2-(2,5-Dihydroxybenzylidene)-1H-indene-1,3(2H)-dione CAS 1023509-67-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1023509-67-2 |
| Molecular Formula | C16H10O4 |
| Molecular Weight | 266.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(2,5-Dihydroxybenzylidene)-1H-indene-1,3(2H)-dione (CAS 1023509-67-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H10O4. Molecular weight: 266.25 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H10O4 |
| Molecular Weight | 266.25 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
Related Dihydroxybenzylidene Standards
- 2-(3,4-Dihydroxybenzylidene)-6-hydroxybenzofuran-3(2H)-one (CAS 100433-06-5)
- N'-(2,4-dihydroxybenzylidene)isonicotinohydrazide (CAS 3477-69-8)
- (5E)-5-(2,3-Dihydroxybenzylidene)-2-mercapto-1,3-thiazol-4(5H)-one (CAS 590376-71-9)
- 3-(2,4-Dihydroxybenzylidene)indolin-2-one (CAS 328106-29-2)
- (Z)-2-(3,4-Dihydroxybenzylidene)-6,7-dihydroxybenzofuran-3(2H)-one (CAS 576-02-3)
- 2-(3,4-Dihydroxybenzylidene)-4,6-dihydroxybenzofuran-3(2H)-one (CAS 480-70-6)
- (E)-5-(3,4-Dihydroxybenzylidene)thiazolidine-2,4-dione (CAS 99073-32-2)
- N'-(2,4-Dihydroxybenzylidene)-4-nitrobenzohydrazide (CAS 303084-13-1)
Recommended Standards
- Anthracene-2,3-dicarboxylic acid (CAS 10210-28-3)
- 3-(2-(Methoxymethyl)-5-methyl-7-oxo-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)propanoic acid (CAS 1030476-68-6)
- 1-Phenyl-5-pyridin-4-yl-1H-1,2,3-triazole-4-carboxylic acid (CAS 1017415-16-5)
- 5-methyl-N-(propan-2-yl)-1,3,4-thiadiazol-2-amine (CAS 62347-23-3)
- 1,3,5,7-Tetrakis(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)adamantane (CAS 1636119-48-6)
- 2-(2,5-Difluorophenyl)propan-2-amine (CAS 1176702-74-1)
- 3(2H)-furanone, dihydro-4-(3-methoxyphenyl)- (CAS 907214-31-7)
- 5-(Hydroxymethyl)-3-methyl-1,3-thiazol-2(3H)-one (CAS 2091180-64-0)
- 1-Bromo-5-chloro-4-(difluoromethyl)-2-fluorobenzene (CAS 1214352-75-6)
- Semaglutide Impurity 15 (CAS CATO-C4X-222615)
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