Silybin

Name: Silybin
Brand: Zemixal
SKU: ZX-034201

Reference StandardAvailable on request

Silybin (CAS 36804-17-8) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg. Part of our API Reference Standards range.

Pack sizes

CAS number36804-17-8

FormulaC₂₅H₂₂O₁₀

Molar mass482.4 g/mol

Physical formSolid

HS code38229090

InChIKeySEBFKMXJBCUCAI-DBMPWETRSA-N

IUPAC name(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

About Silybin

Silybin is supplied by Zemixal as a characterised reference material for Silybin analysis. For your records (Reference Standard), the material is defined by CAS 36804-17-8, formula C25H22O10 and molar mass 482.4 g/mol. It is handled as a solid.

Common uses in the lab and plant

Identification & assay
Method development & validation
QC reference material

Safe handling

It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Silybin

See every impurity, metabolite and related compound we list for this API.

Silybin standards

Typical uses

Identification & assay
Method development & validation
QC reference material

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Silybin
Product name	Silybin
Catalogue number	ZX-034201
CAS number	36804-17-8
IUPAC name	(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
Molecular formula	C₂₅H₂₂O₁₀
Molar mass	482.4 g/mol
Exact mass	482.1213
Grade	Reference Standard
Physical form	Solid
XLogP3	2.4
H-bond donors / acceptors	5 / 10
Topological polar surface area	155 Å²
HS code	38229090
InChIKey	SEBFKMXJBCUCAI-DBMPWETRSA-N
SMILES	COC1=C(C=CC(=C1)C2C(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
PubChem CID	3086637
Synonyms	Silibin, Silybin (Mixture of Diastereomers)

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Signal word Warning

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Silybin
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Silybin

Which CAS number identifies Silybin?

Silybin is registered under CAS 36804-17-8. You may also see it listed as Silibin, Silybin (Mixture of Diastereomers). Our catalogue number for this item is ZX-034201.

What are the formula and molar mass of Silybin?

For Silybin, its formula is C25H22O10 and its molar mass is 482.4 g/mol. The systematic (IUPAC) name is (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. InChIKey SEBFKMXJBCUCAI-DBMPWETRSA-N lets you match it in any structure database.

How is Silybin used in pharmaceutical QC?

Silybin is a characterised reference material linked to Silybin. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Silybin?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Silybin?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Silybin to my country?

Yes. Because Silybin is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

More Silybin standards

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