2-Methyl-4,9-dioxo-4H,9H-naphtho[2,3-b]furan-3-carboxylic acid CAS 4655-54-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4655-54-3 |
| Molecular Formula | C14H8O5 |
| Molecular Weight | 256.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Methyl-4,9-dioxo-4H,9H-naphtho[2,3-b]furan-3-carboxylic acid (CAS 4655-54-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C14H8O5. Molecular weight: 256.21 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C14H8O5 |
| Molecular Weight | 256.21 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, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
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Recommended Standards
- 2-Amino-2-(4,5-dimethoxy-2-nitrophenyl)acetic Acid (CAS 241155-20-4)
- 3,4,5-Trimethoxyphthalic acid (CAS 50276-60-3)
- 2’-O,4’-C-Methyleneuridine (CAS 200435-92-3)
- (3R)-1,3-Dimethylpiperidin-4-one (CAS 1527494-98-9)
- 8-Methyl-1,2,3,4-tetrahydroisoquinoline (CAS 129961-74-6)
- 2-([3-(Trifluoromethyl)phenyl]methyl)oxirane (CAS 713-71-3)
- YM 60828 (CAS 179755-65-8)
- 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-, polymer with 1,2-ethanediol and 2,5-furandione, brominated (CAS 68037-25-2)
- Palatinose (CAS 13718-94-0)
- Semaglutide Impurity 6 (CAS 62-57-7)
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