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Product:N-Acetyl-L-cysteine
CAS Number:616-91-1
Quality Standard:98.50%
Package Kg/drum:25kg/fiber can
Place of orgin:CN
Order |
Detailed Introduction: |
616-91-1 1.n acetyl cysteine 2.CAS:616-91-1 3.EP6/GMP 4.Appearance:A white crystallin powder
5.COA and Specification:
TEST ITEMS |
SPECIFICATIONS |
RESULTS |
Appearance |
A white or almost white, crystalline powder |
Almost white
crystalline powder |
Identification (IR spectrum) |
Comparison: mycophenolate mofetil CRS |
Conform |
Appearance of solution |
Clear and colourless |
Conform |
Related substances (HPLC) |
Impurity F ≤0.5 % |
0.14 % |
Impurity B ≤0.2 % |
ND |
Impurity A,D,E,G,H ≤0.1% (each) |
ND |
Any other impurity ≤0.1% (each) |
ND |
Total ≤0.7 % |
0.14 % |
Heavy metals |
≤20 ppm |
Conform |
Loss on drying |
≤0.5 % |
0.02 % |
Sulphated ash |
≤0.1% |
0.06 % |
Assay (dried substance) |
98.0% ~ 102.0% |
99.2 % |
Residual solvents |
Xylene ≤ 2170 ppm |
Conform |
Ethyl acetate ≤5000 ppm |
Conform |
CONCLUSION |
CONFORM TO EP7 | |
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