Orientin

Name: Orientin
Brand: Vaqora Chemicals
SKU: VQ-032563

About Orientin

Orientin (CAS 28608-75-5) is an API reference standard offered by Vaqora Chemicals. The compound has the formula C21H20O11, corresponding to a molecular weight of 448.4 g/mol. Alternative names: Lutexin and Luteolin 8-C-glucoside.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a reference sample of the parent drug substance, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Orientin in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Specifications & identifiers

Chemical identifiers
Product name	Orientin
Catalogue No.	VQ-032563
CAS Number	28608-75-5
IUPAC name	2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-8-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]chromen-4-one
Molecular formula	C₂₁H₂₀O₁₁
Molecular weight	448.4 g/mol
Exact mass	448.1006
Grade	Reference Standard
HSN code	38229090
InChIKey	PLAPMLGJVGLZOV-VPRICQMDSA-N
SMILES	C1=CC(=C(C=C1C2=CC(=O)C3=C(O2)C(=C(C=C3O)O)[C@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CO)O)O)O)O)O
PubChem CID	5281675

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.2
H-bond donors / acceptors	8 / 11
TPSA	197 Å²
Synonyms	Lutexin, Luteolin 8-C-glucoside, Luteolin-8-glucoside, Luteolin-8-C-glucoside, Orientine, 4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-8-beta-D-glucopyranosyl-5,7-dihydroxy-, 8-beta-D-glucosylluteolin, Luteolin 8-C-beta-D-glucopyranoside, 2-(3,4-Dihydroxyphenyl)-8-beta-D-glucopyranosyl-5,7-dihydroxy-4H-1-benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-8-beta-D-glucopyranosyl-5,7-dihydroxy-4H-chromen-4-one, 4H-1-benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-8-beta-D-glucopyranosyl-5,7-dihydroxy, Luteolin 8-glucoside

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 Orientin?

The CAS Registry Number of Orientin is 28608-75-5. It is also known as Lutexin, Luteolin 8-C-glucoside, Luteolin-8-glucoside.

What is the molecular formula and molecular weight of Orientin?

Orientin has the molecular formula C21H20O11 and a molecular weight of 448.4 g/mol. Its IUPAC name is 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-8-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]chromen-4-one.

Which grade and pack sizes of Orientin can I order?

We supply Orientin in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Orientin?

Yes. Every lot of Orientin 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 Orientin be shipped internationally?

Yes. We export Orientin worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.