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API & reference standards

Dofetilide-d4

Dofetilide-d4 is listed in the API and reference-standard collection under CAS 1189700-56-8. Its represented structure has formula C19H27N3O5S2 and a calculated molecular weight of 445.60 g/mol.

2D chemical structure

2 H 2 H O H N S O O 2 H 2 H N H N S O O

Chemical identity

Catalog name
Dofetilide-d4
Common name
Dofetilide-d4
Chemical name
Not available
CAS
1189700-56-8
SMILES
[2H]C([2H])(Oc1ccc(NS(C)(=O)=O)cc1)C([2H])([2H])N(C)CCc1ccc(NS(C)(=O)=O)cc1
InChI
InChI=1S/C19H27N3O5S2/c1-22(13-12-16-4-6-17(7-5-16)20-28(2,23)24)14-15-27-19-10-8-18(9-11-19)21-29(3,25)26/h4-11,20-21H,12-15H2,1-3H3/i14D2,15D2
InChIKey
IXTMWRCNAAVVAI-QZPARXMSSA-N
Associated API
Dofetilide

Record ID: A51cdb8080879

Computed properties

C19H27N3O5S2 Molecular formula
445.5994 g/molMolecular weight
445.1643 DaMonoisotopic exact mass
104.81 ŲTopological polar surface area
1.9829 Calculated LogP (Wildman–Crippen)
116.513 cm³/molMolar refractivity (Wildman–Crippen)
6 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. The structure contains 4 isotopically specified atoms.

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 S 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 weight445.599478.04
Calculated LogP (Wildman–Crippen)1.982942.35
Topological polar surface area104.8174.87
Hydrogen-bond acceptors675.83
Hydrogen-bond donors264.87
Rotatable bonds (strict)1191.78

Complete molecular descriptors

PropertyCalculated valueUnit / type
Molecular formulaC19H27N3O5S2dimensionless
Molecular weight445.5994g/mol
Monoisotopic exact mass445.1643Da
Topological polar surface area104.81Ų
Calculated LogP (Wildman–Crippen)1.9829dimensionless
Molar refractivity (Wildman–Crippen)116.513cm³/mol
Hydrogen-bond acceptors6count
Hydrogen-bond donors2count
Rotatable bonds (strict)11count
Heavy atoms29count
Heteroatoms10count
Rings2count
Aromatic rings2count
Aliphatic rings0count
Saturated rings0count
Aromatic heterocycles0count
Aliphatic heterocycles0count
Saturated heterocycles0count
Aromatic carbocycles2count
Aliphatic carbocycles0count
Fraction of sp³ carbon atoms0.3684fraction
Formal charge0e
Disconnected components1count
Isotopically specified atoms4count
Potential atom stereocenters0count
Unspecified atom stereocenters0count
Spiro atoms0count
Bridgehead atoms0count
Labute approximate surface area178.1576Ų
Valence electrons160count
Radical electrons0count
Bertz complexity1,156.9193index
Balaban J2.0101index

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 Dofetilide-d4

PDE, HBEL and impurity assessment for Dofetilide-d4

For a substance-specific assessment, request a PDE report for Dofetilide-d4 or explore HBEL derivation for Dofetilide-d4. These services address exposure limits using toxicological evidence and the intended use of the substance.

For pharmaceutical development, explore prediction of degradation products of Dofetilide-d4 and qualification of impurities related to Dofetilide-d4.

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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