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Glycosides and other natural products

Robinin

Also known as Kaempferol-3-O-gal-rham-7-O-rham, Kaempferol-3-O-robinoside-7-O-rhamnoside, 7-[(6-deoxy-alpha-L-mannopyranosyl)oxy]-5-hydroxy-2-(4-hydroxyphenyl)-4-oxo-4H-1-benzopyran-3-yl 6-O-(6-deoxy-alpha-L-mannopyranosyl)-beta-D-galactopyranoside

CAS 301-19-9Formula C33H40O19Molar mass 740.66 g/molEC 206-113-3
GHS signal word: Warning. Pictograms: Harmful or irritant 2 suppliers listed
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Robinin chemical structure, C33H40O19, CAS 301-19-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
301-19-9
Formula
C33H40O19
Molar mass
740.66 g/mol
EC number
206-113-3
HS code
293890
Category
Glycosides and other natural products

What is Robinin?

Plain description, key identifiers and synonyms

Robinin is a glycosyloxyflavone that is kaempherol substituted by a 6-O-(6-deoxy-alpha-L-mannopyranosyl)-beta-D-galactopyranosyl residue at position 3 and a 6-deoxy-alpha-L-mannopyranosyl residue at position 7 via a glycosidic linkage. It has a role as a plant metabolite. It is a dihydroxyflavone and a glycosyloxyflavone. It is functionally related to a kaempferol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
5-hydroxy-2-(4-hydroxyphenyl)-7-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy-3-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-[[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxymethyl]oxan-2-yl]oxychromen-4-one
CAS number
301-19-9 CAS number cross-checked
EC number
206-113-3
Molecular formula
C33H40O19
UNII
75RT1VGM60
InChIKey
PEFASEPMJYRQBW-HKWQTAEVSA-N
InChI
InChI=1S/C33H40O19/c1-10-19(36)23(40)26(43)31(47-10)46-9-17-21(38)25(42)28(45)33(51-17)52-30-22(39)18-15(35)7-14(49-32-27(44)24(41)20(37)11(2)48-32)8-16(18)50-29(30)12-3-5-13(34)6-4-12/h3-8,10-11,17,19-21,23-28,31-38,40-45H,9H2,1-2H3/t10-,11-,17+,19-,20-,21-,23+,24+,25-,26+,27+,28+,31+,32-,33-/m0/s1
Canonical SMILES
CC1OC(OCC2OC(Oc3c(-c4ccc(O)cc4)oc4cc(OC5OC(C)C(O)C(O)C5O)cc(O)c4c3=O)C(O)C(O)C2O)C(O)C(O)C1O
Isomeric SMILES
C[C@H]1[C@@H]([C@H]([C@H]([C@@H](O1)OC[C@@H]2[C@@H]([C@@H]([C@H]([C@@H](O2)OC3=C(OC4=CC(=CC(=C4C3=O)O)O[C@H]5[C@@H]([C@@H]([C@H]([C@@H](O5)C)O)O)O)C6=CC=C(C=C6)O)O)O)O)O)O)O

Synonyms

  • Kaempferol-3-O-gal-rham-7-O-rham
  • Kaempferol-3-O-robinoside-7-O-rhamnoside
  • 7-[(6-deoxy-alpha-L-mannopyranosyl)oxy]-5-hydroxy-2-(4-hydroxyphenyl)-4-oxo-4H-1-benzopyran-3-yl 6-O-(6-deoxy-alpha-L-mannopyranosyl)-beta-D-galactopyranoside
  • Robinin (Standard)
  • DivK1c_006
  • DivK1c_006915
  • Robinin, >=90.0% (HPLC)
  • kaempherol-3-O-robinoside-7-O-rhamnoside
  • Kaempferol 3-O-beta-robinoside 7-O-alpha-L-rhamnopyranoside
  • Kaempferol 3-o-alpha-l-rhamnopyranosyl-(1->6)-beta-d-galactopyranosyl 7-o-alpha-l-rhamnopyranoside
  • kaempferol 3-O-alpha-L-rhamnopyranosyl-(1->6)-beta-D-galactopyranosyl-7-O-alpha-L-rhamnopyranoside

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
740.66 g/molcalc.
Exact mass
740.2164 Dacalc.
LogP (octanol/water)
-2.89calc.
Topological polar surface area
308.1 Ųcalc.
Hydrogen bond donors
11calc.
Hydrogen bond acceptors
19calc.
Rotatable bonds
8calc.
Heavy atoms
52calc.
Rings
6calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.55calc.
Formal charge
0calc.
Stereocentres
15calc.
Lipinski rule of five
Fails (3 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=c1c(OC2CCCC(COC3CCCCO3)O2)c(-c2ccccc2)oc2cc(OC3CCCCO3)ccc12

O=c1c(OC2CCCC(COC3CCCCO3)O2)c(-c2ccccc2)oc2cc(OC3CCCCO3)ccc12

6 rings, 39 atoms.

13 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
Precautionary statements (5)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P301 + P317If swallowed: Get medical help.
  • P330Rinse mouth.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

Robinin suppliers

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All 2 suppliers

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Where suppliers are based

2 suppliers in 1 country

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Robinin 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

  • eukaryotic metabolite
  • metabolite
  • plant 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 Robinin is traded under.

HS 2938.90Indicative HS code

Natural or reproduced by synthesis, other than rutoside (rutin) and its derivatives

World exports in 2024
$1.4B
−8.3% vs 2023, imports $1.35B
2019 to 2024
Top exporters
  1. China49.2%
  2. France * partner reported8.9%
  3. Malaysia6.1%
Top importers
  1. United States22.3%
  2. India * partner reported7.8%
  3. Brazil5.5%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Robinin?

Robinin is a glycosyloxyflavone that is kaempherol substituted by a 6-O-(6-deoxy-alpha-L-mannopyranosyl)-beta-D-galactopyranosyl residue at position 3 and a 6-deoxy-alpha-L-mannopyranosyl residue at position 7 via a glycosidic linkage. It has a role as a plant metabolite.

What is the CAS number of Robinin?

The CAS registry number of Robinin is 301-19-9.

What is the molecular formula and weight of Robinin?

The molecular formula of Robinin is C33H40O19 and its molar mass is 740.66 g/mol.

What is Robinin used for?

Known uses and roles of Robinin include eukaryotic metabolite, metabolite and plant metabolite.

Is Robinin hazardous?

Robinin carries the GHS signal word "Warning". Main hazards: harmful if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Robinin?

Robinin is usually classified under HS code 293890 (Glycosides, natural or reproduced by synthesis, and their salts, ethers, esters and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Robinin?

CompoundList lists 2 suppliers of Robinin 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 Robinin?

Suppliers quote Robinin 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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