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Dantrolene sodium

SKU : AAN007
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CAS number

14663-23-1

molecular formula

C14H10N4NaO5

standard

USP32

Package

25kg/drum
ITEMS LIMIT
Appearance Yellowish-orange to orange crystalline powder. No visible evidence of contamination by foreign matter
Identification A The Irabsorption spectrum exhibits maxima only at the same wavelengths as that of the reference standard(197K)
Identification B The retention time of the major peak in the chromatogram of the assay preparation corresponds to that in the chromatogram of the standard preparation, as obtained in the assay.
Identification C Meets thre requirements of the flame test for sodium(191)
heavy metals Not more than 0.002%
Water 14.5%-17.0%
Assay 90.0-96.0% of C14H10N4O5  On the anhydrous basis
Residual solvents Ethanol  Not more than 2000ppm
Methanol  Not more than 500ppm
Acetone  Not more than 200ppm
DMF  Not more than 620ppm
Related substances Related compound A  Not more than 0.15%
Related compound B  Not more than 0.50%
Related compound C  Not more than 0.30%

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