4'-O-Methyl-(-)-Epi-Gallocatechin CAS 17291-05-3
| CAS No. | 17291-05-3 |
| Molecular Formula | C16H16O7 |
| Molecular Weight | 320.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4'-O-Methyl-(-)-Epi-Gallocatechin.
CATO supplies 4'-O-Methyl-(-)-Epi-Gallocatechin (CAS 17291-05-3), a certified reference material (molecular formula C16H16O7, MW 320.29 g/mol) for analytical method development and quality control.
Structurally, 4'-O-Methyl-(-)-Epi-Gallocatechin (C16H16O7) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 320.29 g/mol, it falls into the moderately-high-molecular-weight range. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C16H16O7 |
| Molecular Weight | 320.29 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
Recommended Standards
- (2R,3R,4S,5R,6R)-2-(hydroxymethyl)-6-methoxytetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 16668-00-1)
- Methyl 2-3-6-tri-O-acetyl-α-D-glucopyranoside (CAS 18031-51-1)
- Methyl 3-[4-(ethoxycarbonyl)-3-fluorophenyl]-2-fluorobenzoate (CAS 1381944-56-4)
- (2R,3R,4S,5R,6R)-2-(acetoxymethyl)-4-hydroxy-6-methoxytetrahydro-2H-pyran-3,5-diyl diacetate (CAS 19464-78-9)
- Octahydro-4,7-methano-5H-inden-5-one (CAS 13380-94-4)
- 5-(S-Methylsulfonimidoyl)nicotinic acid (CAS 2361982-77-4)
- 2-[(Cyclopropylcarbonyl)amino]-1,3-thiazole-4-carboxylic acid (CAS 941869-46-1)
- XIF870BGWW 3524-62-7 Methyl benzoin Acetophenone, 2-methoxy-2-phenyl- Ethanone, 2-methoxy-1,2-diphenyl- O-Methylbenzoin 4-08-00-01280 (Beilstein Handbook Reference) AI3-10591 Benzoin methyl ester Benzoin methyl ether BRN 2052112 EINECS 222-538-7 alpha-Methoxybenzyl phenyl ketone alpha-Methoxydeoxybenzoin 2-Methoxy-1,2-diphenylethanone 2-Methoxy-2-phenylacetophenone Nisso Cure MBO NSC 76550 QCU 3 UNII-XIF870BGWW (CAS 3524-62-7)
- 2,6-Dichlorophenyl-4'-nitrophenyl ether (CAS 2093-28-9)
- 6-(Tert-butoxycarbonyl)-2,6-diazaspiro[3.3]Heptane-1-carboxylic acid (CAS 1822511-47-6)
- 3-(5-Chloro-2-methoxyphenyl)propanoic acid (CAS 5553-96-8)
- N-(1-Cyanocyclohexyl)-2-((5-(o-tolylamino)-1,3,4-thiadiazol-2-yl)thio)acetamide (CAS 863412-36-6)
- 1-(1-Ethyl-1H-pyrazole-4-sulfonyl)-piperidine-3-carboxylic acid (CAS 957477-71-3)
- Des-Leu14-Tirzepatide (CAS CATO-CPTD788959)
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