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Flavonoids and polyphenols

Andrographin

Also known as Skullcapflavone I 2'-methyl ether, 5-Hydroxy-2',7,8-trimethoxyflavone, 5-hydroxy-7,8-dimethoxy-2-(2-methoxyphenyl)chromen-4-one

CAS 1165-40-8Formula C18H16O6Molar mass 328.32 g/mol
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Andrographin chemical structure, C18H16O6, CAS 1165-40-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1165-40-8
Formula
C18H16O6
Molar mass
328.32 g/mol
HS code
293299
Category
Flavonoids and polyphenols

What is Andrographin?

Plain description, key identifiers and synonyms

andrographin has been reported in Citrus reticulata, Aphis affinis, and other organisms.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
5-hydroxy-7,8-dimethoxy-2-(2-methoxyphenyl)chromen-4-one
CAS number
1165-40-8
Molecular formula
C18H16O6
InChIKey
AJMNTEFGXPRZHG-UHFFFAOYSA-N
InChI
InChI=1S/C18H16O6/c1-21-13-7-5-4-6-10(13)14-8-11(19)16-12(20)9-15(22-2)17(23-3)18(16)24-14/h4-9,20H,1-3H3
SMILES (canonical and isomeric)
COC1=CC=CC=C1C2=CC(=O)C3=C(O2)C(=C(C=C3O)OC)OC

Synonyms

  • Skullcapflavone I 2'-methyl ether
  • 5-Hydroxy-2',7,8-trimethoxyflavone
  • 5-hydroxy-7,8-dimethoxy-2-(2-methoxyphenyl)chromen-4-one
  • 5-hydroxy-7,8,2'-trimethoxyflavone
  • 5-Hydroxy-7,8-dimethoxy-2-(2-methoxyphenyl)-4H-1-benzopyran-4-one
  • 5-hydroxy-7,8-dimethoxy-2-(2-methoxyphenyl)-4H-chromen-4-one
  • 2'-O-Methylskullcapflavone I
  • skullcapflavone-2'-methoxylether

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
328.32 g/molcalc.
Exact mass
328.0947 Dacalc.
LogP (octanol/water)
3.19calc.
Topological polar surface area
78.13 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
4calc.
Heavy atoms
24calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.17calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 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)oc2ccccc12

O=c1cc(-c2ccccc2)oc2ccccc12

3 rings, 17 atoms, the Flavone ring system.

2,273 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.

Andrographin suppliers

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Andrographin 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

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 Andrographin 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 Andrographin is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Andrographin?

andrographin has been reported in Citrus reticulata, Aphis affinis, and other organisms.

What is the CAS number of Andrographin?

The CAS registry number of Andrographin is 1165-40-8.

What is the molecular formula and weight of Andrographin?

The molecular formula of Andrographin is C18H16O6 and its molar mass is 328.32 g/mol.

Is Andrographin hazardous?

No GHS hazard classification for Andrographin 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 Andrographin?

Andrographin 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 Andrographin?

Post a free request on CompoundList and suppliers of Andrographin will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Andrographin?

Suppliers quote Andrographin 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 Andrographin

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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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