Spectrophotometric Determination of Cycloserine with 9-methoxyacridine (cas 10228-90-7)

Add time:07/23/2019    Source:sciencedirect.com

Spectrophotometric assay for cycloserine based on the interaction of the drug with 9-methoxyacridine as a chromogenic agent is described. The highly colored substituted acridine product was identified as 9-(d-4-imino-3-isoxazolidinone)acridine. Color development was affected by time and temperature of heating and by the quantity of 9-methoxyacridine reagent utilized. The absorbance at 438 nm is linearly proportional to concentrations of cycloserine with a detection limit of 0.3 μg/mL. The optimum range for the assay of cycloserine was from 5.0 × 10−6to 3.0 × 10−4 M (correlation coefficient = 0.9999, n = 6). When applied to cycloserine capsules labeled to contain 250 mg, the proposed method gave mean recoveries of 101.84 ± 0.48%. The procedure is sufficiently sensitive, precise, and accurate for the determination of cycloserine in its dosage form.

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