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Flavonoids and polyphenols

Afzelin

Also known as Kaempferin, kaempferol-3-rhamnoside, Kaempferol 3-rhamnoside

CAS 482-39-3Formula C21H20O10Molar mass 432.38 g/mol
2 suppliers listed
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Afzelin chemical structure, C21H20O10, CAS 482-39-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
482-39-3
Formula
C21H20O10
Molar mass
432.38 g/mol
HS code
293299
Category
Flavonoids and polyphenols

What is Afzelin?

Plain description, key identifiers and synonyms

Afzelin is a glycosyloxyflavone that is kaempferol attached to an alpha-L-rhamnosyl residue at position 3 via a glycosidic linkage. It has a role as an antibacterial agent, an anti-inflammatory agent and a plant metabolite. It is a trihydroxyflavone, a glycosyloxyflavone and a monosaccharide derivative. It is functionally related to a kaempferol. It is a conjugate acid of an afzelin(1-).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
5,7-dihydroxy-2-(4-hydroxyphenyl)-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxychromen-4-one
CAS number
482-39-3 CAS number cross-checkedOther or deprecated CAS: 786711-07-7
Molecular formula
C21H20O10
UNII
5M86W1YH7O
MDL number
MFCD00210589, MFCD17676152
INCI name
KAEMPFEROL RHAMNOSIDE
InChIKey
SOSLMHZOJATCCP-AEIZVZFYSA-N
InChI
InChI=1S/C21H20O10/c1-8-15(25)17(27)18(28)21(29-8)31-20-16(26)14-12(24)6-11(23)7-13(14)30-19(20)9-2-4-10(22)5-3-9/h2-8,15,17-18,21-25,27-28H,1H3/t8-,15-,17+,18+,21-/m0/s1
Canonical SMILES
CC1OC(Oc2c(-c3ccc(O)cc3)oc3cc(O)cc(O)c3c2=O)C(O)C(O)C1O
Isomeric SMILES
C[C@H]1[C@@H]([C@H]([C@H]([C@@H](O1)OC2=C(OC3=CC(=CC(=C3C2=O)O)O)C4=CC=C(C=C4)O)O)O)O

Synonyms

  • Kaempferin
  • kaempferol-3-rhamnoside
  • Kaempferol 3-rhamnoside
  • Kaempferol 3-O-alpha-L-rhamnoside
  • kaempferol 3-O-alpha-L-rhamnopyranoside
  • kaempherol 3-O-alpha-rhamnoside
  • 4H-1-Benzopyran-4-one, 3-((6-deoxy-alpha-L-mannopyranosyl)oxy)-5,7-dihydroxy-2-(4-hydroxyphenyl)-
  • 5,7-dihydroxy-2-(4-hydroxyphenyl)-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxychromen-4-one
  • 5,7-dihydroxy-2-(4-hydroxyphenyl)-3-((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl)oxychromen-4-one
  • deacyl-SL0101
  • 5,7-dihydroxy-2-(4-hydroxyphenyl)-3-((2S,3S,5R)-3,4,5-trihydroxy-6-methyloxan-2-yl)oxychromen-4-one
  • Kaempferol rhamnoside
  • Kaempferol-3-o-rhamnoside
  • Kaempferol 3-o-rhamnopyranoside
  • kaempferol-3-o-alpha-l-rhamnopyranoside
  • 5,7-dihydroxy-2-(4-hydroxyphenyl)-3-(((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-4H-chromen-4-one
  • 5,7-Dihydroxy-2-(4-Hydroxyphenyl)-4-Oxo-4h-Chromen-3-Yl 6-Deoxy-Alpha-L-Mannopyranoside
  • 5,7-dihydroxy-2-(4-hydroxyphenyl)-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyl-tetrahydropyran-2-yl]oxy-chromen-4-one
  • Kaempferol 3-O-?-L-Rhamnoside
  • Afzeloside
  • kaempferol-3-o-beta-rhamnoside
  • kaempferol-rhamnose
  • 4H-1-Benzopyran-4-one, 3-[(6-deoxy-alpha-L-mannopyranosyl)oxy]-5,7-dihydroxy-2-(4-hydroxyphenyl)-
  • Afzelin (Standard)
  • kaempferol-rhamnoside
Show all 36 synonyms
  • kaempferol-3-O-rhamnose
  • kaempferol-3-O-L-rhamnoside
  • kaempfern-3-O-alpha-rhamnoside
  • ACon1_000149
  • Kaempferol 3-l-rhamnoside
  • Kaempferol 3-alpha-l-
  • kaempferol-3-O-alpha-L-rahmnoside
  • 3-O-(alpha-L-rhamnosyl)kaempferol
  • Afzelin, Kaempferol-3-O-rhamnoside
  • Afzelin, >=90% (LC/MS-UV)
  • kaempferol 3-O-alpha-L-rhampyranoside

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
432.38 g/molcalc.
Exact mass
432.1056 Dacalc.
LogP (octanol/water)
0.78calc.
Topological polar surface area
170.1 Ųcalc.
Hydrogen bond donors
6calc.
Hydrogen bond acceptors
10calc.
Rotatable bonds
3calc.
Heavy atoms
31calc.
Rings
4calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.29calc.
Formal charge
0calc.
Stereocentres
5calc.
Lipinski rule of five
Passes (1 violation)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=c1c(OC2CCCCO2)c(-c2ccccc2)oc2ccccc12

O=c1c(OC2CCCCO2)c(-c2ccccc2)oc2ccccc12

4 rings, 24 atoms.

110 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.

Afzelin suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 2 suppliers
  • Biopurify Phytochemicals
    China, ChengduUnclaimed profile
    AfzelinGrade, purity and minimum order on request
    Price on request
    View
  • ChemFaces
    China, WuhanUnclaimed profile
    AfzelinGrade, purity and minimum order on request
    Price on request
    View

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

2 suppliers in 1 country

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Afzelin 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

Cosmetic ingredient, INCI name KAEMPFEROL RHAMNOSIDE(antioxidant, skin conditioning - emollient, skin protecting)

Roles

  • anti-inflammatory agent
  • antibacterial agent
  • antimicrobial agent
  • eukaryotic metabolite
  • metabolite
  • plant metabolite

Cosmetic functions

  • Antioxidant
  • Skin conditioning - emollient
  • Skin protecting

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Afzelin 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 Afzelin is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Afzelin?

Afzelin is a glycosyloxyflavone that is kaempferol attached to an alpha-L-rhamnosyl residue at position 3 via a glycosidic linkage. It has a role as an antibacterial agent, an anti-inflammatory agent and a plant metabolite. It is a trihydroxyflavone, a glycosyloxyflavone and a monosaccharide derivative.

What is the CAS number of Afzelin?

The CAS registry number of Afzelin is 482-39-3. Other or deprecated CAS numbers: 786711-07-7.

What is the molecular formula and weight of Afzelin?

The molecular formula of Afzelin is C21H20O10 and its molar mass is 432.38 g/mol.

What is Afzelin used for?

Known uses and roles of Afzelin include emollients in cosmetics and personal care, antioxidants in cosmetics and personal care, skin conditioning agents in cosmetics and personal care, anti-inflammatory agent, antibacterial agent and 7 more.

Is Afzelin hazardous?

No GHS hazard classification for Afzelin 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 Afzelin?

Afzelin 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 Afzelin?

CompoundList lists 2 suppliers of Afzelin in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Afzelin?

Suppliers quote Afzelin 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

Practical guides that help when you source, ship or handle Afzelin

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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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