Isosilybin A
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- $58 - $1090
- Product name: Isosilybin A
- CAS: 142796-21-2
- MF: C25H22O10
- MW: 482.44
- EINECS:
- MDL Number:MFCD32182560
- Synonyms: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
35 prices
Selected condition：
Brand
- aablocks
- ACHEMBLOCK
- AK Scientific
- Arctom
- AvaChem
- Biorbyt Ltd
- Biosynth
- ChemScene
- Sigma-Aldrich
- TRC
Package
- 1mlx10mM(inDMSO)
- 250ug
- 500ug
- 5mg
- 20mg
- 1mg
- 10mM*1mLinDMSO(Solution)
- 2mg
- 10mg
- 10mM*1mLinDMSO(Solid+Solvent)
- Manufactureraablocks
- Product numberAA009X7O
- Product descriptionIsosilybin A 98%
- Packaging5mg
- Price$145
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA009X7O
- Product descriptionIsosilybin A 98%
- Packaging10mg
- Price$288
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA009X7O
- Product descriptionIsosilybin A 98%
- Packaging1mg
- Price$58
- Updated2026-05-28
- Buy
- ManufacturerACHEMBLOCK
- Product numberU107110
- Product descriptionIsosilybin A 98.00%
- Packaging5MG
- Price$220
- Updated2026-05-27
- Buy
- ManufacturerACHEMBLOCK
- Product numberU107110
- Product descriptionIsosilybin A 98.00%
- Packaging10MG
- Price$355
- Updated2026-05-27
- Buy
- ManufacturerAK Scientific
- Product number3770CS
- Product descriptionIsosilybin A
- Packaging1mg
- Price$266
- Updated2021-12-16
- Buy
- ManufacturerArctom
- Product numberHY-N7043
- Product descriptionIsosilybin A 99.63%
- Packaging10mM*1mLinDMSO(Solution)
- Price$252
- Updated2026-05-26
- Buy
- ManufacturerArctom
- Product numberHY-N7043
- Product descriptionIsosilybin A 99.63%
- Packaging1mg
- Price$95
- Updated2026-05-26
- Buy
- ManufacturerArctom
- Product numberHY-N7043
- Product descriptionIsosilybin A 99.63%
- Packaging5mg
- Price$238
- Updated2026-05-26
- Buy
- ManufacturerArctom
- Product numberHY-N7043
- Product descriptionIsosilybin A 99.63%
- Packaging10mM*1mLinDMSO(Solid+Solvent)
- Price$240
- Updated2026-05-26
- Buy
- ManufacturerArctom
- Product numberCFN91070
- Product descriptionIsosilybin A ≥98%
- Packaging5mg
- Price$218
- Updated2021-12-16
- Buy
- ManufacturerAvaChem
- Product number4274
- Product descriptionIsosilybin A 98%
- Packaging20mg
- Price$1090
- Updated2026-05-22
- Buy
- ManufacturerAvaChem
- Product number4274
- Product descriptionIsosilybin A
- Packaging1mg
- Price$119
- Updated2021-12-16
- Buy
- ManufacturerAvaChem
- Product number4274
- Product descriptionIsosilybin A 98%
- Packaging1mg
- Price$179
- Updated2026-05-22
- Buy
- ManufacturerAvaChem
- Product number4274
- Product descriptionIsosilybin A
- Packaging5mg
- Price$290
- Updated2021-12-16
- Buy
- ManufacturerAvaChem
- Product number4274
- Product descriptionIsosilybin A 98%
- Packaging5mg
- Price$390
- Updated2026-05-22
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA009X7O | Isosilybin A 98% | 5mg | $145 | 2026-05-28 | Buy |
| aablocks | AA009X7O | Isosilybin A 98% | 10mg | $288 | 2026-05-28 | Buy |
| aablocks | AA009X7O | Isosilybin A 98% | 1mg | $58 | 2026-05-28 | Buy |
| ACHEMBLOCK | U107110 | Isosilybin A 98.00% | 5MG | $220 | 2026-05-27 | Buy |
| ACHEMBLOCK | U107110 | Isosilybin A 98.00% | 10MG | $355 | 2026-05-27 | Buy |
| AK Scientific | 3770CS | Isosilybin A | 1mg | $266 | 2021-12-16 | Buy |
| Arctom | HY-N7043 | Isosilybin A 99.63% | 10mM*1mLinDMSO(Solution) | $252 | 2026-05-26 | Buy |
| Arctom | HY-N7043 | Isosilybin A 99.63% | 1mg | $95 | 2026-05-26 | Buy |
| Arctom | HY-N7043 | Isosilybin A 99.63% | 5mg | $238 | 2026-05-26 | Buy |
| Arctom | HY-N7043 | Isosilybin A 99.63% | 10mM*1mLinDMSO(Solid+Solvent) | $240 | 2026-05-26 | Buy |
| Arctom | CFN91070 | Isosilybin A ≥98% | 5mg | $218 | 2021-12-16 | Buy |
| AvaChem | 4274 | Isosilybin A 98% | 20mg | $1090 | 2026-05-22 | Buy |
| AvaChem | 4274 | Isosilybin A | 1mg | $119 | 2021-12-16 | Buy |
| AvaChem | 4274 | Isosilybin A 98% | 1mg | $179 | 2026-05-22 | Buy |
| AvaChem | 4274 | Isosilybin A | 5mg | $290 | 2021-12-16 | Buy |
| AvaChem | 4274 | Isosilybin A 98% | 5mg | $390 | 2026-05-22 | Buy |
Properties
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
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
Safety Information
| Symbol(GHS): |
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| Signal word: | Warning | ||||||||||||||
| Hazard statements: |
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| Precautionary statements: |
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Description
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.Related product price
-
Silibinin
$5-1631 -
142796-22-3
$90-1090 -
Isosilybin
$21-2800
Suppliers and manufacturers
Shaanxi Haibo Biotechnology Co., Ltd
Chengdu Biopurify Phytochemicals Ltd.
Wuhan ChemNorm Biotech Co.,Ltd.
BOC Sciences
Alfa Chemistry
Shaanxi Cuikang Pharmaceutical Technology Co., Ltd
TargetMol Chemicals Inc.
ShenZhen Trendseen Biological Technology Co.,Ltd.
Shanghai Acmec Biochemical Technology Co., Ltd.
Isosilybin A
CAS:142796-21-2
