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Pharmaceutical impurity

Iopromide EP Impurity D

Iopromide EP Impurity D is listed in the pharmaceutical impurity collection under CAS 154361-55-4. Its represented structure has formula C36H46I6N6O15 and a calculated molecular weight of 1564.21 g/mol.

2D chemical structure

O O N H I O N H O H N O O I O H N H O O H I O N O H O H I I O N H O H O I

Chemical identity

Catalog name
Iopromide EP Impurity D
Common name
Iopromide EP Impurity D
Chemical name
3-N-(2,3-dihydroxypropyl)-1-N-[3-[3-(2,3-dihydroxypropylcarbamoyl)-5-[2,3-dihydroxypropyl(methyl)carbamoyl]-2,4,6-triiodo-N-(2-methoxyacetyl)anilino]-2-hydroxypropyl]-2,4,6-triiodo-5-[(2-methoxyacetyl)amino]-3-N-methylbenzene-1,3-dicarboxam...
CAS
154361-55-4
SMILES
COCC(=O)Nc1c(I)c(C(=O)NCC(O)CN(C(=O)COC)c2c(I)c(C(=O)NCC(O)CO)c(I)c(C(=O)N(C)CC(O)CO)c2I)c(I)c(C(=O)N(C)CC(O)CO)c1I
InChI
InChI=1S/C36H46I6N6O15/c1-46(7-17(54)11-50)35(60)23-25(37)21(27(39)31(28(23)40)45-19(56)13-62-3)33(58)43-5-15(52)9-48(20(57)14-63-4)32-29(41)22(34(59)44-6-16(53)10-49)26(38)24(30(32)42)36(61)47(2)8-18(55)12-51/h15-18,49-55H,5-14H2,1-4H3,(H,43,58)(H,44,59)(H,45,56)
InChIKey
CCOVRILMXVGFDS-UHFFFAOYSA-N
Associated API
Iopromide

Record ID: A04366e64ad6f

Computed properties

C36H46I6N6O15 Molecular formula
1,564.215 g/molMolecular weight
1,563.729 DaMonoisotopic exact mass
308.3 ŲTopological polar surface area
-0.3972 Calculated LogP (Wildman–Crippen)
277.7927 cm³/molMolar refractivity (Wildman–Crippen)
15 countHydrogen-bond acceptors
10 countHydrogen-bond donors

Descriptors are calculated from the displayed SMILES. Calculated LogP is not a measured partition coefficient or a pH-specific LogD. 4 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 8 16 24 Count H-bond acceptors H-bond donors Rotatable bonds Rings Aromatic rings Stereo centers

Element composition

C H I N O 0 10 20 30 40 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 weight1,564.21599.85
Calculated LogP (Wildman–Crippen)-0.397211.02
Topological polar surface area308.398.65
Hydrogen-bond acceptors1598.18
Hydrogen-bond donors1098.83
Rotatable bonds (strict)2399.10

Complete molecular descriptors

PropertyCalculated valueUnit / type
Molecular formulaC36H46I6N6O15dimensionless
Molecular weight1,564.215g/mol
Monoisotopic exact mass1,563.729Da
Topological polar surface area308.3Ų
Calculated LogP (Wildman–Crippen)-0.3972dimensionless
Molar refractivity (Wildman–Crippen)277.7927cm³/mol
Hydrogen-bond acceptors15count
Hydrogen-bond donors10count
Rotatable bonds (strict)23count
Heavy atoms63count
Heteroatoms27count
Rings2count
Aromatic rings2count
Aliphatic rings0count
Saturated rings0count
Aromatic heterocycles0count
Aliphatic heterocycles0count
Saturated heterocycles0count
Aromatic carbocycles2count
Aliphatic carbocycles0count
Fraction of sp³ carbon atoms0.5fraction
Formal charge0e
Disconnected components1count
Isotopically specified atoms0count
Potential atom stereocenters4count
Unspecified atom stereocenters4count
Spiro atoms0count
Bridgehead atoms0count
Labute approximate surface area443.5031Ų
Valence electrons352count
Radical electrons0count
Bertz complexity2,018.1793index
Balaban J2.7448index

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 Iopromide EP Impurity D

Qualification and safety assessment of Iopromide EP Impurity D

Explore toxicological qualification of Iopromide EP Impurity D and ICH M7 mutagenic impurity assessment of Iopromide EP Impurity D for evaluation of this impurity in its pharmaceutical context.

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