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Pharmaceutical impurity

Zanamivir Impurity 10

Zanamivir Impurity 10 is listed in the pharmaceutical impurity collection under CAS 130525-58-5. Its represented structure has formula C18H24N4O10 and a calculated molecular weight of 456.41 g/mol.

2D chemical structure

O O N N + N - H N O O O O O O O O ( S ) ( R ) ( R ) ( S ) ( R )

Chemical identity

Catalog name
Zanamivir Impurity 10
Common name
Zanamivir Impurity 10
Chemical name
methyl (2R,3R,4S)-3-acetamido-4-azido-2-[(1S,2R)-1,2,3-triacetyloxypropyl]-3,4-dihydro-2H-pyran-6-carboxylate
CAS
130525-58-5
SMILES
COC(=O)C1=C[C@H](N=[N+]=[N-])[C@@H](NC(C)=O)[C@H]([C@H](OC(C)=O)[C@@H](COC(C)=O)OC(C)=O)O1
InChI
InChI=1S/C18H24N4O10/c1-8(23)20-15-12(21-22-19)6-13(18(27)28-5)32-17(15)16(31-11(4)26)14(30-10(3)25)7-29-9(2)24/h6,12,14-17H,7H2,1-5H3,(H,20,23)/t12-,14+,15+,16+,17+/m0/s1
InChIKey
ANKWFOHGBMGGAL-IIHMKKKESA-N
Associated API
Zanamivir

Record ID: Ae9f0cf86f0c6

Computed properties

C18H24N4O10 Molecular formula
456.408 g/molMolecular weight
456.1492 DaMonoisotopic exact mass
192.29 ŲTopological polar surface area
0.0522 Calculated LogP (Wildman–Crippen)
103.2517 cm³/molMolar refractivity (Wildman–Crippen)
11 countHydrogen-bond acceptors
1 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 4 8 12 Count H-bond acceptors H-bond donors Rotatable bonds Rings Aromatic rings Stereo centers

Element composition

C H N O 0 6 12 18 24 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 weight456.40879.79
Calculated LogP (Wildman–Crippen)0.052214.55
Topological polar surface area192.2994.62
Hydrogen-bond acceptors1194.67
Hydrogen-bond donors138.08
Rotatable bonds (strict)986.25

Complete molecular descriptors

PropertyCalculated valueUnit / type
Molecular formulaC18H24N4O10dimensionless
Molecular weight456.408g/mol
Monoisotopic exact mass456.1492Da
Topological polar surface area192.29Ų
Calculated LogP (Wildman–Crippen)0.0522dimensionless
Molar refractivity (Wildman–Crippen)103.2517cm³/mol
Hydrogen-bond acceptors11count
Hydrogen-bond donors1count
Rotatable bonds (strict)9count
Heavy atoms32count
Heteroatoms14count
Rings1count
Aromatic rings0count
Aliphatic rings1count
Saturated rings0count
Aromatic heterocycles0count
Aliphatic heterocycles1count
Saturated heterocycles0count
Aromatic carbocycles0count
Aliphatic carbocycles0count
Fraction of sp³ carbon atoms0.6111fraction
Formal charge0e
Disconnected components1count
Isotopically specified atoms0count
Potential atom stereocenters5count
Unspecified atom stereocenters0count
Spiro atoms0count
Bridgehead atoms0count
Labute approximate surface area182.3068Ų
Valence electrons176count
Radical electrons0count
Bertz complexity835.617index
Balaban J3.5735index

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 Zanamivir Impurity 10

Qualification and safety assessment of Zanamivir Impurity 10

Explore toxicological qualification of Zanamivir Impurity 10 and ICH M7 mutagenic impurity assessment of Zanamivir Impurity 10 for evaluation of this impurity in its pharmaceutical context.

Where data gaps need to be addressed, resources include read-across assessment for Zanamivir Impurity 10 and acceptable intake and limit justification for Zanamivir Impurity 10. 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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