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Pharmaceutical impurity

Capsaicin (Zucapsaicin) Impurity 8

Capsaicin (Zucapsaicin) Impurity 8 is listed in the pharmaceutical impurity collection under CAS 71239-21-9. Its represented structure has formula C19H31NO3 and a calculated molecular weight of 321.46 g/mol.

2D chemical structure

O N H O H O

Chemical identity

Catalog name
Capsaicin (Zucapsaicin) Impurity 8
Common name
Capsaicin (Zucapsaicin) Impurity 8
Chemical name
N-[(4-hydroxy-3-methoxyphenyl)methyl]-8-methyldecanamide
CAS
71239-21-9
SMILES
CCC(C)CCCCCCC(=O)NCc1ccc(O)c(OC)c1
InChI
InChI=1S/C19H31NO3/c1-4-15(2)9-7-5-6-8-10-19(22)20-14-16-11-12-17(21)18(13-16)23-3/h11-13,15,21H,4-10,14H2,1-3H3,(H,20,22)
InChIKey
GOBFKCLUUUDTQE-UHFFFAOYSA-N
Associated API
Capsaicin (Zucapsaicin)

Record ID: A0720119797bc

Computed properties

C19H31NO3 Molecular formula
321.461 g/molMolecular weight
321.2304 DaMonoisotopic exact mass
58.56 ŲTopological polar surface area
4.4037 Calculated LogP (Wildman–Crippen)
93.6625 cm³/molMolar refractivity (Wildman–Crippen)
3 countHydrogen-bond acceptors
2 countHydrogen-bond donors

Descriptors are calculated from the displayed SMILES. Calculated LogP is not a measured partition coefficient or a pH-specific LogD. 1 potential atom stereocenters have unspecified configuration.

Molecular descriptor profile

Descriptor radar

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

Structural feature counts

0 4 8 12 Count H-bond acceptors H-bond donors Rotatable bonds Rings Aromatic rings Stereo centers

Element composition

C H N O 0 8 16 24 32 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 weight321.46150.62
Calculated LogP (Wildman–Crippen)4.403783.59
Topological polar surface area58.5639.31
Hydrogen-bond acceptors333.13
Hydrogen-bond donors264.87
Rotatable bonds (strict)1191.78

Complete molecular descriptors

PropertyCalculated valueUnit / type
Molecular formulaC19H31NO3dimensionless
Molecular weight321.461g/mol
Monoisotopic exact mass321.2304Da
Topological polar surface area58.56Ų
Calculated LogP (Wildman–Crippen)4.4037dimensionless
Molar refractivity (Wildman–Crippen)93.6625cm³/mol
Hydrogen-bond acceptors3count
Hydrogen-bond donors2count
Rotatable bonds (strict)11count
Heavy atoms23count
Heteroatoms4count
Rings1count
Aromatic rings1count
Aliphatic rings0count
Saturated rings0count
Aromatic heterocycles0count
Aliphatic heterocycles0count
Saturated heterocycles0count
Aromatic carbocycles1count
Aliphatic carbocycles0count
Fraction of sp³ carbon atoms0.6316fraction
Formal charge0e
Disconnected components1count
Isotopically specified atoms0count
Potential atom stereocenters1count
Unspecified atom stereocenters1count
Spiro atoms0count
Bridgehead atoms0count
Labute approximate surface area139.7948Ų
Valence electrons130count
Radical electrons0count
Bertz complexity473.6826index
Balaban J2.1482index

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 Capsaicin (Zucapsaicin) Impurity 8

Qualification and safety assessment of Capsaicin (Zucapsaicin) Impurity 8

Explore toxicological qualification of Capsaicin (Zucapsaicin) Impurity 8 and ICH M7 mutagenic impurity assessment of Capsaicin (Zucapsaicin) Impurity 8 for evaluation of this impurity in its pharmaceutical context.

Where data gaps need to be addressed, resources include read-across assessment for Capsaicin (Zucapsaicin) Impurity 8 and acceptable intake and limit justification for Capsaicin (Zucapsaicin) Impurity 8. The relevant approach depends on the available evidence, exposure and duration of use.

Related Altox services and technical resources

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.

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