Lapatinib Impurity 29 CAS 27329-70-0

Purity 97%+In StockPharmaceutical Standards
CAS No.27329-70-0
Molecular FormulaC5H5BO4
Molecular Weight139.90 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Lapatinib Impurity 29 CAS 27329-70-0 chemical structure

Description

The occurrence of Lapatinib Impurity 29 is closely related to a carbohydrate-derived structure in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

Lapatinib Impurity 29 (CAS 27329-70-0) is a high-purity analytical reference standard with the molecular formula C5H5BO4 and a molecular weight of 139.90 g/mol.

Owing to a carbohydrate-derived structure, Lapatinib Impurity 29 is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 139.90 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), Lapatinib Impurity 29 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC5H5BO4
Molecular Weight139.90 g/mol
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)3.5
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1964

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