5-[3-(Methylsulfonyl)phenyl]-1,3,4-oxadiazol-2-amine CAS 1016764-70-7
| CAS No. | 1016764-70-7 |
| Molecular Formula | C9H9N3O3S |
| Molecular Weight | 239.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 5-[3-(Methylsulfonyl)phenyl]-1,3,4-oxadiazol-2-amine 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.
CATO supplies 5-[3-(Methylsulfonyl)phenyl]-1,3,4-oxadiazol-2-amine (CAS 1016764-70-7), a certified reference material (molecular formula C9H9N3O3S, MW 239.25 g/mol) for analytical method development and quality control.
Structurally, 5-[3-(Methylsulfonyl)phenyl]-1,3,4-oxadiazol-2-amine (C9H9N3O3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 239.25 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
Physical & Chemical Properties
| Molecular Formula | C9H9N3O3S |
| Molecular Weight | 239.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Methylsulfonyl Standards
- 5-[4-(Methylsulfonyl)phenyl]-1,3,4-oxadiazol-2-amine (CAS 1016504-27-0)
- 5-[2-(Methylsulfonyl)phenyl]-1,3,4-oxadiazol-2-amine (CAS 1105193-94-9)
- 4-(5-(Methylsulfonyl)-1,3,4-oxadiazol-2-yl)aniline (CAS 1858267-88-5)
- 2-(Methylsulfonyl)-1H-benzo[d]imidazole-4-carboxamide (CAS 636574-48-6)
- 2-Methyl-4-(methylsulfonyl)pyrido[2,3-d]pyrimidin-7(8H)-one (CAS 2803930-60-9)
- 5-(Methylsulfonyl)-1H-indole-2-carboxylic acid (CAS 367501-41-5)
- 6-(Methylsulfonyl)-1h-indole-2-carboxylic acid (CAS 383132-63-6)
- 1-(1-(Methylsulfonyl)indolin-5-yl)ethanone (CAS 1176017-48-3)
Recommended Standards
- 2-(5,6-Dimethyl-4-oxothieno[2,3-d][1,2,3]triazin-3(4H)-yl)acetic acid (CAS 1017679-95-6)
- 5-(5-Mercapto-4-methyl-4h-1,2,4-triazol-3-yl)-1-methyl-1h-pyrazole-3-carboxylic acid (CAS 1005580-13-1)
- n-(5-Amino-4h-1,2,4-triazol-3-yl)benzenesulfonamide (CAS 104667-72-3)
- Finerenone Impurity 198 (CAS 1097097-47-6)
- N2-(4-Bromophenyl)-5-fluoro-N4-(pyridin-2-ylmethyl)pyrimidine-2,4-diamine (CAS 1956356-26-5)
- 4-((4-Chloro-3-nitrobenzylidene)amino)-3-(m-tolyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478256-23-4)
- 4-Bromo-3-(difluoromethyl)pyridine-5-carboxaldehyde (CAS 1805021-78-6)
- 5,5''-Dihexyl-2,2':5',2''-terthiophene (CAS 188917-41-1)
- Taraxerol (CAS 127-22-0)
- 1-Benzyl-4-chloro-1H-pyrazolo[4,3-c]pyridine (CAS 41372-97-8)
- 4-Chloro-5-(difluoromethyl)-2-iodopyridine-3-sulfonyl chloride (CAS 1804663-84-0)
- Dimethyl 1-benzyl-3,4-dihydroxy-1H-pyrrole-2,5-dicarboxylate (CAS 148528-45-4)
- 3-(3-Phenyl-1,2,4-oxadiazol-5-yl)piperidine hydrochloride (CAS 1185302-70-8)
- Palmitoyl Tripeptide-1 TFA salt (CAS 2803375-47-3)
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