(S)-5',8'-dimethoxy-3',4'-dihydro-1'H-spiro[imidazolidine-4,2'-naphthalene]-2,5-dione CAS 1391557-65-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1391557-65-5 |
| Molecular Formula | C14H16N2O4 |
| Molecular Weight | 276.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
(S)-5',8'-dimethoxy-3',4'-dihydro-1'H-spiro[imidazolidine-4,2'-naphthalene]-2,5-dione (CAS 1391557-65-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H16N2O4. Molecular weight: 276.29 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H16N2O4 |
| Molecular Weight | 276.29 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.) | 1991 |
| Nitrogen Atoms | 2 |
Related S Standards
- 5',8'-Dimethoxy-3',4'-dihydro-1'H-spiro[imidazolidine-4,2'-naphthalene]-2,5-dione (CAS 86264-49-5)
- 8,9-Dimethoxy-2-methyl-5H,6H-[1,2,4]triazolo[1,5-c]quinazoline-5-thione (CAS 860610-66-8)
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- 6,7-Dimethoxy-1-(thiophen-2-yl)-1,2,3,4-tetrahydroisoquinoline (CAS 511239-03-5)
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