5-Isopropyl-7-methyl-2H-naphtho[1,8-bc]furan-3,4-diol CAS 57765-65-8
| CAS No. | 57765-65-8 |
| Molecular Formula | C15H16O3 |
| Molecular Weight | 244.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
5-Isopropyl-7-methyl-2H-naphtho[1,8-bc]furan-3,4-diol (CAS 57765-65-8) is a high-purity analytical reference standard with the molecular formula C15H16O3 and a molecular weight of 244.29 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system, 5-Isopropyl-7-methyl-2H-naphtho[1,8-bc]furan-3,4-diol is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 244.29 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 5-Isopropyl-7-methyl-2H-naphtho[1,8-bc]furan-3,4-diol 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.
Physical & Chemical Properties
| Molecular Formula | C15H16O3 |
| Molecular Weight | 244.29 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
Related Isopropyl Standards
- 1-benzyl-5-isopropyl-1H-pyrazole-4-carboxylic acid (CAS 1152549-00-2)
- 5-(4-Isopropyl-3-methylphenoxy)furan-2-carbaldehyde (CAS 1291491-29-6)
- N-(1-isopropyl-1H-pyrazol-5-yl)-N’-phenylurea (CAS 1955564-45-0)
- 2-Isopropyl-1-methyl-1 H -benzoimidazol-5-ylamine; dihydrochloride (CAS 4636-65-1)
- 2-Isopropyl-6-(phenoxymethyl)pyrimidin-4-ol (CAS 40070-00-6)
- N-isopropyl-5-methoxy-2-(pyridin-2-yl)pyrimidin-4-amine (CAS 338771-57-6)
- N-Isopropyl-2-nitrobenzenesulfonamide (CAS 23530-42-9)
- N-isopropyl-3-nitrobenzenesulfonamide (CAS 28860-10-8)
Recommended Standards
- 5-Isobutyl-1-phenyl-1H-pyrazole-3-carboxylic acid (CAS 3191-85-3)
- 5-Methoxy-2-{[(4-methylpyridin-2-yl)amino]methyl}phenol (CAS 306730-32-5)
- 5-Chrysenol (CAS 84498-34-0)
- 5'-Methoxyspiro[cyclohexane-1,2'-indene]-1',4(3'H)-dione (CAS 56868-15-6)
- 3-(2,4-Dimethoxyphenyl)-1-methyl-1h-pyrazol-5-amine (CAS 1152666-89-1)
- Tert-butyl 4-(4-amino-2,6-difluorophenyl)-3,6-dihydropyridine-1(2H)-carboxylate (CAS 188975-21-5)
- 1-(Pyridin-4-yl)piperidine-4-carboxylic acid dihydrochloride (CAS 1209880-00-1)
- Pemafibrate Impurity 46 (CAS CATO-C4X-290346)
- 7,8-Dihydro-5H-pyrano[4,3-b]pyridine-3-carbaldehyde (CAS 1196155-95-9)
- Venetoclax Impurity 142 (CAS CATO-C4X-2495142)
- 4-(Benzo[d]thiazol-2-yl)-1-(m-tolyl)-1H-1,2,3-triazol-5-amine (CAS 1032227-71-6)
- 3-(5-(3-Chlorophenyl)thiophen-2-yl)acrylic acid (CAS 1049607-01-3)
- Deruxtecan (CAS 1599440-13-7)
- Fibronectin Adhesion-Promoting Peptide (CAS 125720-21-0)
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