5-(3-(4-Chlorophenyl)isoxazol-5-yl)-1-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione CAS 133040-30-9
| CAS No. | 133040-30-9 |
| Molecular Formula | C18H16ClN3O6 |
| Molecular Weight | 405.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-(3-(4-Chlorophenyl)isoxazol-5-yl)-1-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione (CAS 133040-30-9), a certified reference material (molecular formula C18H16ClN3O6, MW 405.79 g/mol) for analytical method development and quality control.
Based on its molecular formula C18H16ClN3O6, 5-(3-(4-Chlorophenyl)isoxazol-5-yl)-1-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione contains a flavonoid 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 405.79 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-(3-(4-Chlorophenyl)isoxazol-5-yl)-1-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione 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 | C18H16ClN3O6 |
| Molecular Weight | 405.79 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chlorophenyl Standards
- (1E)-1-[6-(4-Chlorophenyl)imidazo[2,1-b][1,3]thiazol-5-yl]-N-[4-(trifluoromethyl)phenyl]methanimine (CAS 338404-63-0)
- (E)-({5-[(4-chlorophenyl)sulfanyl]-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl}methylidene)amino 2-methylpropanoate (CAS 321553-21-3)
- 2-(4-(3-Chlorophenyl)piperazin-1-yl)-N-(5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl)acetamide (CAS 227958-10-3)
- 3-(4-Chlorophenyl)-N-(4-methoxyphenyl)-4-oxo-3,4-dihydrophthalazine-1-carboxamide (CAS 320417-61-6)
- N-(4-Chlorophenyl)-3-(4-methoxyphenyl)-4-oxo-3,4-dihydrophthalazine-1-carboxamide (CAS 338975-87-4)
- 1-(5-(4-Chlorophenyl)-7-phenyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)pyrrolidine-2,5-dione (CAS 489414-69-9)
- 3-(2-Chlorophenyl)-N-[(1E)-1,2-dicyano-2-(2,5-dimethyl-1H-pyrrol-1-yl)eth-1-en-1-yl]-5-methyl-1,2-oxazole-4-carboxamide (CAS 861210-02-8)
- 1-((3-Chlorophenyl)sulfonyl)-4-(3,4-dichlorophenyl)piperazine (CAS 667912-00-7)
Recommended Standards
- 2-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)amino)-2-oxoethyl 2-(methylthio)nicotinate (CAS 502968-59-4)
- Methyl (3E)-2-[(3-chlorophenyl)formamido]-3-{[(4-nitrophenyl)methoxy]imino}propanoate (CAS 318517-68-9)
- 22015-35-6 Europium diiodide Europium iodide (EuI2) EINECS 244-721-0 Europium iodide (CAS 22015-35-6)
- Ethyl 1-(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)-2-methyl-6-oxo-1,4,5,6-tetrahydropyridine-3-carboxylate (CAS 339102-32-8)
- 3-Chloroimidazo[1,2-a]pyridine-6-carbonitrile (CAS 1019027-68-9)
- 3,4-Dimethyl-1H-pyrazol-5-ol (CAS 145092-15-5)
- (4-{[(9H-Fluoren-9-ylmethoxy)carbonyl]-amino}phenoxy)acetic acid (CAS 1217863-10-9)
- N-(4-(Dimethylamino)phenyl)-2-(2-ethylphenoxy)acetamide (CAS 449751-68-2)
- 3-Methyl-4-(methylsulfonyl)piperazin-2-one (CAS 1341622-39-6)
- 1-(2-Chloroethoxy)-4-(methylsulfanyl)benzene (CAS 34334-21-9)
- Choline Fenofibrate Impurity 10 (CAS CATO-C4X-101810)
- 5-Bromo-6-chloro-1-isobutyl-1H-pyrazolo[3,4-b]pyridine (CAS 1707569-07-0)
- 2-Bromo-5-chlorobenzo[b]thiophene (CAS 227802-38-2)
- Semaglutide impurity 97 (CAS CATO-C4X-222697)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com