Silybin B (Standard)

cas: 142797-34-0 — see every product listed under this CAS number, including other names

Silybin B (Standard) (CAS 142797-34-0) is a chemical reagent available from Chemat. Available pack sizes: Get quote. Offered by: MedChemExpress.

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catalog numberHY-N7046R-Get quote
cas142797-34-0
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delivery time over 3 weeks
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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

Also listed as

Silybin B Chemat Brand CAS 142797-34-0
Silybin B, >95% (HPLC) TRC CAS 142797-34-0
Silybin B/ 99.66% (existing batch purity) TargetMol CAS 142797-34-0
Silybin B 99% Ambeed CAS 142797-34-0
(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 CAS 142797-34-0
Silybin B, 99.90% MedChemExpress CAS 142797-34-0
Silybin B-d3 Chemat Brand CAS 142797-34-0 (Non-labelled)
Silybin (Mixture of Silybin A and B) Mikromol CAS 22888-70-6, 142797-34-0

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