330572-47-9 MS-10661 N'-(5-bromo-2-oxo-2,3-dihydro-1H-indol-3-ylidene)-2-(naphthalen-1-yloxy)acetohydrazide CAS 330572-47-9
| CAS No. | 330572-47-9 |
| Molecular Formula | C20H14BrN3O3 |
| Molecular Weight | 424.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 330572-47-9 MS-10661 N'-(5-bromo-2-oxo-2,3-dihydro-1H-indol-3-ylidene)-2-(naphthalen-1-yloxy)acetohydrazide (CAS 330572-47-9), a certified reference material (molecular formula C20H14BrN3O3, MW 424.25 g/mol) for analytical method development and quality control.
Structurally, 330572-47-9 MS-10661 N'-(5-bromo-2-oxo-2,3-dihydro-1H-indol-3-ylidene)-2-(naphthalen-1-yloxy)acetohydrazide (C20H14BrN3O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 424.25 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 330572-47-9 MS-10661 N'-(5-bromo-2-oxo-2,3-dihydro-1H-indol-3-ylidene)-2-(naphthalen-1-yloxy)acetohydrazide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C20H14BrN3O3 |
| Molecular Weight | 424.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Recommended Standards
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Why CATO?
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