| CAS No. | 303984-77-2 |
| Molecular Formula | C20H14N4O3 |
| Molecular Weight | 358.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO manufactures 1-Phenyl-1H-indole-2,3-dione 3-[N-(4-nitrophenyl)hydrazone] 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.
1-Phenyl-1H-indole-2,3-dione 3-[N-(4-nitrophenyl)hydrazone] (CAS 303984-77-2) is a high-purity analytical reference standard with the molecular formula C20H14N4O3 and a molecular weight of 358.35 g/mol.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 1-Phenyl-1H-indole-2,3-dione 3-[N-(4-nitrophenyl)hydrazone] is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 358.35 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
| Molecular Formula | C20H14N4O3 |
| Molecular Weight | 358.35 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |