CAS No 446-71-9 , 4H-1-Benzopyran-4-one,2,3-dihydro-5,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-, (2S)- Search by region : China

Name: 4H-1-Benzopyran-4-one,2,3-dihydro-5,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-, (2S)-
Synonyms: 4H-1-Benzopyran-4-one,2,3-dihydro-5,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-, (2S)-;4H-1-Benzopyran-4-one,2,3-dihydro-5,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-, (S)-;Eriodictyol 3'-methyl ether;4',5,7-Trihydroxy-3'-methoxyflavanone; Flavanone,4',5,7-trihydroxy-3'-methoxy- (6CI,7CI,8CI); 5,7,4'-Trihydroxy-3'-methoxyflavanone; Eriodictyonone; Homoeriodictyol; (S)-Homoeriodictyol;
CAS Registry Number:446-71-9
Melting Point: 225-227°C (dec.)
Flash Point: 222.1°C
Boiling Point: 583.8°Cat760mmHg
Density: 1.458g/cm³
Refractive index: 1.664
Flash Point: 222.1°C
EINECS: 207-173-3
Molecular Weight: 302.28
InChI: InChI=1/C16H14O6/c1-21-14-4-8(2-3-10(14)18)13-7-12(20)16-11(19)5-9(17)6-15(16)22-13/h2-6,13,17-19H,7H2,1H3/t13-/m0/s1
Molecular Formula: C16H14 O6
Molecular Structure:

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446-71-9 (-)-HOMOERIODICTYOL

Rongkang industry Co.,Ltd [Manufacturer]
Tel: +86-571-8801 0713
Fax: +86-571-8801 0679
Address: Rongkang Industry Co.,Ltd
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446-71-9 HOMOERIODICTYOL,(-)-(SECONDARY STANDARD)

Nanjing Chemlin Chemical Industry Co.,Ltd. [Manufacturer]
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References of 4H-1-Benzopyran-4-one,2,3-dihydro-5,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-, (2S)-

Title: Homoeriodictyol
CAS Registry Number: 446-71-9
CAS Name: 2,3-Dihydro-5,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-4H-1-benzopyran-4-one
Synonyms: 4￠,5,7-trihydroxy-3￠-methoxyflavanone; eriodictyonone; cyanidanon-3-methyl ether 1625
Molecular Formula: C16H14O6
Molecular Weight: 302.28
Percent Composition: C 63.57%, H 4.67%, O 31.76%
Literature References: From Eriodictyon californicum (H. & A.) Torr., and E. angustifolium Nutt., Hydrophyllaceae: Geissman, J. Am. Chem. Soc. 62, 3258 (1940); Hadley, Gisvold, J. Am. Pharm. Assoc. 33, 275 (1944). Purification: Seka, Prosche, Monatsh. Chem. 69, 284 (1936). Structure: Shinoda, Sato, J. Pharm. Soc. Jpn. 49, 64 (1929), C.A. 23, 4210 (1929). Synthesis: Farooq et al., Naturwissenschaften 46, 76 (1959).
Properties: Crystals from 70% acetic acid. Needles by sublimation in high vacuum (0.003-0.005 mm Hg) at 190-195°. Plates from dil alc, dec 225° (after drying in vacuo at 110°). [a]D20 -28° (alc). uv max (alc): 290, 328 nm (log e 2.26, 2.33). Moderately sol in alcohol, acetic acid. Nearly insol in water, ethyl acetate; practically insol in benzene, chloroform.
Optical Rotation: [a]D20 -28° (alc)
Absorption maximum: uv max (alc): 290, 328 nm (log e 2.26, 2.33)

Derivative Type: Triacetate
Properties: mp 115-116°.
Melting point: mp 115-116°