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CAS No 477-90-7 , Bengenin

  • Name: Bengenin
  • Synonyms: 3,4,8,10-Tetrahydroxy-2-(hydroxymethyl)-9-methoxy-3,4,4a,10b-tetrahydro-2H-pyrano[3,2-c]isochromen-6-one; BERGENIN;Bengenin;3,4,4a,10b-tetrahydro-3,4,8,10-tetrahydroxy-2-(hydroxymethyl)-9-methoxypyrano[3,2-c][2]benzopyran-6(2H)-one;
  • CAS Registry Number:
  • Melting Point: 237-240 ºC(lit.)
  • Density: 1.639 g/cm3
  • Refractive index: 1.655
  • Water Solubility: Soluble in water, soluble in alcohol.
  • Safety Statements: 26-36
  • Hazard Symbols: Xi: Irritant;
  • Molecular Weight: 328.27
  • InChI: InChI=1/C14H16O9/c1-21-11-5(16)2-4-7(9(11)18)12-13(23-14(4)20)10(19)8(17)6(3-15)22-12/h2,6,8,10,12-13,15-19H,3H2,1H3/t6-,8-,10+,12+,13-/m1/s1
  • Risk Statements: 36/37/38
  • Molecular Formula: C14H16O9
  • Molecular Structure:CAS No:477-90-7 Bengenin

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477-90-7 Bengenin

  • Bengenin CAS: 477-90-7 MF: C14H16O9 MW: 328.27 Type: Herbal Extract Appearance: White crystalline powder Assay: 98% Package: 25kg/drum Applications: 1)Bengenin can be used as herbal antitussive expectorant and for treatment of chronic bronchitis.This...
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477-90-7 Bergenin

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477-90-7 Bergenin

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References of Bengenin
Title: Bergenin
CAS Registry Number: 477-90-7
CAS Name: 3,4,4a,10b-Tetrahydro-3,4,8,10-tetrahydroxy-2-(hydroxymethyl)-9-methoxypyrano[3,2-c][2]benzopyran-6(2H)-one
Synonyms: 4-methoxy-2-[tetrahydro-3,4,5-trihydroxy-6-(hydroxymethyl)pyran-2-yl]-a-resorcylic acid d-lactone; bergenit; vakerin; ardisic acid B; cuscutin; peltophorin
Molecular Formula: C14H16O9
Molecular Weight: 328.27
Percent Composition: C 51.22%, H 4.91%, O 43.86%
Literature References: From root of Saxifraga (Bergenia) crassifolia L., and from rhizome of S. sibirica L. Saxifragaceae: Morelle, Compt. Rend. 93, 646 (1881); Ber. 14, 2694 (1881); Ssadikow, Guthner, Biochem. Z. 190, 340 (1927); Tschitschibabin et al., Ann. 469, 93 (1929). Identity with vakerin: Carruthers et al., Chem. Ind. (London) 1957, 76. Identity with ardisic acid B: Hung, Chu, C.A. 52, 15827h (1958). Identity with cuscutin: Jain, Mishra, Indian J. Chem. 1, 499 (1963). Identity with peltophorin: Joshi, Kamat, Naturwissenschaften 56, 89 (1969). Structure: Posternak, Dürr, Helv. Chim. Acta 41, 1159 (1958); Fujise et al., Bull. Chem. Soc. Jpn. 32, 97 (1959). Synthesis and structure: Hay, Haynes, J. Chem. Soc. 1958, 2231. Biosynthesis: Wenkert, Chem. Ind. (London) 1959, 906.
Properties: Crystals from methanol, mp 238°. uv max: 275, 220 nm (log e 3.92, 4.42). [a]D18 -37.7° (c = 1.96 in ethanol); [a]D24 -45.3° (c = 0.51 for anhydr in water). Freely sol in water; sol in alcohol.
Melting point: mp 238°
Optical Rotation: [a]D18 -37.7° (c = 1.96 in ethanol); [a]D24 -45.3° (c = 0.51 for anhydr in water)
Absorption maximum: uv max: 275, 220 nm (log e 3.92, 4.42)
 
Derivative Type: Monohydrate
Properties: Crystals from water, mp 140°. Slightly sol in water, freely in alcohol.
Melting point: mp 140°
 
 
Status: This monograph has been retired and is no longer subject to revision or update.