| ≥1 piece |
L-Tryptophan
1.Assay:98.5%
2.Characteristics: White crystals or crystalline powder
3.Quality Standards: CP2010,USP32,EP5,A
L-Tryptophan
Molecular Formula:C 11 H 12 N 2 O 2
Molecular Weight: 204.23
Cas No: 73-22-3
Characteristics: White crystals or crystalline powder
Assay:98.5%
Quality Standards: CP2010,USP32,EP5,AJI97,FCC4,BP
L-Tryptophan USP32
|
Test Item |
Specification |
|
Assay |
98.5%~101.5% |
|
Specific rotation [α] D20° |
-29.4°~-32.8° |
|
PH |
5.5~7.0 |
|
State of solution (Transmittance) |
--- |
|
Chloride content |
Not More Than 0.05% |
|
Sulfate (SO4) |
Not More Than 0.03% |
|
Ammonium (NH4) |
--- |
|
Other amino acids |
--- |
|
Loss on drying |
Not More Than 0.3% |
|
Residue on ignition |
Not More Than 0.1% |
|
Iron(Fe) |
Not More Than 0.003% |
|
Heavy metals |
Not More Than 0.0015% |
|
Arsenic |
--- |
|
Pyrogen |
--- |
STORAGE: Controlled room temperature in closed container
Relational products: we supply the other amino acids
|
L-Alanine |
L-Aspartic acid |
L-Arginine |
L-Arginine Hcl |
L-Cysteine |
|
L-Cysteine HCl |
L-Cystine |
L-Glutamic acid |
L-Histidine |
L-Histidine HC |
|
l-isoleucine |
L-Leucine |
L-Lysine |
L-Lysine Acetate |
L-Lysine Hcl |
|
l-methionine |
L-Phenylalanine |
L-Serine |
L-Threonine |
L-Tyrosine |
|
L-Tryptophan |
L-Valine |
Glycine |
N-Acetyl-L-Cysteine |
L-Proline |