Silibinin, ≥98% (HPLC)

Name: Silibinin, ≥98% (HPLC)
Brand: Vaqora Chemicals
SKU: VQ-003881

About Silibinin, ≥98% (HPLC)

Silibinin is a natural product carrying the CAS registry number 22888-70-6 at a purity of ≥98%. Its molecular formula is C25H22O10 and its molecular weight is 482.4 g/mol. It is also known as Silybin or Silymarin I.

The material typically appears as an off-white to yellow powder. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

Typical applications include phytochemical research, natural product screening, nutraceutical R and D and cosmetics and personal care. Our customers for this product work in academic and industrial research and diagnostics and biotechnology.

Standard pack sizes are 1 g, 5 g, 10 g and 25 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Phytochemical research
Natural product screening
Nutraceutical R&D
Cosmetics & personal care

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Silibinin, ≥98% (HPLC)
Catalogue No.	VQ-003881
CAS Number	22888-70-6
IUPAC name	(2R,3R)-3,5,7-trihydroxy-2-[(2R,3R)-3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]-2,3-dihydrochromen-4-one
Molecular formula	C₂₅H₂₂O₁₀
Molecular weight	482.4 g/mol
Exact mass	482.1213
Purity / assay	≥98%
HSN code	29329900
InChIKey	SEBFKMXJBCUCAI-HKTJVKLFSA-N
SMILES	COC1=C(C=CC(=C1)[C@@H]2[C@H](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	31553

Physical properties
Physical form	Powder
Appearance	Off-white to yellow powder
Solubility	Soluble in 100% ethanol (0.1mg/ml), DMSO (10mg/ml), dimethyl formamide (20mg/ml), acetone or methanol, 0.5mg/ml soluble in a 1:9 solution of dimethyl formamide:PBS (pH 7.2) (dilute the dimethyl formamide solution with PBS).
LogP (XLogP3)	2.4
H-bond donors / acceptors	5 / 10
TPSA	155 Å²
Synonyms	Silybin, Silymarin I, Flavobin, Silybine, Silibinine, Silymarine I, Silibinin a-silibinin b mixt., Silybin A, Silibinin A, ( inverted exclamation markA)-SILYBIN, Silymarine, Flavobin Spofa

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Silibinin, ≥98% (HPLC)?

The CAS Registry Number of Silibinin, ≥98% (HPLC) is 22888-70-6. It is also known as Silybin, Silymarin I, Flavobin.

What is the molecular formula and molecular weight of Silibinin, ≥98% (HPLC)?

Silibinin, ≥98% (HPLC) has the molecular formula C25H22O10 and a molecular weight of 482.4 g/mol. Its IUPAC name is (2R,3R)-3,5,7-trihydroxy-2-[(2R,3R)-3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]-2,3-dihydrochromen-4-one.

Which grade and pack sizes of Silibinin, ≥98% (HPLC) can I order?

We supply Silibinin, ≥98% (HPLC) in (≥98%) grade, in 1 g, 5 g, 10 g, 25 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Silibinin, ≥98% (HPLC)?

Yes. Every lot of Silibinin, ≥98% (HPLC) is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Silibinin, ≥98% (HPLC) be shipped internationally?

Yes. Silibinin, ≥98% (HPLC) is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.