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Pharmaceutical impurity

Bisoprolol Impurity 51

Bisoprolol Impurity 51 is listed in the pharmaceutical impurity collection under CAS 313975-07-4. Its represented structure has formula C12H16O3 and a calculated molecular weight of 208.26 g/mol.

2D chemical structure

O O O

Chemical identity

Catalog name
Bisoprolol Impurity 51
Common name
Bisoprolol Impurity 51
Chemical name
4-(2-propan-2-yloxyethoxy)benzaldehyde
CAS
313975-07-4
SMILES
CC(C)OCCOc1ccc(C=O)cc1
InChI
InChI=1S/C12H16O3/c1-10(2)14-7-8-15-12-5-3-11(9-13)4-6-12/h3-6,9-10H,7-8H2,1-2H3
InChIKey
MJCHTSPLBKZSQD-UHFFFAOYSA-N
Associated API
Bisoprolol

Record ID: A35cfb7ad4931

Computed properties

C12H16O3 Molecular formula
208.257 g/molMolecular weight
208.1099 DaMonoisotopic exact mass
35.53 ŲTopological polar surface area
2.3029 Calculated LogP (Wildman–Crippen)
58.4125 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.

Molecular descriptor profile

Descriptor radar

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

Structural feature counts

0 2 4 6 Count H-bond acceptors H-bond donors Rotatable bonds Rings Aromatic rings Stereo centers

Element composition

C H O 0 4 8 12 16 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 weight208.25719.49
Calculated LogP (Wildman–Crippen)2.302948.31
Topological polar surface area35.5317.27
Hydrogen-bond acceptors333.13
Hydrogen-bond donors011.28
Rotatable bonds (strict)669.73

Complete molecular descriptors

PropertyCalculated valueUnit / type
Molecular formulaC12H16O3dimensionless
Molecular weight208.257g/mol
Monoisotopic exact mass208.1099Da
Topological polar surface area35.53Ų
Calculated LogP (Wildman–Crippen)2.3029dimensionless
Molar refractivity (Wildman–Crippen)58.4125cm³/mol
Hydrogen-bond acceptors3count
Hydrogen-bond donors0count
Rotatable bonds (strict)6count
Heavy atoms15count
Heteroatoms3count
Rings1count
Aromatic rings1count
Aliphatic rings0count
Saturated rings0count
Aromatic heterocycles0count
Aliphatic heterocycles0count
Saturated heterocycles0count
Aromatic carbocycles1count
Aliphatic carbocycles0count
Fraction of sp³ carbon atoms0.4167fraction
Formal charge0e
Disconnected components1count
Isotopically specified atoms0count
Potential atom stereocenters0count
Unspecified atom stereocenters0count
Spiro atoms0count
Bridgehead atoms0count
Labute approximate surface area90.0097Ų
Valence electrons82count
Radical electrons0count
Bertz complexity290.2405index
Balaban J2.2822index

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 Bisoprolol Impurity 51

Qualification and safety assessment of Bisoprolol Impurity 51

Explore toxicological qualification of Bisoprolol Impurity 51 and ICH M7 mutagenic impurity assessment of Bisoprolol Impurity 51 for evaluation of this impurity in its pharmaceutical context.

Where data gaps need to be addressed, resources include read-across assessment for Bisoprolol Impurity 51 and acceptable intake and limit justification for Bisoprolol Impurity 51. 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.

Discuss an assessment for Bisoprolol Impurity 51

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