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Pharmaceutical impurity

Olmesartan Medoxomil Impurity 35

Olmesartan Medoxomil Impurity 35 is listed in the pharmaceutical impurity collection under CAS 129482-56-0. Its represented structure has formula C5H6Cl2O3 and a calculated molecular weight of 185.01 g/mol.

2D chemical structure

C l O O O C l

Chemical identity

Catalog name
Olmesartan Medoxomil Impurity 35
Common name
Olmesartan Medoxomil Impurity 35
Chemical name
4,5-dichloro-4,5-dimethyl-1,3-dioxolan-2-one
CAS
129482-56-0
SMILES
CC1(Cl)OC(=O)OC1(C)Cl
InChI
InChI=1S/C5H6Cl2O3/c1-4(6)5(2,7)10-3(8)9-4/h1-2H3
InChIKey
CYWTZUGZRSAQEN-UHFFFAOYSA-N
Associated API
Olmesartan Medoxomil

Record ID: A5e48430b3ef2

Computed properties

C5H6Cl2O3 Molecular formula
185.006 g/molMolecular weight
183.9694 DaMonoisotopic exact mass
35.53 ŲTopological polar surface area
2.0632 Calculated LogP (Wildman–Crippen)
36.082 cm³/molMolar refractivity (Wildman–Crippen)
3 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. 2 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 1 2 3 Count H-bond acceptors H-bond donors Rotatable bonds Rings Aromatic rings Stereo centers

Element composition

C Cl H O 0 2 4 6 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 weight185.00613.55
Calculated LogP (Wildman–Crippen)2.063243.80
Topological polar surface area35.5317.27
Hydrogen-bond acceptors333.13
Hydrogen-bond donors011.28
Rotatable bonds (strict)03.45

Complete molecular descriptors

PropertyCalculated valueUnit / type
Molecular formulaC5H6Cl2O3dimensionless
Molecular weight185.006g/mol
Monoisotopic exact mass183.9694Da
Topological polar surface area35.53Ų
Calculated LogP (Wildman–Crippen)2.0632dimensionless
Molar refractivity (Wildman–Crippen)36.082cm³/mol
Hydrogen-bond acceptors3count
Hydrogen-bond donors0count
Rotatable bonds (strict)0count
Heavy atoms10count
Heteroatoms5count
Rings1count
Aromatic rings0count
Aliphatic rings1count
Saturated rings1count
Aromatic heterocycles0count
Aliphatic heterocycles1count
Saturated heterocycles1count
Aromatic carbocycles0count
Aliphatic carbocycles0count
Fraction of sp³ carbon atoms0.8fraction
Formal charge0e
Disconnected components1count
Isotopically specified atoms0count
Potential atom stereocenters2count
Unspecified atom stereocenters2count
Spiro atoms0count
Bridgehead atoms0count
Labute approximate surface area68.1883Ų
Valence electrons58count
Radical electrons0count
Bertz complexity157.7319index
Balaban J2.8807index

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 Olmesartan Medoxomil Impurity 35

Qualification and safety assessment of Olmesartan Medoxomil Impurity 35

Explore toxicological qualification of Olmesartan Medoxomil Impurity 35 and ICH M7 mutagenic impurity assessment of Olmesartan Medoxomil Impurity 35 for evaluation of this impurity in its pharmaceutical context.

Where data gaps need to be addressed, resources include read-across assessment for Olmesartan Medoxomil Impurity 35 and acceptable intake and limit justification for Olmesartan Medoxomil Impurity 35. 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.

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