shanxiyuhong(expird)
Free supplier Enterprise Certification
- Free
supplier - 3rd
years
Free supplier Enterprise Certification
Business Type:Trading Company
Product Certification&
Enterprise Certification
Country: 
China (Mainland)
Business Type:Trading Company
CAS NO.616-91-1
|
product name |
nac |
|
brand name |
chenming |
|
country of origin |
china |
|
manufacturer |
luojiang chenming biological co.,ltd |
|
appearance |
white crystals or crystalline powder |
|
cas no. |
616-91-1 |
|
purity |
98% |
|
grade standard |
feed grade,food grade,medicine |
|
type |
vitamins, amino acids and coenzymes |
|
usage |
pharmaceutical intermediates/ingredient/raw material |
|
mf |
c5h9no3s |
|
certificate |
aji;usp;ep;coa; iso |
|
shelf life |
24 months |
|
n-acetyl-l-cysteine
certificate of analysis |
||
|
test items: |
specification: |
results: |
|
identification： |
infrared absorption |
conforms |
|
specific rotation[a]d20° ： |
+21°～+27° |
+23° |
|
iron(fe)： |
≤15ppm |
6ppm |
|
heavy metals(pb) ： |
≤10ppm |
3ppm |
|
loss on drying： |
≤1.0% |
0.50% |
|
organic volatile impurities： |
meets the requirements |
conforms |
|
residue on ignition ： |
≤0.50% |
0.30% |
|
residual solvents： |
meets the requirements |
conforms |
|
assay： |
98.0～102.0% |
99.3% |
|
ph ： |
2.0～2.8 |
2.50 |
|
particle size： |
≥95%pass 20 mesh |
conforms |
|
characteristics: |
white crystalline powder or colorless crystalls,freely soluble in water and in alcohol,practically insoluble in methylene chloride |
|
|
storage: |
preserve in well-closed containers, at controlled room temperature |
|