A new drug substance found fail to meet specification for an unknown Impurity during stability study(Specific change),how would further proceed?

2 Answers  

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Why dissolution apparatus having 8 jars ?

5 Answers  

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what is analytical chemistry all about?

6 Answers   Dr Reddys,

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What is polymorphism?which type of compounds exhibits polymorphism?

2 Answers   Torrent Pharma,

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is a bonded water molecule in an organic material can be easlisy and accuractly determined by KF rather than LOD

2 Answers  

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which pharmacopeoia mentions that caffiene is used as a standard for HPLC calibration? which other standardscan be used for the same?

1 Answers   Hetero, Mylan,

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How to fix the sample conc. in Related substances test by HPLC?

0 Answers  

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why plane of polarized light rotated by opticaly active compunds?

1 Answers   Glenmark,

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Why sodium lamp is used as source of Polarimeter?

12 Answers   College School Exams Tests, Hetero, NCL, Zydus Cadila,

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how to prepare low ppm solution from high ppm solution ?

1 Answers  

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What is difference between oos

7 Answers   Gennex,

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is ther any guidline is available for limt of peak fronting.and what is the limt of peak fronting.

2 Answers  

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