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Levodopa

levodopa

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Packaging Details: 25KG/DRUM
Delivery Detail: prompt shipment

Specifications:
PRODUCT NAME: Levodopa
CAS NUMBER: 59-92-7

MP 276-278 °C(lit.)
alpha -11.7 º (c=5.3, 1N HCl)
refractive index -12 ° (C=5, 1mol/L HCl)
storage temp.
2-8°C
Stability Stable. Incompatible with strong oxidizing agents. Light and air sensitive.
Biological Activity Immediate precursor of dopamine, produced by tyrosine hydroxylase. Displays antiParkinsonian activity.
Usage Natural isomer of the immediate precursor of dopamine; product of tyrsine hydroxylase
Item Standard Result
Content 99.00%-101.00% 99.29%
Characters A white or slightly cream-coloured, Crystalline powder White crystalline powder
Solubility Slightly soluble in water, practically insoluble in alcohol and in ether Meets the requirements
Appearance of solution Meets the requirements Meets the requirements
Acidity of alkalinity PH: 4.50~7.00 5.25
Optical rotation -1.27°~ -1.34° -1.30°
Absorbance 137.0~147.0 141.3
Related substances ≤0.50% 0.39%
Heavy metals ≤10ppm 5ppm
Loss on drying ≤1.00% 0.47%
Sulphated ash ≤0.10% 0.05%
Density/Particle size 100mesh 100mesh
Conclusion The quality of above commodity complies with BP2005 Standard.

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