1H-Isochromene-1,3,4-trione 4-[N-(3-nitrophenyl)hydrazone] CAS 303985-86-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303985-86-6 |
| Molecular Formula | C15H9N3O5 |
| Molecular Weight | 311.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1H-Isochromene-1,3,4-trione 4-[N-(3-nitrophenyl)hydrazone] (CAS 303985-86-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C15H9N3O5. Molecular weight: 311.25 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C15H9N3O5 |
| Molecular Weight | 311.25 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Related H Standards
Recommended Standards
- 4-Methyl-5-trifluoromethyl-2-(4-trifluoromethyl-phenyl)-thiazole (CAS 1965304-63-5)
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- (1r,4s,6s)-5-(Tert-butoxycarbonyl)-7-(trifluoromethyl)-2-oxa-5-azabicyclo[4.1.0]heptane-4-carboxylic acid (CAS 1955485-41-2)
- 2-Amino-1-(3-bromo-5-fluorophenyl)ethan-1-one (CAS 1500201-15-9)
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- 2-(1,3-Dimethyl-5-oxo-4,5-dihydro-1h-pyrazol-4-yl)acetic acid hydrochloride (CAS 1423026-22-5)
- n-Methyl-N-(pyridin-2-ylmethyl)azepan-4-amine (CAS 1340352-95-5)
- 6-Cyclopropyl-2-(methylthio)-4-(trifluoromethyl)nicotinonitrile (CAS 886493-68-1)
- Semaglutide impurity 261 (CAS CATO-C4X-2226261)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com