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Aliphatic and alicyclic building blocks

Dehydroretinal

Also known as 3-Dehydroretinal, Vitamin A2 aldehyde, all-trans-Dehydroretinal

CAS 472-87-7Formula C20H26OMolar mass 282.43 g/molEC 207-457-7
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Dehydroretinal chemical structure, C20H26O, CAS 472-87-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
472-87-7
Formula
C20H26O
Molar mass
282.43 g/mol
EC number
207-457-7
HS code
291229
Category
Aliphatic and alicyclic building blocks

What is Dehydroretinal?

Plain description, key identifiers and synonyms

All-trans-dehydroretinal is a retinal which contains an additional double bond between the 3 and 4 positions of the six-membered ring, and in which all of the double bonds in the side chain have the E-configuration.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexa-1,3-dien-1-yl)nona-2,4,6,8-tetraenal
CAS number
472-87-7 CAS number cross-checked
EC number
207-457-7
Molecular formula
C20H26O
UNII
HV8T003XO1
InChIKey
QHNVWXUULMZJKD-OVSJKPMPSA-N
InChI
InChI=1S/C20H26O/c1-16(8-6-9-17(2)13-15-21)11-12-19-18(3)10-7-14-20(19,4)5/h6-13,15H,14H2,1-5H3/b9-6+,12-11+,16-8+,17-13+
Canonical SMILES
CC(C=CC=C(C)C=CC1=C(C)C=CCC1(C)C)=CC=O
Isomeric SMILES
CC1=C(C(CC=C1)(C)C)/C=C/C(=C/C=C/C(=C/C=O)/C)/C

Synonyms

  • 3-Dehydroretinal
  • Vitamin A2 aldehyde
  • all-trans-Dehydroretinal
  • Retinene 2
  • alpha-Retinene
  • trans-3-Dehydroretinal
  • 3-Dehydroretinaldehyde
  • (2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexa-1,3-dien-1-yl)nona-2,4,6,8-tetraenal
  • all-trans-3,4-Dehydroretinal
  • Dehydroretinaldehyd
  • (all-E)-3,7-Dimethyl-9-(2,6,6-trimethyl-1,3-cyclohexadien-1-yl)-2,4,6,8-nonatetraenal
  • 3,4-Didehydroretinal
  • Dehydroretinaldehyde
  • 3-Dehydro Retinal
  • all-trans-3-Dehydroretinal
  • Didehydroretinal
  • Retinene2
  • Retinal 2
  • 3-Dehydroretinal, all-trans-
  • all-trans-3,4-didehydroretinal
  • 2,4,6,8-Nonatetraenal, 3,7-dimethyl-9-(2,6,6-trimethyl-1,3-cyclohexadien-1-yl)-, (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
282.43 g/molcalc.
Exact mass
282.1984 Dacalc.
LogP (octanol/water)
5.49calc.
Topological polar surface area
17.07 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
5calc.
Heavy atoms
21calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.35calc.
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=CCCC=C1

C1=CCCC=C1

1 ring, 6 atoms, the 1,3-Cyclohexadiene ring system.

493 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.

Dehydroretinal suppliers

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Dehydroretinal 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 Dehydroretinal is traded under.

HS 2912.29Indicative HS code

Cyclic aldehydes without other oxygen function, other

World exports in 2024
$435M
+19.0% vs 2023, imports $484M
2019 to 2024
Top exporters
  1. China19.5%
  2. Japan17.4%
  3. India * partner reported13.0%
Top importers
  1. United States22.5%
  2. China9.2%
  3. Singapore8.4%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Dehydroretinal?

All-trans-dehydroretinal is a retinal which contains an additional double bond between the 3 and 4 positions of the six-membered ring, and in which all of the double bonds in the side chain have the E-configuration.

What is the CAS number of Dehydroretinal?

The CAS registry number of Dehydroretinal is 472-87-7.

What is the molecular formula and weight of Dehydroretinal?

The molecular formula of Dehydroretinal is C20H26O and its molar mass is 282.43 g/mol.

What is Dehydroretinal used for?

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

Is Dehydroretinal hazardous?

No GHS hazard classification for Dehydroretinal 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 Dehydroretinal?

Dehydroretinal is usually classified under HS code 291229 (Cyclic aldehydes without other oxygen function, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Dehydroretinal?

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What is the price of Dehydroretinal?

Suppliers quote Dehydroretinal 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 Dehydroretinal

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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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