Isosilybin B - ≥98% , CAS No.142796-22-3

CAS: 142796-22-3 Cat. No.: I339968 Peso molecular: 482.44 Número EC: 998-781-4
Disponible para pedir
GRADE & PURITY ≥98%
Synonyms
Isosilybin B | Silybin A2 | ISOSILYBIN B [MI] | E87190 | UNII-15EH97604R | (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 | HY-N7045 | BDBM50526628 | (2R,3R)-3
Storage
Protected from light,Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Estado
Price
Qty
1mg
I339968-1mg
3
234,90US$
5mg
I339968-5mg
2
589,90US$
10mg
I339968-10mg
1
841,90US$
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Store at -20°C,Argon charged Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Descripción general

Isosilybin B is a flavonolignan extracted from silymarin that exhibits anti-prostate cancer (PCA) activity, inhibits cancer cell proliferation, and contributes to G1-phase blockade and apoptosis.Isosilybin B induces degradation of the androgen receptor.

Specifications

Sinónimos
Isosilybin B | Silybin A2 | ISOSILYBIN B [MI] | E87190 | UNII-15EH97604R | (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 | HY-N7045 | BDBM50526628 | (2R, 3R)-3
Especificaciones y pureza
≥98%
Condiciones de almacenamiento de almacenamiento
Protected from light, Store at -20°C, Argon charged
Enviado en
Ice chest + Ice pads
Este producto requiere envío en cadena de frío. Los servicios terrestres y otros servicios económicos no están disponibles.
Pureza
≥98%
Nombres e identificadores
Sonrisas canónicasCOC1=C(C=CC(=C1)C2C(OC3=C(O2)C=CC(=C3)C4C(C(=O)C5=C(C=C(C=C5O4)O)O)O)CO)O
IUPAC Name(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
InChIKeyFDQAOULAVFHKBX-WAABAYLZSA-N
INCHI1S/C25H22O10/c1-32-17-6-11(2-4-14(17)28)24-20(10-26)33-18-7-12(3-5-16(18)34-24)25-23(31)22(30)21-15(29)8-13(27)9-19(21)35-25/h2-9,20,23-29,31H,10H2,1H3/t20-,23-,24-,25+/m0/s1
Isómeros SMILES COC1=C(C=CC(=C1)[C@H]2[C@@H](OC3=C(O2)C=CC(=C3)[C@@H]4[C@H](C(=O)C5=C(C=C(C=C5O4)O)O)O)CO)O
Peso molecular 482.44
Reaxy-Rn 8952975
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=8952975&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassLignans, neolignans and related compounds
ClaseFlavonolignans
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentFlavonolignans
Alternative Parents 3-hydroxyflavonoids  5-hydroxyflavonoids  7-hydroxyflavonoids  Flavanonols  Phenylbenzo-1,4-dioxanes  Chromones  Methoxyphenols  Benzo-1,4-dioxanes  Phenoxy compounds  Anisoles  Methoxybenzenes  Aryl alkyl ketones  1-hydroxy-2-unsubstituted benzenoids  1-hydroxy-4-unsubstituted benzenoids  Alkyl aryl ethers  Para dioxins  Vinylogous acids  Secondary alcohols  Oxacyclic compounds  Polyols  Organic oxides  Primary alcohols  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Flavonolignan - Hydroxyflavonoid - 3-hydroxyflavonoid - Flavanonol - Flavanone - 7-hydroxyflavonoid - 5-hydroxyflavonoid - Flavan - Phenylbenzodioxane - 2-phenylbenzo-1,4-dioxane - Chromone - 1-benzopyran - Methoxyphenol - Benzopyran - Chromane - Benzodioxane - Benzo-1,4-dioxane - Phenoxy compound - Anisole - Methoxybenzene - Aryl alkyl ketone - Aryl ketone - Phenol ether - Alkyl aryl ether - 1-hydroxy-2-unsubstituted benzenoid - Phenol - 1-hydroxy-4-unsubstituted benzenoid - Benzenoid - Para-dioxin - Monocyclic benzene moiety - Vinylogous acid - Secondary alcohol - Ketone - Polyol - Organoheterocyclic compound - Ether - Oxacycle - Alcohol - Organooxygen compound - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Primary alcohol - Aromatic heteropolycyclic compound
DescripciónThis compound belongs to the class of organic compounds known as flavonolignans. These are non-conventional lignans that derived from flavonoids. They are characterized by a p-dioxin ring substituted at one carbon atom by a C3C6 (phenylpropan) group and fused to the B-ring of the 2-phenylchromene moiety.
External Descriptors Not available
Estructura 3D
Modelo de Estructura Química Interactiva





Objetivos asociados (humanos)
TYR Tclin Tyrosinase (717 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PPARG Tclin Peroxisome proliferator-activated receptor gamma (15191 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CYP2C9 Tchem Cytochrome P450 2C9 (32119 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLCO1B1 Tchem Solute carrier organic anion transporter family member 1B1 (2672 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLCO1B3 Tchem Solute carrier organic anion transporter family member 1B3 (2517 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLCO2B1 Tchem Solute carrier organic anion transporter family member 2B1 (580 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Objetivos asociados (no humanos)
Hepatitis C virus (23859 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mecanismos de acción
Certificados (CoA, COO, BSE/TSE y tabla de análisis)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

6 results found

Lot NumberCertificate TypeFechaArticulo
G2411252Certificate of AnalysisMar 27, 2024 I339968
G2411253Certificate of AnalysisMar 27, 2024 I339968
G2411254Certificate of AnalysisMar 27, 2024 I339968
G2411255Certificate of AnalysisMar 27, 2024 I339968
G2411256Certificate of AnalysisMar 27, 2024 I339968
G2411257Certificate of AnalysisMar 27, 2024 I339968
Propiedades químicas y físicas
SensibilidadLight sensitive
Peso molecular482.400 g/mol
XLogP32.400
Hydrogen Bond Donor Count5
Hydrogen Bond Acceptor Count10
Rotatable Bond Count4
Exact Mass482.121 Da
Monoisotopic Mass482.121 Da
Topological Polar Surface Area155.000 Ų
Heavy Atom Count35
Formal Charge0
Complexity750.000
Isotope Atom Count0
Defined Atom Stereocenter Count4
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Calculadoras de soluciones
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