Impurities within
the raw materials used to prepare active pharmaceutical ingredient (API) are a
severe cause for concern.
The entire
challenge lies in the quantification and detection of regioisomer
impurities.
Impurities should
be indentified at the earliest and gas chromatography area% method can be used
for the detection and quantization of impurities like 3-chloro-5-fluorophenol.
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