左旋咪唑,CAS14769-73-4

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左旋咪唑

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左旋咪唑（碱）

Levamisole（Base）

Chemical Name	Levamisole (Base) (S)-2,3,5,6-Tetrahydro-6-phenylimidazo[2,1-b]thiazole
CAS Number	14769-73-4
Molecular Formula	C11H12N2S
Molecular Weight	204.29
Molecular Structure
Packing	25kg/Drum
Capacity	400tons/Year
Storage	Kept In Closed Container,Protected From Light.
Application	Levamisole is active against adult and larval stages of gastrointestinal nematodes and lungworms in cattle, sheep, pigs and poultry.

SPECIFICATION

Items	Specification
Appearance	White or off-white powder
Solubility	Meets the requirements
Identification
Specific Rotation Identification	Meets the requirements
IR Identification	Meets the requirements
Test
Clarity and Color of Solution	Meets the requirements
Specific Rotation	-85°~ -89°
Related Substances	Impurity A ≤0.20 %
	Impurity B ≤0.20 %
	Impurity C ≤0.20 %
	Impurity D ≤0.20 %
	Impurity E ≤0.20 %
	Individual Unknown Impurity ≤0.10 %
	Total Impurity ≤0.30 % Impurities ≤0.05 % are negligible
Moisture	≤0.50 %
Residue on Ignition	≤0.10 %
Heavy Metals	≤20ppm
Assay	It contains 98.5%- 101.5% of Levamisole Base (C11H12N2S), calcultated on the anhydrous basis