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Screening compounds

7,8-Methanodihydrocodeinone

Also known as 7,8-Mdhcdo, 7,8a-Cyclo-C-homomorphinan-6-one, 4,5-epoxy-3-methoxy-17-methyl-, (5alpha,7alpha,8aalpha)-, 7beta,8beta-Methanodihydrocodeinone

CAS 78518-10-2Formula C19H21NO3Molar mass 311.38 g/mol
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7,8-Methanodihydrocodeinone chemical structure, C19H21NO3, CAS 78518-10-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
78518-10-2
Formula
C19H21NO3
Molar mass
311.38 g/mol
HS code
293499
Category
Screening compounds

What is 7,8-Methanodihydrocodeinone?

Plain description, key identifiers and synonyms

7,8-Methanodihydrocodeinone is a chemical substance with the molecular formula C19H21NO3 and a molar mass of 311.38 g/mol. Its CAS registry number is 78518-10-2. The IUPAC name is (1S,5R,13R,15R,17R,18R)-10-methoxy-4-methyl-12-oxa-4-azahexacyclo[9.7.1.01,13.05,18.07,19.015,17]nonadeca-7(19),8,10-trien-14-one.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(1S,5R,13R,15R,17R,18R)-10-methoxy-4-methyl-12-oxa-4-azahexacyclo[9.7.1.01,13.05,18.07,19.015,17]nonadeca-7(19),8,10-trien-14-one
CAS number
78518-10-2
Molecular formula
C19H21NO3
InChIKey
KGGLEXDPKVFULR-JIIGUNILSA-N
InChI
InChI=1S/C19H21NO3/c1-20-6-5-19-14-9-3-4-13(22-2)17(14)23-18(19)16(21)11-8-10(11)15(19)12(20)7-9/h3-4,10-12,15,18H,5-8H2,1-2H3/t10-,11+,12+,15-,18-,19+/m0/s1
Canonical SMILES
COc1ccc2c3c1OC1C(=O)C4CC4C4C(C2)N(C)CCC314
Isomeric SMILES
CN1CC[C@]23[C@@H]4[C@H]1CC5=C2C(=C(C=C5)OC)O[C@H]3C(=O)[C@H]6[C@@H]4C6

Synonyms

  • 7,8-Mdhcdo
  • 7,8a-Cyclo-C-homomorphinan-6-one, 4,5-epoxy-3-methoxy-17-methyl-, (5alpha,7alpha,8aalpha)-
  • 7beta,8beta-Methanodihydrocodeinone

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
311.38 g/molcalc.
Exact mass
311.1521 Dacalc.
LogP (octanol/water)
1.79calc.
Topological polar surface area
38.77 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
1calc.
Heavy atoms
23calc.
Rings
6calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.63calc.
Formal charge
0calc.
Stereocentres
6calc.
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=C1C2CC2C2C3Cc4cccc5c4C2(CCN3)C1O5

O=C1C2CC2C2C3Cc4cccc5c4C2(CCN3)C1O5

6 rings, 20 atoms.

No other chemical in our database has 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.

7,8-Methanodihydrocodeinone suppliers

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7,8-Methanodihydrocodeinone price

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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 7,8-Methanodihydrocodeinone is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

The HS code shown for 7,8-Methanodihydrocodeinone is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 7,8-Methanodihydrocodeinone, based on the data on this page

What is 7,8-Methanodihydrocodeinone?

7,8-Methanodihydrocodeinone is a chemical substance with the molecular formula C19H21NO3 and a molar mass of 311.38 g/mol. Its CAS registry number is 78518-10-2. The IUPAC name is (1S,5R,13R,15R,17R,18R)-10-methoxy-4-methyl-12-oxa-4-azahexacyclo[9.7.1.01,13.05,18.07,19.015,17]nonadeca-7(19),8,10-trien-14-one.

What is the CAS number of 7,8-Methanodihydrocodeinone?

The CAS registry number of 7,8-Methanodihydrocodeinone is 78518-10-2.

What is the molecular formula and weight of 7,8-Methanodihydrocodeinone?

The molecular formula of 7,8-Methanodihydrocodeinone is C19H21NO3 and its molar mass is 311.38 g/mol.

What is 7,8-Methanodihydrocodeinone used for?

Known uses and roles of 7,8-Methanodihydrocodeinone include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 7,8-Methanodihydrocodeinone hazardous?

No GHS hazard classification for 7,8-Methanodihydrocodeinone 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 7,8-Methanodihydrocodeinone?

7,8-Methanodihydrocodeinone is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 7,8-Methanodihydrocodeinone?

Post a free request on CompoundList and suppliers of 7,8-Methanodihydrocodeinone will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 7,8-Methanodihydrocodeinone?

Suppliers quote 7,8-Methanodihydrocodeinone 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 7,8-Methanodihydrocodeinone

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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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