Difference between related substances & impurities

Question Posted / mani

2 Answers
18266 Views
Biocon, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

Difference between related substances & impurities..

Answer / b.gangatharan

Related substance means some process related compounds or by products and degradation compounds which are unwanted one produced during the manufacturing process of API products.if the related substance is very high means the reaction is not completed properly.the structure and properties of related substance partialy identical with main product.
Impurities means some unwanted substances produced due to contamination during manufacturing process.moreover the structure and properties of impurity will be completely different from the main product.

THANKS&REGARDS,
B.GANGATHARAN,
CHENNAI.

Is This Answer Correct ?

15 Yes

5 No

Difference between related substances & impurities..

Answer / pavana

Related compounds encompass all process-related substances as well as degradants that may be formed. Hence, impurities are a subset of related compounds. That is, all impurities are related compounds but not all related compounds are impurities.

Is This Answer Correct ?

2 Yes

1 No

Post New Answer

More Analytical Chemistry Interview Questions

Do you have experience with organic extractions or tissue digestions?

1 Answers GVK Biosciences,

Is it required to inject 6 injections for % RSD of a system suitability in lc or gc

3 Answers Raks Pharma,

How can we calibrate the burette dispencing capacity in metrorm kf titration calibration

1 Answers

how many types oos and oot

1 Answers

In pharmacopeal solibility parameter of a material, is et essential to test all paramete? If 70-75% parameter passes can we assess that the material is satisfactory or not?

1 Answers Aurobindo,

formula for %RSD.

4 Answers Laurus,

What is the function of end capped column?

5 Answers Cipla,

why 0.005 M sulphuric acid is used to calbrate spectrophotometer and why caffiene is used for calibrating hplc

2 Answers GVK, Torrent Pharma,

HOW RRF IS CALCULATED IN HPLC

2 Answers

How long we can use hygroscopic reference standard in terms of water absorb.I mean in line with respective monograph's specification or more than that?

1 Answers

Why KBR is used in IR for preparation of pellete, why it shows zero dipole moment

7 Answers GVK,

[3/30, 13:29] Manoj P Venkatpurwar: How hplc column selection according to structure? How mobile phase buffer selection on molecule structure?

0 Answers

For more Analytical Chemistry Interview Questions Click Here