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Product Name: Neomycin Sulfate

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CAS No: 1405-10-3

Melecular Formula: C23H48N6O17S

Molecular Weight: 712.7222


Chemical Structure:


Certificate of Analysis

Product Name

Neomycin  Sulphate

REFERENCE

USP38

Shelf Life

3 years

TEST

SPECIFICATION  

RESULTS

1. Characters

White or yellowish-white powder. Odorless or almost. Hygroscopic.


Complies


2.Identification

a)TLC: The  RRT of the main peak of sample solution  Should be the same as the RRT of the main peak of The  main   standard  solution


Complies

b)Color reaction to p-bromoaniline: a vivid pink-red color develop.

Complies

c)Test sulphate: It gives reaction of sulphate.

Complies

3.PH

5.0~7.5

5.9

4.Loss on drying

≤8.0﹪

4.7﹪

5. Assay

≥600ug/mg (DRY)

671.6ug/mg
640.0ug/mg

Conclusion: The product meets the requirements of USP38

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