5-Hydroxy-2-(4-hydroxyphenyl)-6,7,8-trimethoxy-4H-chromen-4-one CAS 16545-23-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 16545-23-6 |
| Molecular Formula | C18H16O7 |
| Molecular Weight | 344.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Hydroxy-2-(4-hydroxyphenyl)-6,7,8-trimethoxy-4H-chromen-4-one (CAS 16545-23-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C18H16O7. Molecular weight: 344.32 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C18H16O7 |
| Molecular Weight | 344.32 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.) | 1961 |
Related Hydroxy Standards
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Recommended Standards
- 159435-03-7 4-Dimethylamino-2-hydroxy-2 inverted exclamation mark -methoxycarbonyl-4 inverted exclamation mark -nitrobenzophenone (CAS 159435-03-7)
- (S)-2-(((Benzyloxy)carbonyl)amino)-3-(4-nitrophenyl)propanoic acid (CAS 17224-90-7)
- 159435-02-6 4-Dimethylamino-2-hydroxy-2 inverted exclamation mark -methoxycarbonyl-5 inverted exclamation mark -nitrobenzophenone (CAS 159435-02-6)
- (4aS,8aR)-octahydronaphthalen-1(2H)-one 21370-71-8 trans-1-Decalone (CAS 21370-71-8)
- (2-Amino-5-bromophenyl)(p-tolyl)methanone (CAS 5621-60-3)
- Di(1H-pyrrol-1-yl)methanone (CAS 54582-33-1)
- (2-Amino-4-methylphenyl)(cyclopropyl)methanone (CAS 172528-62-0)
- [cis-4-fluoro-1-(1,3-thiazol-2-ylmethyl)pyrrolidin-2-yl]methanamine (CAS 1820574-23-9)
- (3,5-Dimethyl-1-o-tolyl-1H-pyrazol-4-yl)-acetic acid (CAS 51894-47-4)
- Vancomycin Hexapeptide (CAS 115236-65-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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