5-(((3-Chlorophenyl)thio)methyl)-N-hydroxyisoxazole-3-carboxamide CAS 823220-03-7
| CAS No. | 823220-03-7 |
| Molecular Formula | C11H9ClN2O3S |
| Molecular Weight | 284.72 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 5-(((3-Chlorophenyl)thio)methyl)-N-hydroxyisoxazole-3-carboxamide.
5-(((3-Chlorophenyl)thio)methyl)-N-hydroxyisoxazole-3-carboxamide (CAS 823220-03-7) is a high-purity analytical reference standard with the molecular formula C11H9ClN2O3S and a molecular weight of 284.72 g/mol.
Based on its molecular formula C11H9ClN2O3S, 5-(((3-Chlorophenyl)thio)methyl)-N-hydroxyisoxazole-3-carboxamide contains a nitrogen-containing heterocyclic scaffold, 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 284.72 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.
CATO manufactures 5-(((3-Chlorophenyl)thio)methyl)-N-hydroxyisoxazole-3-carboxamide 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 | C11H9ClN2O3S |
| Molecular Weight | 284.72 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chlorophenyl Standards
- 5-(((2-Chlorophenyl)thio)methyl)-N-hydroxyisoxazole-3-carboxamide (CAS 823220-09-3)
- 5-(((4-Chlorophenyl)thio)methyl)-N-hydroxyisoxazole-3-carboxamide (CAS 823220-04-8)
- N4-(2-Chlorophenyl)-N2-isopropyl-L-asparagine (CAS 1026766-00-6)
- 1-(4-Chlorophenyl)-3-p-tolyl-1H-pyrazol-4-ol (CAS 1202029-14-8)
- 3-(4-Chlorophenyl)-5-(3-methoxyphenyl)-1H-pyrazole (CAS 1204141-87-6)
- 4-N-[(4-chlorophenyl)methyl]quinazoline-2,4-diamine (CAS 1509890-90-7)
- (1-(2-Chlorophenyl)-3-phenyl-1H-pyrazol-4-yl)methanol (CAS 618441-92-2)
- (1-(3-Chlorophenyl)-3-phenyl-1H-pyrazol-4-yl)methanol (CAS 618441-66-0)
Recommended Standards
- 4-Chloro-2-cyano-N,N-dimethyl-1H-benzo[d]imidazole-1-sulfonamide (CAS 88422-35-9)
- 5-((3-Amino-6-methoxypyridin-2-yl)thio)-4-chloropyridazin-3(2H)-one (CAS 86109-81-1)
- 4-Amino-N-(5-chloropyrimidin-2-yl)benzenesulfonamide (CAS 4482-46-6)
- 5-Chloro-N-(5-methylisoxazol-3-yl)-2-(methylthio)pyrimidine-4-carboxamide (CAS 898646-97-4)
- 2-Chloro-N-(1-(4-fluorophenyl)ethyl)-N-isopropylacetamide (CAS 1353967-66-4)
- 3-Chloro-4-nitrobenzonitrile (CAS 34662-29-8)
- 2-Hydroxy-3-methyl-2-phenylbutanoic acid (CAS 15879-60-4)
- Pentoxyverine Impurity 17 (CAS CATO-C4X-227017)
- 9-(2-bromoethyl)-9H-fluorene (CAS 108012-21-1)
- 1-(2,2,2-Trifluoroethyl)-1H-pyrazol-4-amine hydrochloride (CAS 1185177-94-9)
- (-)-N⁶-(2-Phenylisopropyl)adenosine (CAS 38594-96-6)
- Pirbuterol (CAS 38677-81-5)
- tert-butyl 1,5,6,7-tetrahydrospiro[imidazo[4,5-c]pyridine-4,4’-oxane]-5-carboxylate (CAS 1955557-23-9)
- Tirzepatide Impurity 58 (CAS CATO-C4X-324058)
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