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Cytarabine

Name of substance 4-amino-1-β-D-arabinofranosyl-1H-pyrimidine-2-one
Molecular formula C9H13N3O5
Molecular weight MW 243.22
Structural formula Structural formula of cytarabine
Standards Standards specified in the Japanese Pharmacopoeia
  • Description: White crystalline powder
  • Ultraviolet-visible spectrum: The spectrum from the product exhibits similar intensities of absorption at the same wavelength when compared with a reference spectrum.
  • Infrared absorption spectrum: The spectrum from the product exhibits similar intensities of absorption at the same wave numbers when compared with a reference spectrum.
  • Optical rotation: +154 - +160°
  • pH: 6.5 - 8.0
  • Clarity and color of solution: Clear and colorless
  • Chloride: not more than 0.009%
  • Heavy metals: not more than 20 ppm
  • Related substances (TLC)
    Individual related substances: not more than 0.5%, the number of spots of 0.2% or more in content: not more than two.
  • Loss on drying: not more than 1.0%
  • Residue on ignition: not more than 0.5%
  • Content: not less than 98.5% and not more than 101.0%
CAS No. 147-94-4
Physical and other properties
  • Melting point: About 214°C
  • The substance is very soluble in water, soluble in acetic acid, very slightly soluble in ethanol and practically insoluble in dimethyl ether.
  • The Drug Master File (EP/USP/JP) has been registered.
Examples of use Active pharmaceutical ingredient: anticancer drug

Style of packaging  5 kg tin can

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