| Identification | More | [Name]
Rhamnetin | [CAS]
90-19-7 | [Synonyms]
3,3',4',5'-TETRAHYDROXY-7-METHOXYFLAVONE
3,3',4',5-TETRAHYDROXY-7-METHOXYFLAVONE
3,3,4,5-TETRAHYDROXY-7-METHOXYFLAVONE
3,5,3',4'-TETRAHYDROXY-7-METHOXYFLAVONE
7-METHYLQUERCETIN
B-RHAMNOCITRIN
QUERCETIN-7-METHYL ETHER
RHAMNETIN
2-(3,4-dihydroxyphenyl)-3,5-dihydroxy-7-methoxy-4h-1-benzopyran-4-on
3,3’,4’,5-tetrahydroxy-7-methoxy-flavon
7-methoxy-3,3’,4’,5-tetrahydroxy-flavon
7-methoxyquercetin
7-o-methylquercetin
beta-rhamnocitrin
c.i.75690
RHAMNETIN(SH)
7METHOXY3345TETRAHYDROXYFLAVONE
3,5,3'',4''-TETRAHYDROXY-7-METHOXYFLAVONE WITH HPLC
QUERCETIN-7-METHYL ETHER hplc
3,3,4,5-TETRAHYDROXY-7-METHOXYFLAVONE TECH GRADE | [EINECS(EC#)]
201-974-1 | [Molecular Formula]
C16H12O7 | [MDL Number]
MFCD00016931 | [Molecular Weight]
316.26 | [MOL File]
90-19-7.mol |
| Chemical Properties | Back Directory | [Melting point ]
293-296°C (dec.) | [Boiling point ]
375.7°C (rough estimate) | [density ]
1.3347 (rough estimate) | [refractive index ]
1.4790 (estimate) | [storage temp. ]
2-8°C
| [solubility ]
DMSO (Slightly), Methanol (Slightly, Heated) | [form ]
neat | [pka]
6.15±0.40(Predicted) | [color ]
Light Yellow to Dark Yellow | [BRN ]
47741 | [Stability:]
Hygroscopic | [LogP]
2.580 (est) | [CAS DataBase Reference]
90-19-7(CAS DataBase Reference) |
| Safety Data | Back Directory | [Hazard Codes ]
Xi | [Risk Statements ]
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37:Wear suitable protective clothing and gloves . | [WGK Germany ]
3
| [RTECS ]
LK8748000
| [F ]
3-10 |
| Hazard Information | Back Directory | [Uses]
O-Methylated metabolite of the flavanoid Quercertin (Q509500) with antioxidant activity. | [Definition]
ChEBI: A monomethoxyflavone that is quercetin methylated at position 7. | [storage]
4°C, protect from light | [Purification Methods]
Crystallise rhamnetin from EtOH (m 292-293o), aqueous EtOH (m 294-296o) or MeOH (m 290-294o). or Me2CO/MeOH. [Kuhn & Low Chem Ber 77 211 1944, Jurd J Am Chem Soc 80 5531 1958.] The tetra-acetate has m 189-190o (from Me2CO/MeOH). [Beilstein 18 H 245, 18 II 237, 18 III/IV 3474.] |
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Sigma-Aldrich
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