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Flavonoids and polyphenols

Orientin

Also known as Lutexin, Luteolin 8-C-glucoside, Luteolin-8-glucoside

CAS 28608-75-5Formula C21H20O11Molar mass 448.38 g/molEC 608-227-2
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Orientin chemical structure, C21H20O11, CAS 28608-75-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
28608-75-5
Formula
C21H20O11
Molar mass
448.38 g/mol
EC number
608-227-2
HS code
293299
Category
Flavonoids and polyphenols

What is Orientin?

Plain description, key identifiers and synonyms

Orientin is a C-glycosyl compound that is luteolin substituted by a beta-D-glucopyranosyl moiety at position 8. It has a role as an antioxidant and a metabolite. It is a C-glycosyl compound, a 3'-hydroxyflavonoid and a tetrahydroxyflavone. It is functionally related to a luteolin.

Identifiers

Registry numbers, names and line notations, tap to copy

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
CAS number
28608-75-5 CAS number cross-checked
EC number
608-227-2
Molecular formula
C21H20O11
UNII
IAX93XCW6C
MDL number
MFCD00017432
InChIKey
PLAPMLGJVGLZOV-VPRICQMDSA-N
InChI
InChI=1S/C21H20O11/c22-6-14-17(28)18(29)19(30)21(32-14)16-11(26)4-10(25)15-12(27)5-13(31-20(15)16)7-1-2-8(23)9(24)3-7/h1-5,14,17-19,21-26,28-30H,6H2/t14-,17-,18+,19-,21+/m1/s1
Canonical SMILES
O=c1cc(-c2ccc(O)c(O)c2)oc2c(C3OC(CO)C(O)C(O)C3O)c(O)cc(O)c12
Isomeric 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

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
  • Massbank pr020063
  • 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
  • 2-(3,4-dihydroxyphenyl)-8-beta-D-glucopyranosyl-5,7-dihydroxy-4H-chromen-4-one
  • 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
  • 4H-1-benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-8-beta-D-glucopyranosyl-5,7-dihydroxy
  • 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-8-((2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)-4H-chromen-4-one
  • Luteolin 8-glucoside
  • 8-glucosylluteolin
  • 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-8-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]-4H-chromen-4-one
  • Orientin (Flavone)
  • 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-8-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydropyran-2-yl]chromen-4-one
  • USE
  • Orientin (Standard)
  • 8-beta-D-Glucopyranosyl-3',4',5,7-tetrahydroxyflavone
  • luteolin 8-C-glucopyranoside
  • Orientin, analytical standard
Show all 31 synonyms
  • Orientin, >=97% (HPLC)
  • NIAID AIDS# 026706
  • Luteolin 8-c-beta-glucopyranoside
  • Orientin 100 microg/mL in Acetonitrile:Water
  • Orientin, primary pharmaceutical reference standard
  • Luteolin-8-C-glucoside, Luteolin-8-glucoside, Lutexin

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
448.38 g/molcalc.
Exact mass
448.1006 Dacalc.
LogP (octanol/water)
-0.2calc.
Topological polar surface area
201.3 Ųcalc.
Hydrogen bond donors
8calc.
Hydrogen bond acceptors
11calc.
Rotatable bonds
3calc.
Heavy atoms
32calc.
Rings
4calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.29calc.
Formal charge
0calc.
Stereocentres
5calc.
Lipinski rule of five
Fails (2 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=c1cc(-c2ccccc2)oc2c(C3CCCCO3)cccc12

O=c1cc(-c2ccccc2)oc2c(C3CCCCO3)cccc12

4 rings, 23 atoms.

21 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Orientin suppliers

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All 13 suppliers
13 of 13 offers

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Where suppliers are based

13 suppliers in 2 countries

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Orientin price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Roles

  • antioxidant
  • metabolite

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Orientin is traded under.

HS 2932.99Indicative HS code

Heterocyclic compounds with oxygen hetero-atom(s) only, other

World exports in 2024
$3.81B
+10.3% vs 2023, imports $7.05B
2019 to 2024
Top exporters
  1. China28.9%
  2. Switzerland * partner reported12.7%
  3. Germany7.8%
Top importers
  1. United States49.7%
  2. China11.9%
  3. India * partner reported3.3%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Orientin is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Orientin, based on the data on this page

What is Orientin?

Orientin is a C-glycosyl compound that is luteolin substituted by a beta-D-glucopyranosyl moiety at position 8. It has a role as an antioxidant and a metabolite. It is a C-glycosyl compound, a 3'-hydroxyflavonoid and a tetrahydroxyflavone. It is functionally related to a luteolin.

What is the CAS number of Orientin?

The CAS registry number of Orientin is 28608-75-5.

What is the molecular formula and weight of Orientin?

The molecular formula of Orientin is C21H20O11 and its molar mass is 448.38 g/mol.

What is Orientin used for?

Known uses and roles of Orientin include antioxidant and metabolite.

Is Orientin hazardous?

No GHS hazard classification for Orientin is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Orientin?

Orientin is usually classified under HS code 293299 (Heterocyclic compounds with oxygen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Orientin?

CompoundList lists 13 suppliers of Orientin in China and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Orientin?

Suppliers quote Orientin on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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