5-Phenylbenzo[d]oxazole-2-thiol CAS 17371-99-2
| CAS No. | 17371-99-2 |
| Molecular Formula | C13H9NOS |
| Molecular Weight | 227.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Phenylbenzo[d]oxazole-2-thiol (C13H9NOS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
5-Phenylbenzo[d]oxazole-2-thiol (CAS 17371-99-2), molecular formula C13H9NOS and molecular weight 227.28 g/mol, is a CATO reference standard with documented purity and traceability.
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-Phenylbenzo[d]oxazole-2-thiol 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 | C13H9NOS |
| Molecular Weight | 227.28 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Phenylbenzo Standards
- 2-Phenylbenzo[d]thiazol-6-ol (CAS 33670-44-9)
- 3-Phenylbenzo[d]isoxazole-5,6-diol (CAS 105679-42-3)
- 5-Phenylbenzo[d]thiazol-2-amine (CAS 1208394-99-3)
- 2-Phenylbenzo[d]thiazol-6-amine (CAS 6392-97-8)
- 6-Phenylbenzo[d]thiazol-2-amine (CAS 73458-38-5)
- 2-Phenylbenzo[b]thiophen-3(2H)-one (CAS 53614-69-0)
- 3-Methyl-2-phenylbenzo[f]quinoxaline (CAS 10023-43-5)
- 2-Methyl-6-phenylbenzo[d]thiazole (CAS 107559-02-4)
Recommended Standards
- 3-Acetyl-n,n-dimethylbenzene-1-sulfonamide (CAS 173158-15-1)
- 10-Hydroxyacridine-9(10H)-thione (CAS 177793-33-8)
- 4-Cyclopropyl-5-(ethylsulfonyl)pyrimidin-2-amine (CAS 1707568-24-8)
- Methyl 4-methyl-3-propionamidothiophene-2-carboxylate (CAS 1779088-71-9)
- (2S,3S)-3-amino-1,1,1-trifluoro-4-methylpentan-2-ol (CAS 291778-50-2)
- 1-amino-2-Propanethiol,hydrochloride (CAS 4146-16-1)
- 7Α,27-DIHYDROXYCHOLESTEROL (CAS 4725-24-0)
- 2-Hydrazinyl-4-methyl-6-(methylthio)pyrimidine (CAS 1899-58-7)
- Tert-butyl 2-((4R,6S)-6-formyl-2,2-dimethyl-1,3-dioxan-4-yl)acetate (CAS 123185-87-5)
- 3-Cyclobutyl-2-((thietan-3-ylamino)methyl)propan-1-ol (CAS 1880305-44-1)
- 3-(3,4-Dimethylphenyl)adamantane-1-carboxylic acid (CAS 56531-57-8)
- di-tert-butyl(3-(tert-butyl)-4-methoxy-2,3-dihydrobenzo[d][1,3]oxaphosphol-2-yl)phosphine oxide (CAS 1788085-46-0)
- 7-methyl-1,5-naphthyridin-4-ol (CAS 1232433-11-2)
- Semaglutide Impurity 246 (CAS CATO-C4X-2226246)
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