5-Nitro-3-phenyl-1H-indazole CAS 293758-67-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 293758-67-5 |
| Molecular Formula | C13H9N3O2 |
| Molecular Weight | 239.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Nitro-3-phenyl-1H-indazole (CAS 293758-67-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H9N3O2. Molecular weight: 239.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H9N3O2 |
| Molecular Weight | 239.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 5-Nitro-n4-((tetrahydrofuran-2-yl)methyl)pyrimidine-4,6-diamine (CAS 304692-59-9)
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- 6-((tert-Butoxycarbonyl)amino)pyridazine-4-carboxylic acid (CAS 2452465-21-1)
- Ethyl 2-((4-(4-fluorophenyl)pyrimidin-2-yl)thio)acetate (CAS 828276-28-4)
- (E)-1-(4-bromophenyl)-3-((((2-chlorophenyl)carbamoyl)oxy)(methyl)amino)prop-2-en-1-one (CAS 303151-52-2)
- 3-phenyl-1H,6H,7H-pyrazolo[4,3-d]pyrimidin-7-one (CAS 70015-80-4)
- Methyl 2,6-dichlorobenzoate (CAS 14920-87-7)
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