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

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

CS:

2933 99 80 90

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