Basic information
- Name:
Genistein
- CAS No.:
446-72-0
- Molecular Structure:
- Formula:
- C15H10O5
- Molecular Weight:
- 270.23
- Synonyms:
- 4H-1-Benzopyran-4-one, 5, 7-dihydroxy-3- (4-hydroxyphenyl)-;5,7-dihydroxy-3-(4-hydroxyphenyl)-4H-chromen-4-one;5,7-dihydroxy-3-(4-hydroxyphenyl)chromen-4-one;Prunetol;Isoflavone, 4,5,7-trihydroxy-;4H-1-Benzopyran-4-one, 5,7-dihydroxy-3-(4-hydroxyphenyl)-;SIPI 807-1;5,7-Dihydroxy-3-(4-hydroxyphenyl)-4-benzopyrone;5-18-04-00594 (Beilstein Handbook Reference);C.I. 75610;NPI 031L;4,5,7-Trihydroxyisoflavone;4',5,7-trihydroxyisoflavone;4,5, 7-Trihydroxyisoflavone;Genisteol;Baichanin A;Differenol A;4H-1-Benzopyran-4-one,5,7-dihydroxy-3- (4-hydroxyphenyl)-;Genisterin;Sophoricol;5,7,4-Trihydroxyisoflavone;Genistein 4,5,7-Trihydroxyisoflavone;
- EINECS:
- 207-174-9
- Density:
- 1.548 g/cm3
- Melting Point:
- 297-298 °C
- Boiling Point:
- 555.5 °C at 760 mmHg
- Flash Point:
- 217.1 °C
- Solubility:
- insoluble in water
- Appearance:
- Yellow crystalline solid
- Hazard Symbols:
Xi- Risk Codes:
- 36/38
- Safety Description:
- 26-24/25-22 Details
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Chemistry
Molecular Structure of Genistein (CAS NO.446-72-0):
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IUPAC Name: 5,7-dihydroxy-3-(4-hydroxyphenyl)chromen-4-one
Empirical Formula: C15H10O5
Molecular Weight: 270.2369
H bond acceptors: 5
H bond donors: 3
Freely Rotating Bonds: 4
Polar Surface Area: 86.99 Å2
Index of Refraction: 1.732
Molar Refractivity: 69.85 cm3
Molar Volume: 174.5 cm3
Surface Tension: 79.5 dyne/cm
Density: 1.548 g/cm3
Flash Point: 217.1 °C
Enthalpy of Vaporization: 86.81 kJ/mol
Boiling Point: 555.5 °C at 760 mmHg
Vapour Pressure: 6E-13 mmHg at 25°C
Melting point: 297-298 °C
Storage temp: −20°C
Water Solubility: insoluble
Merck: 14,4391
BRN: 263823
InChI
InChI=1/C15H10O5/c16-9-3-1-8(2-4-9)11-7-20-13-6-10(17)5-12(18)14(13)15(11)19/h1-7,16-18H
Smiles
c12c(c(c(c3ccc(O)cc3)co1)=O)c(cc(c2)O)O
EINECS: 207-174-9
Product Categories: pharmacetical; Biochemistry; Flavonoids; Natural Plant Extract; The group of Daidzin; Inhibitors; Tyrosine Kinase Inhibitors; Protein Kinase; Signalling
Synonyms: 4H-1-Benzopyran-4-one, 5, 7-dihydroxy-3- (4-hydroxyphenyl)- ; 5,7-dihydroxy-3-(4-hydroxyphenyl)-4H-chromen-4-one ; 5,7-dihydroxy-3-(4-hydroxyphenyl)chromen-4-one ; Isoflavone, 4,5,7-trihydroxy- ; 5,7-Dihydroxy-3-(4-hydroxyphenyl)-4-benzopyrone ; 5-18-04-00594 (Beilstein Handbook Reference) ; 4,5,7-Trihydroxyisoflavone
Uses
Genistein (CAS NO.446-72-0) exhibits specific inhibitory activity against tyrosine kinases, including autophosphorylation of epidermal growth factor receptor kinase (IC50 - 2.6uM). Also inhibits other protein kinases through competitive inhibition of ATP. Inhibits tumor cell.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD | intraperitoneal | > 500mg/kg (500mg/kg) | Journal of Antibiotics. Vol. 39, Pg. 606, 1986. |
Consensus Reports
Genistein (CAS NO.446-72-0) is reported in EPA TSCA Inventory.
Safety Profile
Hazard Codes: 
Xi
Risk Statements: 36/38
R36/38:Irritating to eyes and skin.
Safety Statements: 26-24/25-22
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S24/25:Avoid contact with skin and eyes.
S22:Do not breathe dust.
WGK Germany: 3
RTECS: NR2392000
Specification
Biological effects of Genistein (CAS NO.446-72-0) are some isoflavones act as antioxidants to counteract damaging effects of free radicals in tissues; Genistein protects against pro-inflammatory factor-induced vascular endothelial barrier dysfunction and inhibits leukocyte-endothelium interaction, thereby modulating vascular inflammation, a major event in the pathogenesis of atherosclerosis and it makes some cells more sensitive to radio-therapy.