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Pharmaceutical impurity

Pravastatin Isopropyl Ester

Pravastatin Isopropyl Ester is listed in the pharmaceutical impurity collection under CAS 2732719-88-7. Its represented structure has formula C26H42O7 and a calculated molecular weight of 466.62 g/mol.

2D chemical structure

O O O H O H O H O O H ( S ) ( S ) ( S ) ( R ) ( S ) ( R ) ( R ) ( R )

Chemical identity

Catalog name
Pravastatin Isopropyl Ester
Common name
Pravastatin Isopropyl Ester
Chemical name
propan-2-yl (3R,5R)-7-[(1S,2S,6S,8S,8aR)-6-hydroxy-2-methyl-8-[(2S)-2-methylbutanoyl]oxy-1,2,6,7,8,8a-hexahydronaphthalen-1-yl]-3,5-dihydroxyheptanoate
CAS
2732719-88-7
SMILES
CC[C@H](C)C(=O)O[C@H]1C[C@H](O)C=C2C=C[C@H](C)[C@H](CC[C@@H](O)C[C@@H](O)CC(=O)OC(C)C)[C@H]21
InChI
InChI=1S/C26H42O7/c1-6-16(4)26(31)33-23-13-20(28)11-18-8-7-17(5)22(25(18)23)10-9-19(27)12-21(29)14-24(30)32-15(2)3/h7-8,11,15-17,19-23,25,27-29H,6,9-10,12-14H2,1-5H3/t16-,17-,19+,20+,21+,22-,23-,25-/m0/s1
InChIKey
VDJJUXKRQGVATK-SLFXFUJVSA-N

Record ID: Ae9c1e19fbbe4

Computed properties

C26H42O7 Molecular formula
466.615 g/molMolecular weight
466.2931 DaMonoisotopic exact mass
113.29 ŲTopological polar surface area
3.3074 Calculated LogP (Wildman–Crippen)
125.0354 cm³/molMolar refractivity (Wildman–Crippen)
7 countHydrogen-bond acceptors
3 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 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 weight466.61581.27
Calculated LogP (Wildman–Crippen)3.307467.47
Topological polar surface area113.2978.98
Hydrogen-bond acceptors783.12
Hydrogen-bond donors381.39
Rotatable bonds (strict)1191.78

Complete molecular descriptors

PropertyCalculated valueUnit / type
Molecular formulaC26H42O7dimensionless
Molecular weight466.615g/mol
Monoisotopic exact mass466.2931Da
Topological polar surface area113.29Ų
Calculated LogP (Wildman–Crippen)3.3074dimensionless
Molar refractivity (Wildman–Crippen)125.0354cm³/mol
Hydrogen-bond acceptors7count
Hydrogen-bond donors3count
Rotatable bonds (strict)11count
Heavy atoms33count
Heteroatoms7count
Rings2count
Aromatic rings0count
Aliphatic rings2count
Saturated rings0count
Aromatic heterocycles0count
Aliphatic heterocycles0count
Saturated heterocycles0count
Aromatic carbocycles0count
Aliphatic carbocycles2count
Fraction of sp³ carbon atoms0.7692fraction
Formal charge0e
Disconnected components1count
Isotopically specified atoms0count
Potential atom stereocenters8count
Unspecified atom stereocenters0count
Spiro atoms0count
Bridgehead atoms0count
Labute approximate surface area197.4048Ų
Valence electrons188count
Radical electrons0count
Bertz complexity713.429index
Balaban J2.0169index

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 Pravastatin Isopropyl Ester

Qualification and safety assessment of Pravastatin Isopropyl Ester

Explore toxicological qualification of Pravastatin Isopropyl Ester and ICH M7 mutagenic impurity assessment of Pravastatin Isopropyl Ester for evaluation of this impurity in its pharmaceutical context.

Where data gaps need to be addressed, resources include read-across assessment for Pravastatin Isopropyl Ester and acceptable intake and limit justification for Pravastatin Isopropyl Ester. 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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