Product Name: N-Ac-L-Trp
CAS#: 1218-34-4
Synonyms: N-Acetyl-L-Tryptophan
Molecular Formula: C13H14N2O3
Molecular Weight: 246.27
Reference standard: AJI92
Specifications:
Item |
Standard |
Appearance |
White crystals or crystalline powder |
Specific rotation[α]20/D(C=4,H2O) |
+25.8 to 27.0° |
State of solution (Transmittance) |
Clear and colorless |
Chloride (Cl) |
Not more than 0.020% |
Ammonium (NH4) |
Not more than 0.02% |
Sulfate (SO4) |
Not more than 0.020% |
Iron (Fe) |
Not more than 10ppm |
Heavy metal(Pb) |
Not more than 10ppm |
Arsenic(As2O3) |
Not more than 1ppm |
Loss on drying |
Not more than 0.20% |
Residue on ignition(sulfated) |
Not more than 0.10% |
Assay |
98.5 to101.0% |
pH |
2.0 to 3.5 |
Ninhydrin positive substance |
negative |