Spectrophotometric Determination of Levetiracetam Using 2, 4-DNP and MBTH in Pharmaceutical Dosage Form
Keywords:
Spectrophotometric, Oxidative coupling, 2, 4-Dinitrophenyl hydrazine (2, 4-DNP), 3-Methyl-2- Benzthiazolinone hydrochloride (MBTH), Levetiracetam. Reliability, StatisticallyAbstract
Purpose
This study was aimed to evaluate the method of Spectrophotometric Determination of Levetiracetam Using 2, 4-DNP
and MBTH in Pharmaceutical Dosage Form.
Findings
Levetiracetam at its λmax 455 nm shows linearity in the concentration range of 30-130 µg mL-1. Second method is
based on reaction of oxidative coupling of levetiracetam with 3-Methyl-2-Benzthiazolinone hydrochloride (MBTH)
to form green colored product. Levetiracetam at its λmax 634 nm shows linearity in the concentration range of 20-
100 µg mL-1. The relative standard deviations for first method is 0.422% and for second method is 0.325% were
obtained.
Conclusion
The reliability and performance of the proposed methods was validated statistically the percentage recovery ranged
from 99.88 and 100.2 respectively. The results of analysis for the two methods have been validated statistically and
by recovery studies.
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