Coenzyme Q9

Catalog No. Size PriceQuantity
M12431-2 2mg solid $240
M12431-10 10mg solid $900


Coenzyme Q9 (Ubiquinone Q9), the major form of ubiquinone in rodents, is an amphipathic molecular component of the electron transport chain that functions as an endogenous antioxidant. Coenzyme Q9 attenuates the diabetes-induced decreases in antioxidant defense mechanisms. Coenzyme Q9 improves left ventricular performance and reduces myocardial infarct size and cardiomyocyte apoptosis.

Product information

CAS Number: 303-97-9

Molecular Weight: 795.23

Formula: C54H82O4


Ubiquinone Q9


Ubiquinone 9

Chemical Name: 2, 3-dimethoxy-5-methyl-6-[(2E, 6E, 10E, 14E, 18E, 22E, 26E, 30E)-3, 7, 11, 15, 19, 23, 27, 31, 35-nonamethylhexatriaconta-2, 6, 10, 14, 18, 22, 26, 30, 34-nonaen-1-yl]cyclohexa-2, 5-diene-1, 4-dione

Smiles: CC(C)=CCC/C(/C)=C/CC/C(/C)=C/CC/C(/C)=C/CC/C(/C)=C/CC/C(/C)=C/CC/C(/C)=C/CC/C(/C)=C/CC/C(/C)=C/CC1C(=O)C(OC)=C(OC)C(=O)C=1C


InChi: InChI=1S/C54H82O4/c1-40(2)22-14-23-41(3)24-15-25-42(4)26-16-27-43(5)28-17-29-44(6)30-18-31-45(7)32-19-33-46(8)34-20-35-47(9)36-21-37-48(10)38-39-50-49(11)51(55)53(57-12)54(58-13)52(50)56/h22,24,26,28,30,32,34,36,38H,14-21,23,25,27,29,31,33,35,37,39H2,1-13H3/b41-24+,42-26+,43-28+,44-30+,45-32+,46-34+,47-36+,48-38+

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: Ethanol : 33.33 mg/mL (41.91 mM; Need ultrasonic) DMSO : 5 mg/mL (6.29 mM; Need ultrasonic)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥360 days if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200

How to use

In Vivo:

Coenzyme Q9 (5 mg/kg; p.o.; once a day for 4 weeks) reduces myocardial ischemia/reperfusion injury. CoQ10 and CoQ9 are components of themitochondrial respiratory chain in mammals and can regulate some mitochondrial proteins/functions. Soybean, corn, and rapeseed oils are very rich sources of CoQ10, whereas CoQ9 has been found in high concentrations in corn oil. The lack of a functional CoQ9 protein in homozygous CoQ9 mutant (CoQ9(X/X)) mice causes a severe reduction in the CoQ7 protein and a widespread CoQ deficiency and accumulation of demethoxyubiquinone. The deficit in CoQ induces a brain-specific impairment of mitochondrial bioenergetics performance, a reduction in respiratory control ratio, ATP levels and ATP/ADP ratio and specific loss of respiratory complex I. These effects lead to neuronal death and demyelinization with severe vacuolization and astrogliosis in the brain of CoQ9 (X/X) mice that consequently die between 3 and 6 months of age.


  1. Wold LE, et al. Insulin-like growth factor I (IGF-1) supplementation prevents diabetes-induced alterations in coenzymes Q9 and Q10. Acta Diabetol. 2003;40(2):85-90.
  2. Lekli I, et al. Coenzyme Q9 provides cardioprotection after converting into coenzyme Q10. J Agric Food Chem. 2008 Jul 9;56(13):5331-7.
  3. Venegas C, et al. Determination of coenzyme Q10, coenzyme Q9, and melatonin contents in virgin argan oils: comparison with other edible vegetable oils. J Agric Food Chem. 2011 Nov 23;59(22):12102-8.
  4. García-Corzo L, et al. Dysfunctional Coq9 protein causes predominant encephalomyopathy associated with CoQ deficiency. Hum Mol Genet. 2013 Mar 15;22(6):1233-48.

Products are for research use only. Not for human use.

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