Isosilybin A

Product Name: Isosilybin A
CAS No.: 142796-21-2
Chemical Name: Isosilybin A
Synonyms: Silybin b2;Isosilybin A;Isosilibinin A;Silybin Impurity 3;Isosilybin A，ISB-A;Isosilybin A, 10 mM in DMSO;Isosilybin A/(+)-Isosilybin A,Silybin b2;Isosilybin AQ: What is Isosilybin A Q: What is the CAS Number of Isosilybin A;(2R,3R)-3,5,7-Trihydroxy-2-[(2R,3R)-2-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-2,3-dihydrobenzo[1,4]dioxin-6-yl]-4-chromanone;(2R,3R)-3,5,7-Trihydroxy-2-((2R,3R)-2-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)chroman-4-one
CBNumber: CB42714668
Molecular Formula: C25H22O10
Formula Weight: 482.44
MOL File: 142796-21-2.mol

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Isosilybin A Property

Melting point:: 158-160 °C(Solv: methanol (67-56-1))
Boiling point:: 793.0±60.0 °C(Predicted)
Density: 1.527±0.06 g/cm3(Predicted)
storage temp.: 2-8°C
solubility: Soluble in DMSO
form: Solid
pka: 7.39±0.60(Predicted)
color: White to off-white
InChIKey: FDQAOULAVFHKBX-HKTJVKLFSA-N
SMILES: [C@H]1(C2=CC=C3O[C@H](C4=CC=C(O)C(OC)=C4)[C@@H](CO)OC3=C2)OC2=CC(O)=CC(O)=C2C(=O)[C@@H]1O

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Safety

WGK Germany: 3

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word: Warning
Hazard statements: H302Harmful if swallowed

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: PHL82570
Product name: Isosilybin A
Purity: phyproof? Reference Substance
Packaging: 5mg
Price: $314
Updated: 2025/07/31

Sigma-Aldrich

Product number: 97326
Product name: Isosilybin A
Purity: analytical standard
Packaging: 5mg
Price: $973
Updated: 2022/05/15

TRC

Product number: I901002
Product name: Isosilybin A
Packaging: 10mg
Price: $925
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FI65478
Product name: Isosilybin A + B
Packaging: 5mg
Price: $500
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FI65478
Product name: Isosilybin A + B
Packaging: 1mg
Price: $160
Updated: 2021/12/16

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Isosilybin A Chemical Properties,Usage,Production

Uses

Isosilybin A is one of the flavonolignans extracted from the seeds of milk thistle. Isosilybin A and isosilybin B (I109003) were also the most effective suppressors of prostate-?specific antigen secretion by androgen-?dependent LNCaP cells.

Isosilybin A Preparation Products And Raw materials

Raw materials

Preparation Products

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Isosilybin A Suppliers

China 88 India 2 United Kingdom 1 United States 8 Global 99

AdooQ BioScience, LLC

Tel: +1 (866) 930-6790
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Alfa Chemistry

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Email: Info@alfa-chemistry.com
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TargetMol Chemicals Inc.

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Email: marketing@targetmol.com
Country: United States
ProdList: 32435
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BOC Sciences

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TargetMol Chemicals Inc.

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Email: support@targetmol.com
Country: United States
ProdList: 39035
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United States Biological

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MedChemExpress

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Riedel-de Haen AG

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View Lastest Price from Isosilybin A manufacturers

Shaanxi Haibo Biotechnology Co., Ltd

Product: Isosilybin A 142796-21-2
Price: US $0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 2000ton
Release date: 2023-08-25

142796-21-2, Isosilybin ARelated Search:

Isosilybin (2R,3R)-3,5,7-Trihydroxy-2-[(2S,3S)-2-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-2,3-dihydrobenzo[1,4]dioxin-6-yl]-4-chromanone Silibinin

Isosilybin A

(2R,3R)-3,5,7-Trihydroxy-2-[(2R,3R)-2-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-2,3-dihydrobenzo[1,4]dioxin-6-yl]-4-chromanone

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

Isosilibinin A

Silybin b2

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

Isosilybin A，ISB-A

Isosilybin A/(+)-Isosilybin A,Silybin b2

Isosilybin AQ: What is Isosilybin A Q: What is the CAS Number of Isosilybin A

(2R,3R)-3,5,7-Trihydroxy-2-((2R,3R)-2-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)chroman-4-one

Silybin Impurity 3

Isosilybin A, 10 mM in DMSO

142796-21-2