8-O-Demethyl-7-O-methyl-3,9-dihydropunctatin CAS 93078-83-2
| CAS No. | 93078-83-2 |
| Molecular Formula | C17H16O6 |
| Molecular Weight | 316.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 8-O-Demethyl-7-O-methyl-3,9-dihydropunctatin under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
CATO supplies 8-O-Demethyl-7-O-methyl-3,9-dihydropunctatin (CAS 93078-83-2), a certified reference material (molecular formula C17H16O6, MW 316.31 g/mol) for analytical method development and quality control.
Based on its molecular formula C17H16O6, 8-O-Demethyl-7-O-methyl-3,9-dihydropunctatin contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 316.31 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C17H16O6 |
| Molecular Weight | 316.31 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
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Recommended Standards
- 8-Nitro-N-quinolin-8-ylquinolin-2-amine (CAS 330663-17-7)
- Azoxystrobin Impurity (CAS 475479-10-8)
- 8-(4-Oxo-1,4-dihydroquinazolin-2-yl)-1-naphthoic acid (CAS 61802-38-8)
- Ethyl 4-(2-(2,4-dihydroxyphenyl)-2-oxoethoxy)benzoate (CAS 637750-84-6)
- N1-cyclopentyl-N1-methyl-N2-(thietan-3-yl)ethane-1,2-diamine (CAS 1863099-69-7)
- 2-Hydroxy-2-(5-methylthiazol-2-yl)acetonitrile (CAS 1355223-99-2)
- 2-[4-(Benzyloxy)phenyl]thiophene (CAS 893738-93-7)
- 1-Methyl-5-(trichloroacetyl)-1h-pyrrole-3-carbonitrile (CAS 135250-39-4)
- 1-{2-[(4-chlorophenyl)sulfanyl]-4-methylquinolin-3-yl}ethan-1-one (CAS 400074-43-3)
- 5-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)pentanoic Acid (CAS 57078-99-6)
- 3-Fluoro-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinoline (CAS 852062-12-5)
- Benserazide impurity 35 (CAS CATO-C4X-142735)
- 6H-Purin-6-one (CAS 26078-04-6)
- Ginseng Tetrapeptide (CAS 178553-95-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com