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Pharmaceutical impurity

Beta Alanine Isopropyl Ester Hydrochloride

Beta Alanine Isopropyl Ester Hydrochloride is listed in the pharmaceutical impurity collection under CAS 51871-17-1. Its represented structure has formula C6H14ClNO2 and a calculated molecular weight of 167.64 g/mol.

2D chemical structure

O O N H 2 H C l

Chemical identity

Catalog name
Beta Alanine Isopropyl Ester Hydrochloride
Common name
Beta Alanine Isopropyl Ester Hydrochloride
Chemical name
propan-2-yl 3-aminopropanoate;hydrochloride
CAS
51871-17-1
SMILES
CC(C)OC(=O)CCN.Cl
InChI
InChI=1S/C6H13NO2.ClH/c1-5(2)9-6(8)3-4-7;/h5H,3-4,7H2,1-2H3;1H
InChIKey
ZFJJVRUMTOXLAG-UHFFFAOYSA-N
Associated API
Beta Alanine

Record ID: A81dd3a547d49

Computed properties

C6H14ClNO2 Molecular formula
167.636 g/molMolecular weight
167.0713 DaMonoisotopic exact mass
52.32 ŲTopological polar surface area
0.7086 Calculated LogP (Wildman–Crippen)
42.1474 cm³/molMolar refractivity (Wildman–Crippen)
3 countHydrogen-bond acceptors
1 countHydrogen-bond donors

Descriptors are calculated from the displayed SMILES. Calculated LogP is not a measured partition coefficient or a pH-specific LogD. The SMILES contains 2 disconnected components. Calculations retain all represented components.

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 N O 0 3 6 9 12 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 weight167.6369.65
Calculated LogP (Wildman–Crippen)0.708621.20
Topological polar surface area52.3233.15
Hydrogen-bond acceptors333.13
Hydrogen-bond donors138.08
Rotatable bonds (strict)337.08

Complete molecular descriptors

PropertyCalculated valueUnit / type
Molecular formulaC6H14ClNO2dimensionless
Molecular weight167.636g/mol
Monoisotopic exact mass167.0713Da
Topological polar surface area52.32Ų
Calculated LogP (Wildman–Crippen)0.7086dimensionless
Molar refractivity (Wildman–Crippen)42.1474cm³/mol
Hydrogen-bond acceptors3count
Hydrogen-bond donors1count
Rotatable bonds (strict)3count
Heavy atoms10count
Heteroatoms4count
Rings0count
Aromatic rings0count
Aliphatic rings0count
Saturated rings0count
Aromatic heterocycles0count
Aliphatic heterocycles0count
Saturated heterocycles0count
Aromatic carbocycles0count
Aliphatic carbocycles0count
Fraction of sp³ carbon atoms0.8333fraction
Formal charge0e
Disconnected components2count
Isotopically specified atoms0count
Potential atom stereocenters0count
Unspecified atom stereocenters0count
Spiro atoms0count
Bridgehead atoms0count
Labute approximate surface area67.332Ų
Valence electrons62count
Radical electrons0count
Bertz complexity95.7486index
Balaban J0index

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 Beta Alanine Isopropyl Ester Hydrochloride

Qualification and safety assessment of Beta Alanine Isopropyl Ester Hydrochloride

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

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

Discuss an assessment for Beta Alanine Isopropyl Ester Hydrochloride

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