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Aliphatic and alicyclic building blocks

Retinyl methyl ether

Also known as 2-(9-Methoxy-3,7-dimethyl-1,3,5,7-nonatetraenyl)-1,3,3-trimethylcyclohexene, 2-[(1E,3E,5E,7E)-9-methoxy-3,7-dimethylnona-1,3,5,7-tetraenyl]-1,3,3-trimethylcyclohexene, O~15~-Methylretinol

CAS 32450-56-9Formula C21H32OMolar mass 300.49 g/molEC 251-054-9
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Retinyl methyl ether chemical structure, C21H32O, CAS 32450-56-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
32450-56-9
Formula
C21H32O
Molar mass
300.49 g/mol
EC number
251-054-9
HS code
290920
Category
Aliphatic and alicyclic building blocks

What is Retinyl methyl ether?

Plain description, key identifiers and synonyms

Retinyl methyl ether is a chemical substance with the molecular formula C21H32O and a molar mass of 300.49 g/mol. Its CAS registry number is 32450-56-9. The IUPAC name is 2-[(1E,3E,5E,7E)-9-methoxy-3,7-dimethylnona-1,3,5,7-tetraenyl]-1,3,3-trimethylcyclohexene.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[(1E,3E,5E,7E)-9-methoxy-3,7-dimethylnona-1,3,5,7-tetraenyl]-1,3,3-trimethylcyclohexene
CAS number
32450-56-9
EC number
251-054-9
Molecular formula
C21H32O
InChIKey
XWULCDOSZPRLEQ-QHLGVNSISA-N
InChI
InChI=1S/C21H32O/c1-17(9-7-10-18(2)14-16-22-6)12-13-20-19(3)11-8-15-21(20,4)5/h7,9-10,12-14H,8,11,15-16H2,1-6H3/b10-7+,13-12+,17-9+,18-14+
Canonical SMILES
COCC=C(C)C=CC=C(C)C=CC1=C(C)CCCC1(C)C
Isomeric SMILES
CC1=C(C(CCC1)(C)C)/C=C/C(=C/C=C/C(=C/COC)/C)/C

Synonyms

  • 2-(9-Methoxy-3,7-dimethyl-1,3,5,7-nonatetraenyl)-1,3,3-trimethylcyclohexene
  • 2-[(1E,3E,5E,7E)-9-methoxy-3,7-dimethylnona-1,3,5,7-tetraenyl]-1,3,3-trimethylcyclohexene
  • O~15~-Methylretinol
  • RO 1-5218
  • (All-E)-2-(9-methoxy-3,7-dimethyl-1,3,5,7-nonatetraenyl)-1,3,3-trimethylcyclohexene
  • Cyclohexene, 2-(9-methoxy-3,7-dimethyl-1,3,5,7-nonatetraenyl)-1,3,3-trimethyl-, (all-E)-

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
300.49 g/molcalc.
Exact mass
300.2453 Dacalc.
LogP (octanol/water)
6.16calc.
Topological polar surface area
9.23 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
6calc.
Heavy atoms
22calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.52calc.
Formal charge
0calc.
Stereocentres
0calc.
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, C1=CCCCC1

C1=CCCCC1

1 ring, 6 atoms, the Cyclohexene ring system.

5,167 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.

Retinyl methyl ether suppliers

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Retinyl methyl ether 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 Retinyl methyl ether is traded under.

HS 2909.20Indicative HS code

Cyclanic, cyclenic or cycloterpenic ethers and their halogenated, sulphonated, nitrated…

World exports in 2024
$57.7M
+10.8% vs 2023, imports $59.7M
2019 to 2024
Top exporters
  1. China41.5%
  2. United States13.2%
  3. Germany9.5%
Top importers
  1. United States15.0%
  2. Spain8.3%
  3. China8.2%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Retinyl methyl ether, based on the data on this page

What is Retinyl methyl ether?

Retinyl methyl ether is a chemical substance with the molecular formula C21H32O and a molar mass of 300.49 g/mol. Its CAS registry number is 32450-56-9. The IUPAC name is 2-[(1E,3E,5E,7E)-9-methoxy-3,7-dimethylnona-1,3,5,7-tetraenyl]-1,3,3-trimethylcyclohexene.

What is the CAS number of Retinyl methyl ether?

The CAS registry number of Retinyl methyl ether is 32450-56-9.

What is the molecular formula and weight of Retinyl methyl ether?

The molecular formula of Retinyl methyl ether is C21H32O and its molar mass is 300.49 g/mol.

What is Retinyl methyl ether used for?

Known uses and roles of Retinyl methyl ether include building blocks in research and laboratory.

Is Retinyl methyl ether hazardous?

No GHS hazard classification for Retinyl methyl ether 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 Retinyl methyl ether?

Retinyl methyl ether is usually classified under HS code 290920 (Cyclanic, cyclenic or cycloterpenic ethers and their halogenated, sulphonated, nitrated…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Retinyl methyl ether?

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What is the price of Retinyl methyl ether?

Suppliers quote Retinyl methyl ether 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 Retinyl methyl ether

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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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