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N-Acetyl-DL-tryptophan

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N-Acetyl-DL-tryptophan Basic information

Product Name:
N-Acetyl-DL-tryptophan
Synonyms:
  • DL-alpha-Acetylamino-3-indolepropionic acid
  • DL-N-Acetyltryptophan
  • DL-Tryptophan, N-acetyl-
  • n-acetyl-dl-tryptopha
  • N-Acetyl-dl-tryptophane
  • Tryptophan, N-acetyl-, DL-
  • N-Ac-DL-Trp-OH
  • Acetyltryptophan Ac-DL-Trp-OH
CAS:
87-32-1
MF:
C13H14N2O3
MW:
246.26
EINECS:
201-739-3
Product Categories:
  • amino
  • amino acid
  • Amino Acid Derivatives
  • Amino AcidsBiochemicals and Reagents
  • Core Bioreagents
  • Research Essentials
  • Amino Acids Derivatives
  • Indoles and derivatives
  • Tryptophan [Trp, W]
  • Amino Acids and Derivatives
  • N-Acetyl-Amino acid series
  • Peptide Synthesis
  • Tryptophan
  • Amino Acids
  • Ac-Amino Acids
  • Amino Acids
  • Amino Acids (N-Protected)
  • Biochemistry
  • Indoles
  • Tryptophans
Mol File:
87-32-1.mol
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N-Acetyl-DL-tryptophan Chemical Properties

Melting point:
204-206 °C (dec.) (lit.)
Boiling point:
389.26°C (rough estimate)
alpha 
-0.5~+0.5°(20℃/D)(c=2,C2H5OH)
Density 
1.1855 (rough estimate)
refractive index 
1.6450 (estimate)
storage temp. 
2-8°C
solubility 
Slightly soluble in water, very soluble in ethanol (96 per cent). It dissolves in dilute solutions of alkali hydroxides.
pka
3.65±0.10(Predicted)
form 
Powder
color 
White to light yellow
Water Solubility 
INSOLUBLE IN COLD WATER
BRN 
89478
Stability:
Stable. Incompatible with strong oxidizing agents.
InChIKey
DZTHIGRZJZPRDV-UHFFFAOYSA-N
LogP
-0.408 (est)
CAS DataBase Reference
87-32-1(CAS DataBase Reference)
NIST Chemistry Reference
Acetyl-dl-tryptophan(87-32-1)
EPA Substance Registry System
Tryptophan, N-acetyl- (87-32-1)
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Safety Information

Safety Statements 
24/25
WGK Germany 
3
Hazard Note 
Keep Cold
TSCA 
Yes
HS Code 
29339990

MSDS

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N-Acetyl-DL-tryptophan Usage And Synthesis

Chemical Properties

white powder

Uses

N-Acetyl-DL-tryptophan is produced via chemical synthesis using the standard amino acid, tryptophan. It can be used in downstream applications of biopharmaceutical production as a transfer agent or stabilizer.

Definition

ChEBI: An N-acetylamino acid that is the N-acetyl derivative of tryptophan.

Flammability and Explosibility

Not classified

Purification Methods

A likely impurity is tryptophan. Crystallise it from EtOH by adding water. [Cowgill Biochim Biophys Acta 200 18 1970, DL: Berg J Biol Chem 100 79 1933, Beilstein 22/14 V 40-50.]

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