chloro-3-(phenylsulfonyl)-1H-indol-2-yl)-2-morpholinoacetamide (CAS 918493-24-0)
- Halobetasol Impurity 8 (CAS CATO-C4X-33148)
- 4-Bromo-N-(2,4-dibromophenyl)benzamide (CAS 339249-07-9)
- 1-Boc-4-[(4-cyanophenyl)amino]-piperidine (CAS 333986-52-0)
- (2R,3S,4S,5R)-2-(hydroxymethyl)-5-methoxytetrahydrofuran-3,4-diol (CAS 25129-51-5)
- 2-Methyl-5-nitropyridin-3-ol (CAS 36625-58-8)
- 7-Methyl-2-((3-(trifluoromethyl)benzyl)thio)-4H-pyrido[1,2-a][1,3,5]triazin-4-one (CAS 306979-18-0)
- 2-Thioxo-2,3-dihydrothiazole-5-carboxylic acid (CAS 105983-76-4)
- 2-MethylÂoctaÂdecanoyl chloride (CAS 75817-66-2)
- 3-Methyl-2-phenylbutanenitrile (CAS 5558-29-2)
- 3-Bromo-1-methylindazole 326474-67-3 N-Methyl-3-bromoindazole (CAS 326474-67-3)
- tert-butyl N-(3-ethoxy-2-oxopropyl)carbamate (CAS 2007599-24-6)
- Semaglutide (CAS CATO-C4X-2226105)
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