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Pharmaceutical impurity

Coenzyme Q10 (Ubidecarenone)

Coenzyme Q10 (Ubidecarenone) is listed in the pharmaceutical impurity collection under CAS 303-98-0. Its represented structure has formula C59H90O4 and a calculated molecular weight of 863.37 g/mol.

2D chemical structure

O O O O ( E ) ( E ) ( E ) ( E ) ( E ) ( E ) ( E ) ( E ) ( E )

Chemical identity

Catalog name
Coenzyme Q10 (Ubidecarenone)
Common name
Coenzyme Q10 (Ubidecarenone)
Chemical name
2-[(2E,6E,10E,14E,18E,22E,26E,30E,34E)-3,7,11,15,19,23,27,31,35,39-decamethyltetraconta-2,6,10,14,18,22,26,30,34,38-decaenyl]-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione
CAS
303-98-0
SMILES
COC1=C(OC)C(=O)C(C/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)CC/C=C(\C)CCC=C(C)C)=C(C)C1=O
InChI
InChI=1S/C59H90O4/c1-44(2)24-15-25-45(3)26-16-27-46(4)28-17-29-47(5)30-18-31-48(6)32-19-33-49(7)34-20-35-50(8)36-21-37-51(9)38-22-39-52(10)40-23-41-53(11)42-43-55-54(12)56(60)58(62-13)59(63-14)57(55)61/h24,26,28,30,32,34,36,38,40,42H,15-23,25,27,29,31,33,35,37,39,41,43H2,1-14H3/b45-26+,46-28+,47-30+,48-32+,49-34+,50-36+,51-38+,52-40+,53-42+
InChIKey
ACTIUHUUMQJHFO-UPTCCGCDSA-N

Record ID: A71d341261723

Computed properties

C59H90O4 Molecular formula
863.365 g/molMolecular weight
862.6839 DaMonoisotopic exact mass
52.6 ŲTopological polar surface area
17.8539 Calculated LogP (Wildman–Crippen)
274.725 cm³/molMolar refractivity (Wildman–Crippen)
4 countHydrogen-bond acceptors
0 countHydrogen-bond donors

Descriptors are calculated from the displayed SMILES. Calculated LogP is not a measured partition coefficient or a pH-specific LogD.

Molecular descriptor profile

Descriptor radar

Mol. weight LogP TPSA HBA HBD Rotatable 25 50 75 100

Structural feature counts

0 10 20 30 Count H-bond acceptors H-bond donors Rotatable bonds Rings Aromatic rings Stereo centers

Element composition

C H O 0 20 40 60 80 Number of atoms

Radar scale: 0–100 percentile within 25,771 distinct represented structures in this release, using the midpoint rank for ties. Larger values indicate a higher descriptor rank, not greater safety or toxicity. Element counts include hydrogen and combine isotopes under each element.

Radar values and percentile reference
DescriptorValuePercentile
Molecular weight863.36597.73
Calculated LogP (Wildman–Crippen)17.853999.93
Topological polar surface area52.633.89
Hydrogen-bond acceptors450.68
Hydrogen-bond donors011.28
Rotatable bonds (strict)3199.62

Complete molecular descriptors

PropertyCalculated valueUnit / type
Molecular formulaC59H90O4dimensionless
Molecular weight863.365g/mol
Monoisotopic exact mass862.6839Da
Topological polar surface area52.6Ų
Calculated LogP (Wildman–Crippen)17.8539dimensionless
Molar refractivity (Wildman–Crippen)274.725cm³/mol
Hydrogen-bond acceptors4count
Hydrogen-bond donors0count
Rotatable bonds (strict)31count
Heavy atoms63count
Heteroatoms4count
Rings1count
Aromatic rings0count
Aliphatic rings1count
Saturated rings0count
Aromatic heterocycles0count
Aliphatic heterocycles0count
Saturated heterocycles0count
Aromatic carbocycles0count
Aliphatic carbocycles1count
Fraction of sp³ carbon atoms0.5593fraction
Formal charge0e
Disconnected components1count
Isotopically specified atoms0count
Potential atom stereocenters0count
Unspecified atom stereocenters0count
Spiro atoms0count
Bridgehead atoms0count
Labute approximate surface area387.175Ų
Valence electrons350count
Radical electrons0count
Bertz complexity1,844.2329index
Balaban J2.3059index

Ring categories overlap and should not be summed. No toxicity result, PDE, HBEL or acceptable intake is inferred from these descriptors.

Toxicological services and resources for Coenzyme Q10 (Ubidecarenone)

Qualification and safety assessment of Coenzyme Q10 (Ubidecarenone)

Explore toxicological qualification of Coenzyme Q10 (Ubidecarenone) and ICH M7 mutagenic impurity assessment of Coenzyme Q10 (Ubidecarenone) for evaluation of this impurity in its pharmaceutical context.

Where data gaps need to be addressed, resources include read-across assessment for Coenzyme Q10 (Ubidecarenone) and acceptable intake and limit justification for Coenzyme Q10 (Ubidecarenone). The relevant approach depends on the available evidence, exposure and duration of use.

Related Altox services and technical resources

Other catalogue designations with the same represented structure

These are separate catalogue entries; shared structure does not establish interchangeable pharmacopoeial designations.

Identity sources and calculation method

Identifiers originate from the source catalogues and available public identity records. InChI and InChIKey on this page are generated from the displayed SMILES. RDKit validation checks the molecular representation; it does not independently verify every catalogue assignment.

Discuss an assessment for Coenzyme Q10 (Ubidecarenone)

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