Brand Name: SGONEK
Price: $35 -$55/Kilogram
Place of Origin: Shaanxi, China
Certification: ISO FDA SG COA MSDS
Grade: Cosmetic Grade, Feed Grade, Food Grade, Medicine Grade,
Payment Terms: T/T, Western Union, MoneyGram
| Product Name: | l-cysteine | Cas No.: | 616-91-1 |
| Molecular Formula: | C5H9NO3S | Purity: | 99%min |
| Brand Name: | SGONEK | Certification: | ISO FDA SG COA MSDS |
Product name: N-Acetyl-cysteine
Appearance:White crystalline powder
CAS No.616-91-1
Molecular Weight:163.21
EINECS:EINECS
Formula:C5H9NO3S
N-acetyl Cysteine is made of L-cysteine. L-cysteine can be supplied with high quality and best price.
N-acetyl Cysteine is an amino acid, can be transformed from the body of methionine, cystine can be transformed with each other.
|
Items |
Specifications(USP) |
Specifications(AJI) |
|
Description |
White crystals or crystalline powder |
White crystals or crystalline powder |
|
Identification |
Infrared absorption spectrum |
Infrared absorption spectrum |
|
Specific rotation [a]D20° |
+21.0°- +27.0° |
+21.3.0°- +27.0° |
|
State of solution (Transmittance) |
- - - - |
≥98.0% |
|
Chloride(CI) |
- - - - |
≤0.04% |
|
Ammonium(NH4) |
- - - - |
≤0.02% |
|
Sulfate(SO4) |
- - - - |
≤0.030% |
|
Iron(Fe) |
- - - - |
≤20ppm |
|
Heavy metals(Pb) |
0.001% |
≤10ppm |
|
Arsenic(As2O3) |
- - - - |
≤1ppm |
|
Other amino acids |
- - - - |
Chromatographically Not detectable |
|
Loss on drying |
≤1.0% |
≤0.5% |
|
Residue on ignition (Sulfated) |
≤0.5% |
≤0.20% |
|
PH |
2.0-2.8 |
2.0-2.8 |
|
Melting point |
- - - - |
106 to 110° |
|
Assay |
98.0-102.0% |
98.5-101% |
|
O.V.I |
Meets the requirements |
