Visible Spectrophotometric Method Development and Validation of Imatinib in Bulk and Formulation

Kumbhar, Smita; Matole, Vinod; Thorat, Yogesh; Shegaonkar, Anita; Hosmani, Avinash H.

doi:10.22159/ijcpr.2020v12i2.37491

Cited by 1 publication

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“…Reviewing the mobile phase systems used in the previously published TLC-densitometric methods which were developed for the determination of either HCZ with other drugs [ 34 – 40 ], HCZ with its impurities [ 41 – 43 ], or CPL in combination with other drugs [ 44 – 46 ], it was found that, in most manuscripts, methanol was used in combination with either ethyl acetate or chloroform. Chloroform was excluded for its toxic effect.…”

Section: Resultsmentioning

confidence: 99%

AQbD TLC-densitometric method approach along with green fingerprint and whiteness assessment for quantifying two combined antihypertensive agents and their impurities

Nagieb,

Abdelwahab,

Abdelrahman

et al. 2024

BMC Chemistry

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Preserving the environment, reducing the amount of waste resulting from chemical trials, and reducing the amount of energy consumed have currently become a pivotal global trend. An analytical quality by design (AQbD) based eco-friendly TLC-densitometric method was implemented for quantifying two antihypertensive agents, captopril (CPL) and hydrochlorothiazide (HCZ), along with their impurities; captopril disulphide (CDS), chlorothiazide (CTZ) and salamide (SMD). The analytical target profile (ATP) was first identified, followed by selecting the critical analytical attributes (CAAs), such as retardation factors and resolution between the separated peaks. Critical method parameters (CMPs) that may have a crucial influence on CAAs were identified and emanated through the quality risk assessment phase. A literature survey-based preliminary studies were performed, followed by optimization of the selected CMPs through a custom experimental design to attain the highest resolution with optimum retardation factors. Moreover, method robustness was also tested by testing the design space. Complete separation of the drugs and their impurities was achieved using ethyl acetate: glacial acetic acid (6: 0.6, v/v) as a developing system applied to a 12 cm length TLC plate at room temperature with UV scanning at 215 nm. Calibration graphs were found to be linear in the ranges of (0.70–6.00), (0.10–2.00), (0.20–1.00), (0.07–1.50) and (0.05–1.00) µg/band corresponding to CPL, HCZ, CDS, CTZ, and SMD, respectively. Four different green metric tools were used to evaluate the greenness profile of the proposed method, and results showed that it is greener than the reported HPLC method. Method whiteness assessment was also conducted. Moreover, the method performance was evaluated following the ICH guidelines, and the outcomes fell within the acceptable limits. The developed method could be approved for routine assay of the cited components in their pharmaceutical formulations and bulk powder without interference from the reported impurities. The issue of concern is saving money, especially in developing countries.

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