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Screening compounds

Dihydrocurcumin

Also known as Letestuianin b, (1E)-1,7-bis(4-hydroxy-3-methoxyphenyl)hept-1-ene-3,5-dione, (e)-1,7-bis(4-hydroxy-3-methoxyphenyl)hept-1-ene-3,5-dione

CAS 76474-56-1Formula C21H22O6Molar mass 370.40 g/mol
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Dihydrocurcumin chemical structure, C21H22O6, CAS 76474-56-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
76474-56-1
Formula
C21H22O6
Molar mass
370.40 g/mol
HS code
291450
Category
Screening compounds

What is Dihydrocurcumin?

Plain description, key identifiers and synonyms

Dihydrocurcumin is a beta-diketone that is curcumin in which one of the double bonds has been reduced to a single bond. It is functionally related to a curcumin.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(E)-1,7-bis(4-hydroxy-3-methoxyphenyl)hept-1-ene-3,5-dione
CAS number
76474-56-1 CAS number cross-checkedOther or deprecated CAS: 943330-36-7
Molecular formula
C21H22O6
UNII
4YU9OA673J
InChIKey
MUYJSOCNDLUHPJ-XVNBXDOJSA-N
InChI
InChI=1S/C21H22O6/c1-26-20-11-14(5-9-18(20)24)3-7-16(22)13-17(23)8-4-15-6-10-19(25)21(12-15)27-2/h3,5-7,9-12,24-25H,4,8,13H2,1-2H3/b7-3+
Canonical SMILES
COc1cc(C=CC(=O)CC(=O)CCc2ccc(O)c(OC)c2)ccc1O
Isomeric SMILES
COC1=C(C=CC(=C1)CCC(=O)CC(=O)/C=C/C2=CC(=C(C=C2)O)OC)O

Synonyms

  • Letestuianin b
  • (1E)-1,7-bis(4-hydroxy-3-methoxyphenyl)hept-1-ene-3,5-dione
  • (e)-1,7-bis(4-hydroxy-3-methoxyphenyl)hept-1-ene-3,5-dione
  • 5-Hydroxy-1,7-bis(4-hydroxy-3-methoxyphenyl)-4,6-heptadien-3-one
  • (1E,4Z)-5-Hydroxy-1,7-bis(4-hydroxy-3-methoxyphenyl)hepta-1,4-dien-3-one
  • 4,6-Heptadien-3-one, 5-hydroxy-1,7-bis(4-hydroxy-3-methoxyphenyl)-, (Z,E)-
  • 4,6-Heptadien-3-one, 5-hydroxy-1,7-bis(4-hydroxy-3-methoxyphenyl)-, (4Z,6E)-
  • (4Z,6E)-5-hydroxy-1,7-bis(4-hydroxy-3-methoxyphenyl)hepta-4,6-dien-3-one
  • (1E)-1,7-Bis(4-hydroxy-3-methoxyphenyl)-1-Heptene-3,5-dione,
  • (E)-1,7-bis(4-hydroxy-3-methoxy-phenyl)hept-1-ene-3,5-dione
  • 5-Hydroxy-1,7-bis(4-hydroxy-3-methoxyphenyl)-4,6-heptadien-3-one, 9CI

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
370.40 g/molcalc.
Exact mass
370.1416 Dacalc.
LogP (octanol/water)
3.29calc.
Topological polar surface area
93.06 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
9calc.
Heavy atoms
27calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.24calc.
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=C(C=Cc1ccccc1)CC(=O)CCc1ccccc1

O=C(C=Cc1ccccc1)CC(=O)CCc1ccccc1

2 rings, 21 atoms.

3 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.

Dihydrocurcumin suppliers

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

All 2 suppliers

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.

Where suppliers are based

2 suppliers in 1 country

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Dihydrocurcumin 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.

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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 Dihydrocurcumin is traded under.

HS 2914.50Indicative HS code

Ketone-phenols and ketones with other oxygen function

World exports in 2024
$438M
+10.9% vs 2023, imports $420M
2019 to 2024
Top exporters
  1. China50.5%
  2. India * partner reported11.6%
  3. United States11.3%
Top importers
  1. United States20.8%
  2. Germany10.0%
  3. Netherlands8.6%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Dihydrocurcumin?

Dihydrocurcumin is a beta-diketone that is curcumin in which one of the double bonds has been reduced to a single bond. It is functionally related to a curcumin.

What is the CAS number of Dihydrocurcumin?

The CAS registry number of Dihydrocurcumin is 76474-56-1. Other or deprecated CAS numbers: 943330-36-7.

What is the molecular formula and weight of Dihydrocurcumin?

The molecular formula of Dihydrocurcumin is C21H22O6 and its molar mass is 370.40 g/mol.

What is Dihydrocurcumin used for?

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

Is Dihydrocurcumin hazardous?

No GHS hazard classification for Dihydrocurcumin 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 Dihydrocurcumin?

Dihydrocurcumin is usually classified under HS code 291450 (Ketone-phenols and ketones with other oxygen function). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Dihydrocurcumin?

CompoundList lists 2 suppliers of Dihydrocurcumin in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Dihydrocurcumin?

Suppliers quote Dihydrocurcumin 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 Dihydrocurcumin

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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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