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Naproxen Sodium

SKU : AAG015
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CAS number

26159-34-2

molecular formula

C14H13NaO3

standard

USP32

Package

25kg/drum
ITEMS LIMIT
Appearance White to almost white crystalline powder
Infrared absorption The infrared absorption spectrum is concordant with the reference spectrun
Utraviolel Absorption Absorptivities at 272nm,calculated on the dried base,do not differ by morethan 3%
Specific rotation -15.3 o ~ -17.0 o 
Loss on drying ≤1.0%
Heavy metals ≤0.002%
Free Naproxen ≤1.0%
ImpurityD(in house) ≤0.10%
Impurity E(in-house,impurity C in EP) ≤0.10%
Any other impurlty ≤0.10%
Tolucne ≤50ppm
Methanol ≤50ppm
Ethanol ≤100ppm
Assay(on the dried basis)it contains C14H13NaO3 98.5%~101.5%
Note:1LOD:Impurity D;0.002%,Impurity E:0.001%,Any other impurity 0.002%
LOQ: Impurity D;0.01%,Impurity E:0.005%,Any other impurity 0.01%
2LOD:Toluene:0.05ppm,Methanol:12ppm,Ethanol:8ppm

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