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Aromatic building blocks

Edmba

Also known as 7,12-Dimethyl-5,6-epoxy-5,6-dihydrobenz(a)anthracene, 12,19-dimethyl-3-oxapentacyclo[9.8.0.02,4.05,10.013,18]nonadeca-1(19),5,7,9,11,13,15,17-octaene, BENZ(a)ANTHRACENE, 5,6-DIHYDRO-7,12-DIMETHYL-5,6-EPOXY-

Formula C20H16OMolar mass 272.35 g/mol
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Edmba chemical structure, C20H16O
2D chemical structure

Key facts

What buyers check first

All properties
Formula
C20H16O
Molar mass
272.35 g/mol
HS code
291090
Category
Aromatic building blocks

What is Edmba?

Plain description, key identifiers and synonyms

7,12-Dimethylbenz[a]anthracene 5,6-oxide is an epoxide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
12,19-dimethyl-3-oxapentacyclo[9.8.0.02,4.05,10.013,18]nonadeca-1(19),5,7,9,11,13,15,17-octaene
Molecular formula
C20H16O
InChIKey
HVGNLIKFFBYBQM-UHFFFAOYSA-N
InChI
InChI=1S/C20H16O/c1-11-13-7-3-4-8-14(13)12(2)18-17(11)15-9-5-6-10-16(15)19-20(18)21-19/h3-10,19-20H,1-2H3
SMILES (canonical and isomeric)
CC1=C2C3C(O3)C4=CC=CC=C4C2=C(C5=CC=CC=C15)C

Synonyms

  • 7,12-Dimethyl-5,6-epoxy-5,6-dihydrobenz(a)anthracene
  • 12,19-dimethyl-3-oxapentacyclo[9.8.0.02,4.05,10.013,18]nonadeca-1(19),5,7,9,11,13,15,17-octaene
  • BENZ(a)ANTHRACENE, 5,6-DIHYDRO-7,12-DIMETHYL-5,6-EPOXY-
  • DMBA-5,6-epoxide
  • 7,12-Dimethylbenz[a]anthracene K-region epoxide
  • 6,11-dimethyl-1a,11b-dihydrotetrapheno[5,6-b]oxirene
  • 6,11-Dimethyl-1a,11b-dihydrobenzo[3,4]anthra[1,2-b]oxirene #

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
272.35 g/molcalc.
Exact mass
272.1201 Dacalc.
LogP (octanol/water)
5.25calc.
Topological polar surface area
12.53 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
21calc.
Rings
5calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.2calc.
Formal charge
0calc.
Stereocentres
2calc.
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, c1ccc2c(c1)-c1cc3ccccc3cc1C1OC21

c1ccc2c(c1)-c1cc3ccccc3cc1C1OC21

5 rings, 19 atoms, the Benz(3,4)anthra(1,2-b)oxirene, 1a,11b-dihydro- ring system.

9 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.

Edmba suppliers

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Edmba 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

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 Edmba is traded under.

HS 2910.90Indicative HS code

Epoxides with a three-membered ring and their halogenated, sulphonated, nitrated or nitrosated derivatives…

World exports in 2024
$467M
−2.9% vs 2023, imports $501M
2019 to 2024
Top exporters
  1. Netherlands24.5%
  2. China19.7%
  3. Japan18.8%
Top importers
  1. United States17.6%
  2. Germany16.3%
  3. China10.8%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Edmba?

7,12-Dimethylbenz[a]anthracene 5,6-oxide is an epoxide.

What is the molecular formula and weight of Edmba?

The molecular formula of Edmba is C20H16O and its molar mass is 272.35 g/mol.

What is Edmba used for?

Known uses and roles of Edmba include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Edmba hazardous?

No GHS hazard classification for Edmba 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 Edmba?

Edmba is usually classified under HS code 291090 (Epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Edmba?

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

What is the price of Edmba?

Suppliers quote Edmba 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 Edmba

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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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