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D-(+)-Biotin 98%
D-(+)-Biotin 98%
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D-(+)-Biotin 98%

Specification Test Results

  • Appearance:
    White to off-white Powder
  • Infrared spectrum:
    Conforms
  • Loss on drying:
    ≤1 % (105°C)
  • Sulfated ash:
    ≤0.1 %
  • Appearance of solution:
    (2% soln. in 0.1 N NaOH) clear, colorless
  • Specific optical rotation:
    +89° to +93° (20°C, 589 nm) (c=2, 0.1 N NaOH) (on dried substance)
  • Titration with NaOH:
    ≥97.5 % (On dried substance)

Specification Test Results

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