CompoundList

Tectochrysin

Also known as 5-Hydroxy-7-methoxyflavone, Techtochrysin, 7-Methoxy-5-hydroxyflavone

CAS 520-28-5Formula C16H12O4Molar mass 268.27 g/mol
Tectochrysin chemical structure, C16H12O4, CAS 520-28-5
2D chemical structure

Key facts

What buyers check first

CAS number
520-28-5
Formula
C16H12O4
Molar mass
268.27 g/mol
HS code
293299
Category
Respiratory, allergy and digestive drugs

What is Tectochrysin?

Plain description, key identifiers and synonyms

Tectochrysin is a monohydroxyflavone that is flavone substituted by a hydroxy group at position 4 and a methoxy group at position 7 respectively. It has a role as an antineoplastic agent, an antidiarrhoeal drug and a plant metabolite. It is a monomethoxyflavone and a monohydroxyflavone. It is functionally related to a flavone.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
5-hydroxy-7-methoxy-2-phenylchromen-4-one
CAS number
520-28-5 CAS number cross-checked
Molecular formula
C16H12O4
UNII
9UBO28W2AK
MDL number
MFCD00016945
InChIKey
IRZVHDLBAYNPCT-UHFFFAOYSA-N
InChI
InChI=1S/C16H12O4/c1-19-11-7-12(17)16-13(18)9-14(20-15(16)8-11)10-5-3-2-4-6-10/h2-9,17H,1H3
SMILES (canonical and isomeric)
COC1=CC(=C2C(=C1)OC(=CC2=O)C3=CC=CC=C3)O

Synonyms

  • 5-Hydroxy-7-methoxyflavone
  • Techtochrysin
  • 7-Methoxy-5-hydroxyflavone
  • 5-hydroxy-7-methoxy-2-phenylchromen-4-one
  • Flavone, 5-hydroxy-7-methoxy-
  • 4H-1-Benzopyran-4-one, 5-hydroxy-7-methoxy-2-phenyl-
  • 5-hydroxy-7-methoxy-2-phenyl-4H-1-benzopyran-4-one
  • 5-Hydroxy-7-methoxy-2-phenyl-4H-chromen-4-one
  • Methyl chrysin
  • 7-o-Methylchrysin
  • Techtochrysin, NSC 80687
  • 5-Hydroxy-7-methoxy-2-phenyl-chromen-4-one
  • Techtochrysine
  • Tecto-chrysin
  • 5-Hydroxy-7-methylflavone, 7-O-Methylchrysin, Tectochrysine
  • 7-methoxycrysin
  • Chrysin 7-methylether
  • chrysin-7-methyl ether
  • Tectochrysin (Standard)
  • 2-Phenyl-5-hydroxy-7-methoxychromone
  • 5-Hydroxy-7-methoxy-2-phenyl-4H-chromen-4-one #

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
268.27 g/molcalc.
Exact mass
268.0736 Dacalc.
LogP (octanol/water)
3.17calc.
Topological polar surface area
59.67 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
2calc.
Heavy atoms
20calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.06calc.
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.

Tectochrysin suppliers

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

All 8 suppliers
8 of 8 offers

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.

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Tectochrysin price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Roles

  • antidiarrhoeal drug
  • antineoplastic agent
  • eukaryotic metabolite
  • gastrointestinal drug
  • metabolite
  • pharmaceutical
  • 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 Tectochrysin 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 Tectochrysin is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Tectochrysin?

Tectochrysin is a monohydroxyflavone that is flavone substituted by a hydroxy group at position 4 and a methoxy group at position 7 respectively. It has a role as an antineoplastic agent, an antidiarrhoeal drug and a plant metabolite. It is a monomethoxyflavone and a monohydroxyflavone.

What is the CAS number of Tectochrysin?

The CAS registry number of Tectochrysin is 520-28-5.

What is the molecular formula and weight of Tectochrysin?

The molecular formula of Tectochrysin is C16H12O4 and its molar mass is 268.27 g/mol.

What is Tectochrysin used for?

Known uses and roles of Tectochrysin include antidiarrhoeal drug, antineoplastic agent, eukaryotic metabolite, gastrointestinal drug, metabolite and 2 more.

Is Tectochrysin hazardous?

No GHS hazard classification for Tectochrysin 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 Tectochrysin?

Tectochrysin 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 Tectochrysin?

CompoundList lists 8 suppliers of Tectochrysin in China, Ukraine 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 Tectochrysin?

Suppliers quote Tectochrysin 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 Tectochrysin

Get quotes for Tectochrysin

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Tectochrysin with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/tectochrysin-520-28-5" title="Tectochrysin structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Respiratory, allergy and digestive drugs or HS code 293299

8 suppliers
Free quotes, contact stays private
Get quotes