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L(+)-Asparagine, anhydrous 98.0-102.0%, Bioreagent suitable for use as excipient
L(+)-Asparagine, anhydrous 98.0-102.0%, Bioreagent suitable for use as excipient
Supplier:  Avantor Performance Materials
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L(+)-Asparagine, anhydrous 98.0-102.0%, Bioreagent suitable for use as excipient
Supplier:  Avantor Performance Materials
Certificates

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Specification Test Results

  • Appearance:
    white crystalline powder
  • Assay (on dried basis, by titration):
    98.0% to 102.0%
  • Identification (by IR):
    conforms to structure
  • Aspartic Acid Content:
    NMT 2%
  • Loss On Drying (@105ºC/3hrs.):
    NMT 0.5%
  • Residue On Ignition:
    NMT 0.1%
  • Solubility (10% solution in dilute HCl):
    clear, complete, and colorless
  • Specific Rotation (on dried basis, C=10, 6N HCl):
    +33.0º to +36.5º
  • Bioburden:
    NMT 100 CFU/g
  • Heavy Metals (as Pb):
    NMT 15 ppm
  • Chloride (Cl):
    NMT 0.02%
  • Sulfate (SO4):
    NMT 0.03%
  • Cytotoxicity:
    passes test
  • Endotoxin (measured at 2g/L) .:
    NMT 0.04 EU/mg
  • DNase:
    none detected
  • RNase:
    none detected
  • Protease:
    none detected

Specification Test Results

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