5-(5-Methyl-1,2,4-oxadiazol-3-yl)-3-nitrobenzene-1,2-diol CAS 923288-13-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 923288-13-5 |
| Molecular Formula | C9H7N3O5 |
| Molecular Weight | 237.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(5-Methyl-1,2,4-oxadiazol-3-yl)-3-nitrobenzene-1,2-diol (CAS 923288-13-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H7N3O5. Molecular weight: 237.17 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H7N3O5 |
| Molecular Weight | 237.17 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 5-(5-Methyl-1,3,4-oxadiazol-2-yl)-3-nitrobenzene-1,2-diol (CAS 923288-14-6)
- 3-(5-Phenyl-1,3,4-oxadiazol-2-yl)aniline (CAS 107559-05-7)
- 2-(3-Phenyl-1,2,4-oxadiazol-5-yl)aniline (CAS 40077-67-6)
- 3-(3-Phenyl-1,2,4-oxadiazol-5-yl)aniline (CAS 54494-13-2)
- 4-(3-Phenyl-1,2,4-oxadiazol-5-yl)aniline (CAS 54494-12-1)
- 4-(5-Phenyl-1,3,4-oxadiazol-2-yl)aniline (CAS 53338-48-0)
- 3-(3-Methyl-1,2,4-oxadiazol-5-yl)-4,7-dihydro-5H-thieno[2,3-c]pyran-2-amine (CAS 1522372-21-9)
- 4-(((5-Ethyl-1,3,4-oxadiazol-2-yl)methyl)thio)phenol (CAS 1178921-80-6)
Recommended Standards
- 5-(3-Methoxy-4-nitrophenyl)-1,3,4-oxadiazol-2(3H)-one (CAS 648917-62-8)
- 4-Methoxy-6-methyl-5-nitroisobenzofuran-1,3-dione (CAS 89586-40-3)
- 5-[(4-nitro-1h-pyrazol-1-yl)methyl]furan-2-carboxylic acid (CAS 436086-87-2)
- 4-Hydroxy-2-oxo-1-propyl-2,5-dihydro-1H-pyrrole-3-carbonitrile (CAS 400081-59-6)
- (1S)-1-phenylpropane-1,3-diamine (CAS 208655-12-3)
- 3,7-Dimethylocta-1,6-diene-3-thiol (CAS 39707-47-6)
- 2-Amino-4-(4H-1,2,4-triazol-4-yl)benzoic acid (CAS 915920-19-3)
- 3-iodo-6-methyl-1h-indazole (CAS 885518-96-7)
- 6-Fluoro-4-methyl-1,2,3,4-tetrahydronaphthalen-1-one (CAS 61191-92-2)
- Peptide 439 (CAS CATO-CPTD788439)
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