Coenzyme Q9(Synonyms: 辅酶Q9; Ubiquinone Q9; CoQ9; Ubiquinone 9)


Coenzyme Q9 (Synonyms: 辅酶Q9; Ubiquinone Q9; CoQ9; Ubiquinone 9) 纯度: ≥98.0%

Coenzyme Q9 (Ubiquinone Q9) 是啮齿类动物泛醌的主要形式,是电子传递链中的一种双亲分子组分,具有内源性抗氧化剂的作用。Coenzyme Q9 可减轻糖尿病引起的抗氧化防御机制的下降。Coenzyme Q9 改善左心室功能,减少心肌梗死面积和心肌细胞凋亡。

Coenzyme Q9(Synonyms: 辅酶Q9; Ubiquinone Q9;  CoQ9;  Ubiquinone 9)

Coenzyme Q9 Chemical Structure

CAS No. : 303-97-9

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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[1][2].

IC50 & Target

Human Endogenous Metabolite


(In Vivo)

Coenzyme Q9 (5 mg/kg; p.o.; once a day for 4 weeks) reduces myocardial ischemia/reperfusion injury[2].
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[3].
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[4].

Shanghai Jinpan Biotech Co Ltd has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: Male Hartley guinea pigs of about 350-400 g body weight[2]
Dosage: 5 mg/kg of body weight
Administration: P.o.; once a day for 4 weeks
Result: Nutritional supplementation of CoQ9 can reduce myocardial ischemia/reperfusion injury to the same extent as CoQ10.










Room temperature in continental US; may vary elsewhere.

Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
In Vitro: 

Ethanol : 33.33 mg/mL (41.91 mM; Need ultrasonic)

DMSO : 2 mg/mL (2.51 mM; ultrasonic and warming and heat to 80°C)

浓度 溶剂体积 质量 1 mg 5 mg 10 mg
1 mM 1.2575 mL 6.2875 mL 12.5750 mL
5 mM 0.2515 mL 1.2575 mL 2.5150 mL
10 mM 0.1257 mL 0.6287 mL 1.2575 mL


储备液的保存方式和期限:-80°C, 6 months; -20°C, 1 month。-80°C 储存时,请在 6 个月内使用,-20°C 储存时,请在 1 个月内使用。

  • [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.