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Impurities and reference standards

Coenzyme Q7

Also known as Ubiquinone 7, Ubiquinone Q7, Ubiquinone 35

CAS 303-95-7Formula C44H66O4Molar mass 659.01 g/mol
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Coenzyme Q7 chemical structure, C44H66O4, CAS 303-95-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
303-95-7
Formula
C44H66O4
Molar mass
659.01 g/mol
HS code
291469
Category
Impurities and reference standards

What is Coenzyme Q7?

Plain description, key identifiers and synonyms

Ubiquinone-7 is a compound whose structure comprises a 2,3-dimethoxy-5-methylbenzoquinone nucleus, common to ubiquinones, and a side chain of seven isoprenoid units.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[(2E,6E,10E,14E,18E,22E)-3,7,11,15,19,23,27-heptamethyloctacosa-2,6,10,14,18,22,26-heptaenyl]-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione
CAS number
303-95-7Other or deprecated CAS: 25222-34-8
Molecular formula
C44H66O4
UNII
RRK47DEG6Q
InChIKey
DBESHHFMIFSNRV-RJYQSXAYSA-N
InChI
InChI=1S/C44H66O4/c1-32(2)18-12-19-33(3)20-13-21-34(4)22-14-23-35(5)24-15-25-36(6)26-16-27-37(7)28-17-29-38(8)30-31-40-39(9)41(45)43(47-10)44(48-11)42(40)46/h18,20,22,24,26,28,30H,12-17,19,21,23,25,27,29,31H2,1-11H3/b33-20+,34-22+,35-24+,36-26+,37-28+,38-30+
Canonical SMILES
COC1=C(OC)C(=O)C(CC=C(C)CCC=C(C)CCC=C(C)CCC=C(C)CCC=C(C)CCC=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)/CC/C=C(\C)/CC/C=C(\C)/CC/C=C(\C)/CC/C=C(\C)/CC/C=C(\C)/CCC=C(C)C

Synonyms

  • Ubiquinone 7
  • Ubiquinone Q7
  • Ubiquinone 35
  • Ubiquinone-7
  • 2-[(2E,6E,10E,14E,18E,22E)-3,7,11,15,19,23,27-heptamethyloctacosa-2,6,10,14,18,22,26-heptaen-1-yl]-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione
  • 2,5-Cyclohexadiene-1,4-dione, 2-((2E,6E,10E,14E,18E,22E)-3,7,11,15,19,23,27-heptamethyl-2,6,10,14,18,22,26-octacosaheptaenyl)-5,6-dimethoxy-3-methyl-
  • 2-((2E,6E,10E,14E,18E,22E)-3,7,11,15,19,23,27-Heptamethyloctacosa-2,6,10,14,18,22,26-heptaen-1-yl)-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione
  • 2-[(2E,6E,10E,14E,18E,22E)-3,7,11,15,19,23,27-heptamethyloctacosa-2,6,10,14,18,22,26-heptaenyl]-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione
  • 2-((2E,6E,10E,14E,18E,22E)-3,7,11,15,19,23,27-heptamethyloctacosa-2,6,10,14,18,22,26-heptaenyl)-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione
  • 2,3-dimethoxy-5-methyl-6-heptaprenyl-1,4-benzoquinone
  • trans-Coenzyme Q7
  • (all-E)-2-(3,7,11,15,19,23,27-heptamethyl-2,6,10,14,18,22,26-octacosaheptenyl)-5,6-dimethoxy-3-methyl-2,5-cyclohexadiene-1,4-dione
  • 2-((2E,6E,10E,14E,18E,22E)-3,7,11,15,19,23,27-heptamethyl-2,6,10,14,18,22,26-octacosaheptaenyl)-5,6-dimethoxy-3-methyl-2,5-cyclohexadiene-1,4-dione
  • 2-[(2E,6E,10E,14E,18E,22E)-3,7,11,15,19,23,27-heptamethyloctacosa-2,6,10,14,18,22,26-heptaen-1-yl]-5,6-dimethoxy-3-methyl-1,4-benzoquinone
  • coenzyme-Q7
  • ubiquinone(7)
  • Ubidecarenone EP Impurity B
  • 4-08-00-03295 (Beilstein Handbook Reference)
  • 2,5-Cyclohexadiene-1,4-dione, 2-(3,7,11,15,19,23,27-heptamethyl-2,6,10,14,18,22,26-octacosaheptenyl)-5,6-dimethoxy-3-methyl-, (all-E)-
  • Ubidecarenone (Coenzyme Q10) EP Impurity B
  • Ubidecarenone impurity b
  • 2-(3,7,11,15,19,23,27-heptamethyloctacosa-2,6,10,14,18,22,26-heptaenyl)-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione

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
659.01 g/molcalc.
Exact mass
658.4961 Dacalc.
LogP (octanol/water)
12.67calc.
Topological polar surface area
52.6 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
22calc.
Heavy atoms
48calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.55calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Fails (2 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 Q7 suppliers

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Coenzyme Q7 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

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 Q7 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 Q7 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Coenzyme Q7, based on the data on this page

What is Coenzyme Q7?

Ubiquinone-7 is a compound whose structure comprises a 2,3-dimethoxy-5-methylbenzoquinone nucleus, common to ubiquinones, and a side chain of seven isoprenoid units.

What is the CAS number of Coenzyme Q7?

The CAS registry number of Coenzyme Q7 is 303-95-7. Other or deprecated CAS numbers: 25222-34-8.

What is the molecular formula and weight of Coenzyme Q7?

The molecular formula of Coenzyme Q7 is C44H66O4 and its molar mass is 659.01 g/mol.

Is Coenzyme Q7 hazardous?

No GHS hazard classification for Coenzyme Q7 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 Q7?

Coenzyme Q7 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 Q7?

Post a free request on CompoundList and suppliers of Coenzyme Q7 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Coenzyme Q7?

Suppliers quote Coenzyme Q7 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 Coenzyme Q7

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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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