Naproxen base

Name: Naproxen base
Availability: naproxen-base-19068.html

Category:Active Pharmaceutical Ingredients > Other Anti-Infective Drug
Product Name:Naproxen base
CAS No.:22204-53-1
Standard:USP, BP, EP
Price(USD):0.00
Company:Arshine Group Co.,Ltd.

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Basic Info

Grade: food grade, pharmaceutical grade, injection grade

Factory Location: Changsha Hu nan china china

Main Sales Markets: North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East,Africa
Packaging Information: 25KG/DRUM
Sample Provided: no

Payment Terms: T/T,L/C,DP,BANK CONTRACT

High quality Naproxen base/22204-53-1
1.CAS No. 22204-53-1
2.Color:White
3.Standard:BP/USP/EP
4.packing: 25kg/drum

Usage:API

TEST		SPECIFICATION	RESULT
Characters		A white or almost white crystalline powder	Comply
Id.	A. Specific optical rotation	59° ~ 62°	60.1°
	B.Melting point	154.0~158.0°C	156.0~156.5°C
	C.Specific absorbance	Meet the requirements	Comply
	D.Infrared absorption	Meet the requirements	Comply
Appearance of solution		Clear,not more intense than BY7	Comply
Eantiomeric purity		≤2.5%	0.70%
Related substances
Impurity L		≤0.1%	<0.01%
Unspecified impurities		≤0.1%	0.02%MAX
Total impurities		≤0.3%	0.04%
Heavy metals		≤20ppm	<20ppm
Loss on drying		≤0.5%	0.01%
Sulphate ash		≤0.1%	0.01%
Assay		99.0%~101.0%	99.70%

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Naproxen base

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