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78510 Sigma-Aldrich

N-Acetyl-DL-tryptophan

PharmaGrade, Manufactured under appropriate GMP controls for pharma or biopharmaceutical production.

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  • CAS Number 87-32-1

  • Empirical Formula (Hill Notation) C13H14N2O3

  • Molecular Weight 246.26

  •  Beilstein Registry Number 89478

  •  EC Number 201-739-3

  •  MDL number MFCD00005644

N-Acetyl-DL-tryptophan PharmaGrade, Manufactured under appropriate GMP controls for pharma or biopharmaceutical production.
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Properties

Quality Level   GMP
assay   99.0-101.0% (w/w)
optical activity   [α]/D -0.1 to +0.1, c = 1 g/10 mL in 1 M NaOH
impurities   ≤10 mg/kg heavy metals
ign. residue   ≤0.1%
loss   ≤0.5% loss on drying
mp   204-206 °C (dec.)(lit.)
solubility   1 M NaOH: soluble0.1 g/10 mL, clear, colorless to almost colorless
cation traces   Fe: ≤10 mg/kg
  NH4+: ≤200 mg/kg
suitability   corresponds for identity (IR)
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