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Coenzymes and cofactors

Coenzyme Q2

Also known as Ubiquinone-2, Ubiquinone Q2, 2,3-Dimethoxy-5-geranyl-6-methyl-1,4-benzoquinone

CAS 606-06-4Formula C19H26O4Molar mass 318.41 g/molEC 215-668-0
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Coenzyme Q2 chemical structure, C19H26O4, CAS 606-06-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
606-06-4
Formula
C19H26O4
Molar mass
318.41 g/mol
EC number
215-668-0
HS code
291469
Category
Coenzymes and cofactors

What is Coenzyme Q2?

Plain description, key identifiers and synonyms

Ubiquinone-2 is a compound composed of the 2,3-dimethoxy-5-methylbenzoquinone nucleus common to ubiquinones, and a side chain of two isoprenoid units.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[(2E)-3,7-dimethylocta-2,6-dienyl]-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione
CAS number
606-06-4 CAS number cross-checkedOther or deprecated CAS: 1339-63-5, 7704-04-3
EC number
215-668-0
Molecular formula
C19H26O4
UNII
I7T5V2W47R
MDL number
MFCD00871693
InChIKey
SQQWBSBBCSFQGC-JLHYYAGUSA-N
InChI
InChI=1S/C19H26O4/c1-12(2)8-7-9-13(3)10-11-15-14(4)16(20)18(22-5)19(23-6)17(15)21/h8,10H,7,9,11H2,1-6H3/b13-10+
Canonical SMILES
COC1=C(OC)C(=O)C(CC=C(C)CCC=C(C)C)=C(C)C1=O
Isomeric SMILES
CC1=C(C(=O)C(=C(C1=O)OC)OC)C/C=C(\C)/CCC=C(C)C

Synonyms

  • Ubiquinone-2
  • Ubiquinone Q2
  • 2,3-Dimethoxy-5-geranyl-6-methyl-1,4-benzoquinone
  • 2-[(2E)-3,7-dimethylocta-2,6-dienyl]-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione
  • 2-[(2E)-3,7-dimethylocta-2,6-dien-1-yl]-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione
  • p-benzoquinone, 2-geranyl-5,6-dimethoxy-3-methyl-
  • (E)-2-(3,7-Dimethyl-2,6-octadienyl)-5,6-dimethoxy-3-methyl-p-benzoquinone
  • 2,5-Cyclohexadiene-1,4-dione, 2-(3,7-dimethyl-2,6-octadienyl)-5,6-dimethoxy-3-methyl-
  • 2,5-cyclohexadiene-1,4-dione, 2-((2e)-3,7-dimethyl-2,6-octadien-1-yl)-5,6-dimethoxy-3-methyl-
  • 2-((2E)-3,7-dimethylocta-2,6-dien-1-yl)-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione
  • 2-((2E)-3,7-dimethylocta-2,6-dienyl)-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione
  • Ubiquinone 2
  • Ubiquinones
  • 2-(3,7-Dimethyl-2,6-octadienyl)-5,6-dimethoxy-3-methyl-2,5-cyclohexadiene-1,4-dione
  • p-Benzoquinone, 2-(3,7-dimethyl-2,6-octadienyl)-5,6-dimethoxy-3-methyl-, (E)-
  • Coenzyme Q2, >=90%
  • Ubidecarenone Impurity 18Coenzyme Q2
  • CoQ8, Coenzyme Q8 (E. coli), powder
  • Coenzyme q2 (a solution in ethanol)
  • dimethoxy-5-methyl-6-geranyl-1,4-benzoquinone
  • 2-(3,7-dimethyl-2,6-octadienyl)-5,6-dimethoxy-3-methyl- p-Benzoquinone
  • 2-[(2E)-3,7-Dimethyl-2,6-octadienyl]-5,6-dimethoxy-3-methyl- p-Benzoquinone
  • 2-[(2E)-3,7-dimethylocta-2,6-dien-1-yl]-5,6-dimethoxy-3-methyl-1,4-benzoquinone
  • 2-[(2E)-3,7-dimethylocta-2,6-dienyl]-5,6-dimethoxy-3-methyl-1,4-benzoquinone

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
318.41 g/molcalc.
Exact mass
318.1831 Dacalc.
LogP (octanol/water)
4.04calc.
Topological polar surface area
52.6 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
7calc.
Heavy atoms
23calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.47calc.
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=C1C=CC(=O)C=C1

O=C1C=CC(=O)C=C1

1 ring, 8 atoms, the Quinone ring system.

738 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.

Coenzyme Q2 suppliers

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

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  • EvitaChem
    China, BeijingUnclaimed profile
    Coenzyme Q2Grade, purity and minimum order on request
    Price on request
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Coenzyme Q2 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

Pharmacological actions

  • Antidotes

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 Coenzyme Q2 is traded under.

HS 2914.69Indicative HS code

Quinones, other

World exports in 2024
$162M
−10.1% vs 2023, imports $157M
2019 to 2024
Top exporters
  1. China32.8%
  2. Netherlands29.3%
  3. Japan13.8%
Top importers
  1. United States23.0%
  2. India * partner reported16.1%
  3. Thailand7.9%

* Partner reported figures, a lower bound.

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

The HS code shown for Coenzyme Q2 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Coenzyme Q2, based on the data on this page

What is Coenzyme Q2?

Ubiquinone-2 is a compound composed of the 2,3-dimethoxy-5-methylbenzoquinone nucleus common to ubiquinones, and a side chain of two isoprenoid units.

What is the CAS number of Coenzyme Q2?

The CAS registry number of Coenzyme Q2 is 606-06-4. Other or deprecated CAS numbers: 1339-63-5, 7704-04-3.

What is the molecular formula and weight of Coenzyme Q2?

The molecular formula of Coenzyme Q2 is C19H26O4 and its molar mass is 318.41 g/mol.

What is Coenzyme Q2 used for?

Known uses and roles of Coenzyme Q2 include antidotes.

Is Coenzyme Q2 hazardous?

No GHS hazard classification for Coenzyme Q2 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 Coenzyme Q2?

Coenzyme Q2 is usually classified under HS code 291469 (Quinones, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Coenzyme Q2?

CompoundList lists 1 supplier of Coenzyme Q2 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 Coenzyme Q2?

Suppliers quote Coenzyme Q2 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

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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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