How do you fix the known and unknown impurity limit for a drug substance?
Answers were Sorted based on User's Feedback
Answer / chakravarthy
The limits for a known impurity shall be fixed based on the
toxicology data of the impurity and the dosage of the drg
product, where as for the unknown impurity is based on the
dosage of the product.
| Is This Answer Correct ? | 26 Yes | 2 No |
Answer / haran
unknown inpurity leval in drug is fix by using ich
gidelines & fda gidelines
it is only to depending on human effecting leval in
dilution respectively also
so that all solvents classified as class-a,b,c depeding on
there poision effection to human
| Is This Answer Correct ? | 12 Yes | 2 No |
why use toline in resolution in uv calibration
How can I assign a retest date for solvents e.g. toluene, methanol, etc?
why we have to use only 900 ml buffer in dissolution apparatus ? what are the conditions that favours the selection of volume of buffer?
Difference between Change control and Deviation please give the answer elaborately
1 Answers Rakshit Drugs, Smilax,
What are the filing requirements for ANDA-USA, Europe, Brazil, South Africa, Japan and Emerging Markets
what are the best emulsifying agents used in o/w emulsion
What is the difference between Deviation and Out of Specification ?
what is factor?
concomitant administration of 6-mercaptopurine and which product results in severe bonemarrow suppression?
Explain photostability ?
what is dossiar ? How can I submit to the regulatory department ?
What is the role of buffers (ex: KH2PO4) in HPLC analysis,