Isosilybin A
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- $62.5 - $973
- 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
22 prices
Selected condition：
Brand
- AK Scientific
- Arctom
- AvaChem
- Biorbyt Ltd
- Biosynth Carbosynth
- ChemScene
- Sigma-Aldrich
- TRC
Package
- 1mlx10mM(inDMSO)
- 250ug
- 500ug
- 1mg
- 2mg
- 5mg
- 10mg
- 20mg
- ManufacturerAK Scientific
- Product number3770CS
- Product descriptionIsosilybin A
- Packaging1mg
- Price$266
- Updated2021-12-16
- Buy
- ManufacturerArctom
- Product numberCFN91070
- Product descriptionIsosilybin A ≥98%
- Packaging5mg
- Price$218
- Updated2021-12-16
- Buy
- ManufacturerAvaChem
- Product number4274
- Product descriptionIsosilybin A
- Packaging1mg
- Price$119
- Updated2021-12-16
- Buy
- ManufacturerAvaChem
- Product number4274
- Product descriptionIsosilybin A
- Packaging5mg
- Price$290
- Updated2021-12-16
- Buy
- ManufacturerAvaChem
- Product number4274
- Product descriptionIsosilybin A
- Packaging10mg
- Price$490
- Updated2021-12-16
- Buy
- ManufacturerAvaChem
- Product number4274
- Product descriptionIsosilybin A
- Packaging20mg
- Price$690
- Updated2021-12-16
- Buy
- ManufacturerBiorbyt Ltd
- Product numberorb1297319
- Product descriptionIsosilybin A 99.88%(Mayvarybetweenbatches)
- Packaging1mlx10mM(inDMSO)
- Price$260
- Updated2026-05-06
- Buy
- ManufacturerBiorbyt Ltd
- Product numberorb1297319
- Product descriptionIsosilybin A 99.88%(Mayvarybetweenbatches)
- Packaging10mg
- Price$340
- Updated2026-05-06
- Buy
- ManufacturerBiorbyt Ltd
- Product numberorb1218827
- Product descriptionIsosilybin A >98%(HPLC)
- Packaging10mg
- Price$410
- Updated2026-05-06
- Buy
- ManufacturerBiorbyt Ltd
- Product numberorb1218827
- Product descriptionIsosilybin A >98%(HPLC)
- Packaging5mg
- Price$290
- Updated2026-05-06
- Buy
- ManufacturerBiorbyt Ltd
- Product numberorb1297319
- Product descriptionIsosilybin A 99.88%(Mayvarybetweenbatches)
- Packaging1mg
- Price$120
- Updated2026-05-06
- Buy
- ManufacturerBiorbyt Ltd
- Product numberorb1297319
- Product descriptionIsosilybin A 99.88%(Mayvarybetweenbatches)
- Packaging5mg
- Price$240
- Updated2026-05-06
- Buy
- ManufacturerBiosynth Carbosynth
- Product numberFI65478
- Product descriptionIsosilybin A + B
- Packaging500ug
- Price$100
- Updated2021-12-16
- Buy
- ManufacturerBiosynth Carbosynth
- Product numberFI65478
- Product descriptionIsosilybin A + B
- Packaging2mg
- Price$250
- Updated2021-12-16
- Buy
- ManufacturerBiosynth Carbosynth
- Product numberFI65478
- Product descriptionIsosilybin A + B
- Packaging1mg
- Price$160
- Updated2021-12-16
- Buy
- ManufacturerBiosynth Carbosynth
- Product numberFI65478
- Product descriptionIsosilybin A + B
- Packaging250ug
- Price$62.5
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| AK Scientific | 3770CS | Isosilybin A | 1mg | $266 | 2021-12-16 | Buy |
| Arctom | CFN91070 | Isosilybin A ≥98% | 5mg | $218 | 2021-12-16 | Buy |
| AvaChem | 4274 | Isosilybin A | 1mg | $119 | 2021-12-16 | Buy |
| AvaChem | 4274 | Isosilybin A | 5mg | $290 | 2021-12-16 | Buy |
| AvaChem | 4274 | Isosilybin A | 10mg | $490 | 2021-12-16 | Buy |
| AvaChem | 4274 | Isosilybin A | 20mg | $690 | 2021-12-16 | Buy |
| Biorbyt Ltd | orb1297319 | Isosilybin A 99.88%(Mayvarybetweenbatches) | 1mlx10mM(inDMSO) | $260 | 2026-05-06 | Buy |
| Biorbyt Ltd | orb1297319 | Isosilybin A 99.88%(Mayvarybetweenbatches) | 10mg | $340 | 2026-05-06 | Buy |
| Biorbyt Ltd | orb1218827 | Isosilybin A >98%(HPLC) | 10mg | $410 | 2026-05-06 | Buy |
| Biorbyt Ltd | orb1218827 | Isosilybin A >98%(HPLC) | 5mg | $290 | 2026-05-06 | Buy |
| Biorbyt Ltd | orb1297319 | Isosilybin A 99.88%(Mayvarybetweenbatches) | 1mg | $120 | 2026-05-06 | Buy |
| Biorbyt Ltd | orb1297319 | Isosilybin A 99.88%(Mayvarybetweenbatches) | 5mg | $240 | 2026-05-06 | Buy |
| Biosynth Carbosynth | FI65478 | Isosilybin A + B | 500ug | $100 | 2021-12-16 | Buy |
| Biosynth Carbosynth | FI65478 | Isosilybin A + B | 2mg | $250 | 2021-12-16 | Buy |
| Biosynth Carbosynth | FI65478 | Isosilybin A + B | 1mg | $160 | 2021-12-16 | Buy |
| Biosynth Carbosynth | FI65478 | Isosilybin A + B | 250ug | $62.5 | 2021-12-16 | 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 | ||||||||||||||
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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
$5-1159.39 - 142796-22-3
$100-964 - Isosilybin
$28-2800
Suppliers and manufacturers
Chengdu Biopurify Phytochemicals Ltd.
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ShenZhen Trendseen Biological Technology Co.,Ltd.
Shanghai Acmec Biochemical Technology Co., Ltd.
