5-Amino-8-methoxynaphthalene-1,4-dione CAS 68217-28-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 68217-28-7 |
| Molecular Formula | C11H9NO3 |
| Molecular Weight | 203.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Amino-8-methoxynaphthalene-1,4-dione (CAS 68217-28-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H9NO3. Molecular weight: 203.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H9NO3 |
| Molecular Weight | 203.19 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 methanol, ethanol, DMSO |
| 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.) | 1976 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 5-(P-tolyl)isoxazole-4-carboxylic acid (CAS 887408-19-7)
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- 2-Chloro-n-[2-(methylsulfanyl)phenyl]propanamide (CAS 743444-42-0)
- 7-Bromo-5-methyl-1H-indole-3-carbaldehyde (CAS 16077-60-4)
- tert-Butyl (2-(6-formyl-5-hydroxypyridin-3-yl)ethyl)carbamate (CAS 1393575-67-1)
- Methyl 2,4-dimethoxybenzoate (CAS 2150-41-6)
- 4-Chloro-2-(1,1-difluoroethyl)pyridine (CAS 1644386-39-9)
- 5-Chloro-N-(4-methoxyphenyl)-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxamide (CAS 158713-26-9)
- Semaglutide impurity 67 (CAS CATO-C4X-222667)
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