Dehydrosilybin

Name: Dehydrosilybin
Brand: Zemixal
SKU: ZX-032486

Reference StandardAvailable on request

Buy Dehydrosilybin (CAS 25166-14-7) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Part of our API Impurities range.

Pack sizes

CAS number25166-14-7

FormulaC₂₅H₂₀O₁₀

Molar mass480.4 g/mol

Physical formSolid

HS code38229090

InChIKeyBVKQRAYKLBRNIK-HYBUGGRVSA-N

IUPAC name3,5,7-trihydroxy-2-[(2R,3R)-3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]chromen-4-one

About Dehydrosilybin

Zemixal lists Dehydrosilybin for laboratories that identify, quantify or control Silibinin and its related substances. For your records (Reference Standard), the material is defined by CAS 25166-14-7, formula C25H20O10 and molar mass 480.4 g/mol. It is handled as a solid.

Where it is used

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Storage and safety notes

It carries the GHS signal word Warning (H302), so wear gloves and eye protection and work with good ventilation.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Silibinin

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

Silibinin standards

Typical uses

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Dehydrosilybin
Product name	Dehydrosilybin
Catalogue number	ZX-032486
CAS number	25166-14-7
IUPAC name	3,5,7-trihydroxy-2-[(2R,3R)-3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]chromen-4-one
Molecular formula	C₂₅H₂₀O₁₀
Molar mass	480.4 g/mol
Exact mass	480.1056
Grade	Reference Standard
Physical form	Solid
XLogP3	3.1
H-bond donors / acceptors	5 / 10
Topological polar surface area	155 Å²
HS code	38229090
InChIKey	BVKQRAYKLBRNIK-HYBUGGRVSA-N
SMILES	COC1=C(C=CC(=C1)[C@@H]2[C@H](OC3=C(O2)C=C(C=C3)C4=C(C(=O)C5=C(C=C(C=C5O4)O)O)O)CO)O
PubChem CID	10696082
Synonyms	Dehydrosilybin A, 2,3-Dehydrosilybin, 2,3-Dehydrosilybin A

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

H302Harmful if swallowed

Precautionary statements P264, P270, P301 + P317, P330, 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 Dehydrosilybin
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 Dehydrosilybin

Which CAS number identifies Dehydrosilybin?

Dehydrosilybin is registered under CAS 25166-14-7. You may also see it listed as Dehydrosilybin A, 2,3-Dehydrosilybin, 2,3-Dehydrosilybin A. Our catalogue number for this item is ZX-032486.

What are the formula and molar mass of Dehydrosilybin?

For Dehydrosilybin, its formula is C25H20O10 and its molar mass is 480.4 g/mol. The systematic (IUPAC) name is 3,5,7-trihydroxy-2-[(2R,3R)-3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]chromen-4-one. InChIKey BVKQRAYKLBRNIK-HYBUGGRVSA-N lets you match it in any structure database.

How is Dehydrosilybin used in pharmaceutical QC?

Dehydrosilybin is a characterised reference material linked to Silibinin. 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 Dehydrosilybin?

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 Dehydrosilybin?

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 Dehydrosilybin to my country?

Yes. Because Dehydrosilybin 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.

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