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Acetylcysteinum (N-Acetil L-Cistein) CAS No. 616-91-1

China Acetylcysteinum (N-Acetil L-Cistein) CAS No. 616-91-1, Find details about China 616-91-1, N-Acetil L-Cistein from Acetylcysteinum (N-Acetil L-Cistein) CAS No. 616-91-1

Model NO.
SAMREAL-0078
Trademark
samreal
Specification
cp; usp; AJI92
Origin
China
Model NO.
SAMREAL-0078
Trademark
samreal
Specification
cp; usp; AJI92
Origin
China

616-91-1 Acetylcysteine

TestSpecificationResult
CharacteristicA white or off white crystalline powderComplies
Melting Point 104ºC~110ºC107ºC~109ºC
Specific Rotation +21°~+27°+25.1°
Identification(1) Positive
(2) Positve
(3) Spectrum conforms to Reference Standard		Complies
Complies
Complies
Check  
pH1.5~2.51.8
Clarification and color of solutionClear and colorlessComplies
Related Substances  
L-cysteine≤0.5%≤0.1%
L-cystine≤0.5%not detected
Any other unspecified impurity≤0.5%0.1%
Total impurites≤1.0%0.2%
Loss on Drying≤1.0%0.05%
Residue on Ignition≤0.1%0.04%
Heavy Metals≤10ppm<10ppm
Chloroform≤0.006%not detected
Assay98.0% ~102.0%100.5%
Conclusion: this batch meets the specification of CP2015

616-91-1 N-Acetyl-L-cysteine

Item SpecificationResult
AppearanceWhite crystals or crystalline powder Conforms
Solubility (H2O, g/100g):17(20°),80(40°),260(60°) Conforms
Specific rotation[a]D20° +21.3°~+27.0°+24.0°
State of solution≥98.0%98.5%
Chloride(Cl)≤0.04%0.02%
Ammonium(NH4) ≤0.02%0.01%
Sulfate(SO4)≤0.03%0.010%
Iron(Fe) ≤20PPm4PPm
Arsenic(As2O3)≤1PPm0.5PPm
Heavy metals(Pb)≤15PPm6PPm
Loss on drying≤0.5%0.3%
Organic volatile impuritiesMeets the requirementsConforms
Residue on ignition (Sulfated)≤0.30%Conforms
Assay98.5~101.0%Conforms
PH2.0~2.82.45
60MeshNMT 50%Conforms
100MeshNMT 40%Conforms
Packing: 25KG NET DRUM
Storage condition: Store in a cool, dry and well-ventilated area. Keep away from heat, sparks and flames.
Shelf life: This product is stable for at least two years in the unopened original package. It is recommended to use the entire contents after opening.
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Acetylcysteinum (N-Acetil L-Cistein) CAS No. 616-91-1Acetylcysteinum (N-Acetil L-Cistein) CAS No. 616-91-1Acetylcysteinum (N-Acetil L-Cistein) CAS No. 616-91-1Acetylcysteinum (N-Acetil L-Cistein) CAS No. 616-91-1Acetylcysteinum (N-Acetil L-Cistein) CAS No. 616-91-1

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