(Z)-5-hydroxy-2-(2-hydroxy-3-methoxybenzylidene)benzofuran-3(2H)-one CAS 866156-43-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 866156-43-6 |
| Molecular Formula | C16H12O5 |
| Molecular Weight | 284.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(Z)-5-hydroxy-2-(2-hydroxy-3-methoxybenzylidene)benzofuran-3(2H)-one (CAS 866156-43-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H12O5. Molecular weight: 284.26 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H12O5 |
| Molecular Weight | 284.26 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related Z Standards
- 1-Hydroxy-2-(hydroxymethyl)-5-methoxyanthracene-9,10-dione (CAS 103576-97-2)
- n′-[2-hydroxy-5-(trifluoromethyl)phenyl]-n,n-dimethylsulfamide (CAS 1376029-65-0)
- 7-Hydroxy-3-(4-methoxyphenoxy)-4H-chromen-4-one (CAS 137987-99-6)
- 7-Hydroxy-3-(2-methoxyphenoxy)-4H-chromen-4-one (CAS 137988-01-3)
- 1-Hydroxy-6,7-dimethoxyanthracene-9,10-dione (CAS 184885-96-9)
- 1-Hydroxy-3-(hydroxymethyl)-8-methoxyanthracene-9,10-dione (CAS 72049-14-0)
- 1-Hydroxy-8-(2-hydroxyethoxy)anthracene-9,10-dione (CAS 880758-61-2)
- 5-Hydroxy-2-(3-hydroxy-4-methoxyphenyl)-4H-chromen-4-one (CAS 76282-95-6)
Recommended Standards
- (Z)-2-(Furan-2-ylmethylene)-7-methyl-3-oxo-2,3-dihydrobenzofuran-6-yl acetate (CAS 899388-07-9)
- [(4-Methyl-6-oxo-6H-benzo[c]chromen-3-yl)oxy]-acetic acid (CAS 302551-56-0)
- (Z)-2-(Furan-2-ylmethylene)-3-oxo-2,3-dihydrobenzofuran-6-yl propionate (CAS 622358-70-7)
- 2-Amino-3-bromo-5-hydroxypyridine (CAS 186593-53-3)
- Azimilide DiHCl (CAS 149888-94-8)
- 4-(cyclopropylamino)pyridine-2-carboxylic acid (CAS 883987-30-2)
- 3-(1H-1,3-benzodiazol-6-yl)propanoic acid (CAS 155049-54-0)
- 6-(Trifluoromethyl)-1H-pyrazolo[4,3-b]pyridin-3-amine (CAS 1211536-39-8)
- 3-Hydroxy-2,3-dimethylbutan-2-yl hydrogen (4-(3,5-difluorophenyl)thiophen-2-yl)boronate (CAS 1402227-90-0)
- Insulin Degludec Impurity 20 (CAS CATO-C4X-215720)
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