Ethyl 2-amino-4-(2,6-dichlorophenyl)-5-oxo-4H,5H-thiochromeno[4,3-b]pyran-3-carboxylate CAS 939889-03-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 939889-03-9 |
| Molecular Formula | C21H15Cl2NO4S |
| Molecular Weight | 448.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 2-amino-4-(2,6-dichlorophenyl)-5-oxo-4H,5H-thiochromeno[4,3-b]pyran-3-carboxylate (CAS 939889-03-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H15Cl2NO4S. Molecular weight: 448.32 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H15Cl2NO4S |
| Molecular Weight | 448.32 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) | 14.0 |
| 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
- Ethyl 2-amino-4-(2,4-dichlorophenyl)-5-oxo-4H,5H-thiochromeno[4,3-b]pyran-3-carboxylate (CAS 923551-49-9)
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- Methyl 6-amino-5-cyano-2-{[(3-cyano-6-methylpyridin-2-yl)sulfanyl]methyl}-4-(4-methoxyphenyl)-4H-pyran-3-carboxylate (CAS 489416-89-9)
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Recommended Standards
- N-(3-(3,4-dichlorophenyl)imidazo[1,2-a]pyridin-8-yl)-4-methoxybenzenesulfonamide (CAS 338415-29-5)
- Bis[(5-ethyl-2-methyl-1,3,2-dioxaphosphorinan-5-yl)methyl] methyl phosphonate P,P'-dioxide (CAS 42595-45-9)
- 1-[3-[(4-Bromophenyl)sulfonyl]-2-quinoxalinyl]-4-piperidinol (CAS 1350960-66-5)
- 2-Methoxy-N-(pentan-3-yl)pyridin-3-amine (CAS 1157629-46-3)
- (4-Amino-3-methoxyphenyl)(imino)(methyl)-l6-sulfanone (CAS 2452252-38-7)
- Nonafluoropentanal hydrate (CAS 907607-08-3)
- Tert-butyl 9-methylene-3-azaspiro[5.5]Undecane-3-carboxylate (CAS 2222579-12-4)
- 2-(2-Bromophenyl)-9-phenyl-9H-carbazole (CAS 1616607-88-5)
- Ethyl 1-cyclopentyl-1H-benzo[d]imidazole-5-carboxylate (CAS 1845690-60-9)
- Semaglutide impurity 22(OtBu-Ste-γGlu(OtBu)-AEEA-AEEA-OH) (CAS 1118767-16-0)
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