Products 142797-34-0

CAS 142797-34-0 appears in our catalog under these names: Silybin B, Silybin B, >95% (HPLC), Silybin B/ 99.66% (existing batch purity), Silybin B 99%, Silybin B (Standard). Offered by: Chemat Brand, TRC, TargetMol, Biosynth, Ambeed. Available pack sizes: on request, 10mg, 1mg, 5mg, 25mg, 2mg, 100mg, 250mg.

Silybin B
Chemat Brand, Biosynth
  • size: on request, 2mg, 1mg, 5mg
  • Variants: 6
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Silybin B, >95% (HPLC)
TRC
  • size: 10mg, 1mg
  • Variants: 2
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Silybin B/ 99.66% (existing batch purity)
TargetMol
  • size: 1mg, 5mg, 10mg, 25mg
  • Variants: 4
from 963.59
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Silybin B 99%
Ambeed
  • size: 100mg, 250mg, 1mg, 5mg
  • Variants: 7
from 292.50
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Silybin B (Standard)
MedChemExpress
  • size: Get quote
  • Variants: 1
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(2R,3R)-3,5,7-Trihydroxy-2-((2S,3S)-3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)chroman-4-one, 99%, 99%
Chemat
  • size: 100mg, 250mg, 1mg, 5mg
  • Variants: 7
from 237.20
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Silybin B, 99.90%
MedChemExpress
  • size: 5 mg, 10mM/1mL, 1 mg
  • Variants: 3
from 839.82
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Silybin B-d3
Chemat Brand
  • size: on request
  • Variants: 1
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Silybin (Mixture of Silybin A and B)
Mikromol, LoGiCal
  • size: 100mg, 10mg
  • Variants: 2
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Structural formula: {0} (CAS {1})

Silybin B is a flavonolignan.

Source: ChEBI

Identity
Molecular formulaC25H22O10
Molecular weight482.4 g/mol
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]-2,3-dihydrochromen-4-one
InChIKeySEBFKMXJBCUCAI-WAABAYLZSA-N
SMILESCOC1=C(C=CC(=C1)[C@H]2[C@@H](OC3=C(O2)C=C(C=C3)[C@@H]4[C@H](C(=O)C5=C(C=C(C=C5O4)O)O)O)CO)O

Computed by PubChem (NCBI)

Synonyms: Silybin B, Silibinin B, SILYBIN (A and B)(P), Silybin B, analytical standard, Flavobion, Legalon 70, Silymarin B, Silybin A and B, Milk thistle [NF], Silybin B (Standard)
Related forms of this compound
(2R,3R)-3,5,7-trihydroxy-2-[3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]-2,3-dihydrochromen-4-one C25H22O10
(2R,3R)-3,5,7-trihydroxy-2-[(2R,3R)-3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]-2,3-dihydrochromen-4-one C25H22O10
(2R,3R)-3,5,7-trihydroxy-2-[(2R,3R)-3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]-2,3-dihydrochromen-4-one C25H22O10
Isomers (same molecular formula)
(2R,3R)-3,5,7-trihydroxy-2-[(2R,3R)-2-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]-2,3-dihydrochromen-4-one C25H22O10
(2R,3R)-3,5,7-trihydroxy-2-[2-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]-2,3-dihydrochromen-4-one C25H22O10
(2R,3R)-3,5,7-trihydroxy-2-[(2S,3S)-2-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]-2,3-dihydrochromen-4-one C25H22O10
(2R,3R)-3,5,7-trihydroxy-2-[(2R,3S)-7-hydroxy-2-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-2,3-dihydro-1-benzofuran-5-yl]-2,3-dihydrochromen-4-one C25H22O10
(1R,3R,6R,7R,10R)-3-hydroxy-10-(4-hydroxy-3-methoxyphenyl)-8-[(2R,3R)-3,5,7-trihydroxy-4-oxo-2,3-dihydrochromen-2-yl]-4-oxatricyclo[4.3.1.03,7]dec-8-en-2-one C25H22O10