3-(1-Oxophthalazin-2(1H)-yl)propanehydrazide CAS 618442-00-5
| CAS No. | 618442-00-5 |
| Molecular Formula | C11H12N4O2 |
| Molecular Weight | 232.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-(1-Oxophthalazin-2(1H)-yl)propanehydrazide 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.
3-(1-Oxophthalazin-2(1H)-yl)propanehydrazide (CAS 618442-00-5), molecular formula C11H12N4O2 and molecular weight 232.24 g/mol, is a CATO reference standard with documented purity and traceability.
3-(1-Oxophthalazin-2(1H)-yl)propanehydrazide (C11H12N4O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C11H12N4O2 |
| Molecular Weight | 232.24 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 4 |
Related Oxophthalazin Standards
- Ethyl 2-(1-oxophthalazin-2(1H)-yl)acetate (CAS 18584-72-0)
- 2-(4-Ethyl-1-oxophthalazin-2(1H)-yl)acetic acid (CAS 298682-27-6)
- 2-(4-Methyl-1-oxophthalazin-2(1H)-yl)propanoic acid (CAS 332886-32-5)
- 3-(4-Methyl-1-oxophthalazin-2(1H)-yl)propanoic acid (CAS 91393-18-9)
- Methyl 3-(1-oxophthalazin-2(1H)-yl)propanoate (CAS 618441-99-9)
- 2-(1-Oxophthalazin-2(1H)-yl)acetohydrazide (CAS 18584-75-3)
- 2-(1-Oxophthalazin-2(1H)-yl)butanehydrazide (CAS 618442-01-6)
- 2-(1-Oxophthalazin-2(1H)-yl)propanoic acid (CAS 626224-07-5)
Recommended Standards
- 3-(1-Methyl-4-oxo-1,4-dihydro-quinazolin-2-yl)-propionic acid (CAS 730957-01-4)
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- 3-((4-Nitrophenyl)amino)cyclohex-2-en-1-one (CAS 36646-76-1)
- 3-(2,5-Dimethoxyphenyl)-1H-pyrazole-4-carbaldehyde (CAS 879996-64-2)
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- 2-(1H-Benzo[d]imidazol-1-yl)-N-(3,4-difluorophenyl)acetamide (CAS 733791-01-0)
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