n-(2-Chlorophenyl)-2-sulfanyl-1,3-benzoxazole-5-sulfonamide CAS 380426-70-0
| CAS No. | 380426-70-0 |
| Molecular Formula | C13H9ClN2O3S2 |
| Molecular Weight | 340.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies n-(2-Chlorophenyl)-2-sulfanyl-1,3-benzoxazole-5-sulfonamide (CAS 380426-70-0), a certified reference material (molecular formula C13H9ClN2O3S2, MW 340.81 g/mol) for analytical method development and quality control.
n-(2-Chlorophenyl)-2-sulfanyl-1,3-benzoxazole-5-sulfonamide (C13H9ClN2O3S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures n-(2-Chlorophenyl)-2-sulfanyl-1,3-benzoxazole-5-sulfonamide 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 | C13H9ClN2O3S2 |
| Molecular Weight | 340.81 g/mol |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related n Standards
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- 2-(3-Chlorophenyl)dibenzo[f,h]quinoxaline (CAS 1677677-90-5)
- (S)-[2-(4-Chlorophenyl)-1-pyrrolidinyl](3-methyl-1H-pyrazolo[3,4-b]pyridin-5-yl)methanone (CAS 1883423-59-3)
- N-(2-chlorophenyl)-1-(3,4-dimethylphenyl)-5-methyl-1H-1,2,3-triazole-4-carboxamide (CAS 902887-78-9)
- N-(2-Chlorophenyl)-2-sulfanyl-1,3-benzoxazole-6-sulfonamide (CAS 379254-64-5)
- N-(3-chlorophenyl)-1-(3,4-dimethylphenyl)-5-methyl-1H-1,2,3-triazole-4-carboxamide (CAS 866847-91-8)
- N-(3-Chlorophenyl)-2-sulfanyl-1,3-benzoxazole-5-sulfonamide (CAS 438030-98-9)
Recommended Standards
- Methyl 2-((5-(3-chlorobenzo[b]thiophen-2-yl)-1,3,4-oxadiazol-2-yl)thio)acetate (CAS 433694-47-4)
- 7-Chloro-N-(4-morpholinophenyl)quinazolin-4-amine (CAS 477856-37-4)
- 7-Chloro-2-(4-phenylpiperazin-1-yl)quinazolin-4(1H)-one (CAS 61741-64-8)
- N-(3-Chlorophenyl)-4-(4-cyanophenyl)tetrahydro-1(2H)-pyrazinecarboxamide (CAS 478046-91-2)
- 1-(2,5-Dioxopyrrolidin-1-yl)-2-methylpropan-2-yl benzoate (CAS 90163-14-7)
- 3-(Cyclopropylcarbonyl)-5-nitro-1H-indole (CAS 1094681-83-0)
- (2E)-3-(Dimethylamino)-2-[(E)-4-(4-ethylphenoxy)benzoyl]prop-2-enenitrile (CAS 866152-30-9)
- 3-Amino-2-bromopyridin-4(1H)-one (CAS 1805075-25-5)
- 5-Amino-4-(trifluoromethyl)-1,6-naphthyridine-8-carboxylic acid (CAS 1956377-39-1)
- Bis(4-Fluorobutyl) Ether (CAS 593-23-7)
- Ethyl 3-(2,5-dimethylphenyl)-3-oxopropanoate (CAS 63131-32-8)
- 1H-Pyrazole, 1-[(2-chloro-4-fluorophenyl)methyl]-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- (CAS 1604036-70-5)
- Butyl acetyl-L-leucyl-L-leucinate (CAS 55712-43-1)
- Liraglutide Impurity 22 (CAS 536721-25-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com