N-Acetyl-DL-Tryptophan (Ph. Eur, BP) low endotoxin, pharma grade

N-Acetyltryptophan , 2-acetamido-3-(1H-indol-3-yl)propanoic acid , (RS)-2-Acetylamino-3-(1H-indol-3-yl)propanoic acid

Assay (Acidim.) (calc. a.d.s.): 99.0 - 101.0 %

Recommended prices only. For prices and orders please contact your local distributor.
Box prices only valid with purchase of full box.

code	packaging size	price per unit	box price per unit
Code & packaging		Price per piece
code 637763.0914	packaging size 5 kg	price per unit single Request a quote	box price per unit
code 637763.0416	packaging size 25 kg	price per unit single Request a quote	box price per unit

Melting Point:: ~ 205 °C
Solubility:: Slightly soluble in water.
Very soluble in ethanol 96%
It dissolves in dilute solutions of alkali.
Physical Description:: solid

Product Code:: 637763
Product Name:: N-Acetyl-DL-Tryptophan (Ph. Eur, BP) low endotoxin, pharma grade
Quality Name:: low endotoxin, pharma grade
Specifications:: Assay (Acidim.) (calc. a.d.s.): 99.0 - 101.0 %
Identity A (Optical rotation): passes test
B: IR passes test
Specific rotation α 20/D c= 10 (in NaOH 1 mol/l): -0.1 - +0.1 °

Maximum limit of impurities
Appearance of solution, Clear < formazin I: passes test
Appearance of solution, colour Loss on drying at 105°C: 0.5 %
Residue on ignition (as SO4): 0.1 %
Ammonium (NH4): 0.0200 %
Residual solvents (Ph.Eur.): passes test
Related Substances (HPLC)
Individual: 0.25 %
Total: 0.5 %
Microbial Limits
Bacterial endotoxins: 20 IU/g
Total Aerobic Microbial Count (TAMC): 10 cfu/g
Total combined yeast and moulds (TYMC): 10 cfu/g
2-Propanol: 5000 ppm
Fe: 0,0010 %

Master Name:: N-Acetyl-DL-Tryptophan
Synonyms Long Text:: N-Acetyltryptophan , 2-acetamido-3-(1H-indol-3-yl)propanoic acid , (RS)-2-Acetylamino-3-(1H-indol-3-yl)propanoic acid
EINECS:: 201-739-3