(2R,3R)-3,5,7-trihydroxy-2-[(2S,3S)-3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]-3,4-dihydro-2H-1-benzopyran-4-one

• ChemBase ID: 157600
• Molecular Formular: C25H22O10
• Molecular Mass: 482.43618
• Monoisotopic Mass: 482.1212969
• SMILES: COc1cc(ccc1O)[C@H]1[C@@H](Oc2ccc(cc2O1)[C@@H]1[C@H](C(=O)c2c(cc(cc2O1)O)O)O)CO
• Canonical SMILES: OC[C@@H]1Oc2ccc(cc2O[C@H]1c1ccc(c(c1)OC)O)[C@H]1Oc2cc(O)cc(c2C(=O)[C@@H]1O)O
• InChI: InChI=1S/C25H22O10/c1-32-17-6-11(2-4-14(17)28)24-20(10-26)33-16-5-3-12(7-18(16)34-24)25-23(31)22(30)21-15(29)8-13(27)9-19(21)35-25/h2-9,20,23-29,31H,10H2,1H3/t20-,23-,24-,25+/m0/s1
• InChIKey: SEBFKMXJBCUCAI-WAABAYLZSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: (2R,3R)-3,5,7-trihydroxy-2-[(2S,3S)-3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]-3,4-dihydro-2H-1-benzopyran-4-one
• IUPAC Traditional name: (2R,3R)-3,5,7-trihydroxy-2-[(2S,3S)-3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]-2,3-dihydro-1-benzopyran-4-one
• Synonyms: (2R,3R)-3,5,7-Trihydroxy-2-[(2S,3S)-3-(4-hydroxy-3-methoxyphenyl)-2-hydroxymethyl-2,3-dihydrobenzo[1,4]dioxin-6-yl]-4-chromanone; (2S,3S)-2,3-Dihydro-3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-6-[(2R,3R)-3,5,7-trihydroxy-4-oxobenzopyran-2-yl]benzodioxin; Silybin B

Database IDs

• CAS Number: 142797-34-0
• MDL Number: MFCD18827498
• PubChem SID: 162251737
• PubChem CID: 1548994

CALCULATED PROPERTIES

• Acid pKa: 7.811773
• H Acceptors: 10
• H Donor: 5
• LogD (pH = 5.5): 2.6272182
• LogD (pH = 7.4): 2.4878588
• Log P: 2.629316
• Molar Refractivity: 120.2939 cm^3
• Polarizability: 46.884537 Å^3
• Polar Surface Area: 155.14 Å^2
• Rotatable Bonds: 4
• Lipinski's Rule of Five: true

PROPERTIES

Safety Information

• German water hazard class: 3
• Storage Temperature: 2-8°C

Product Information

• Purity: ≥95.0% (HPLC)
• Grade: analytical standard
• Impurities: ≤5.0% water
• Shelf Life: (limited shelf life, expiry date on the label)
• Empirical Formula (Hill Notation): C25H22O10