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品 名: 2-噻吩乙酸 CAS:1918-77-0
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			 檢驗項目 Parameter  | 
			
			 標準規(guī)定 Specification  | 
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			 外 觀 Appearance  | 
			
			 淡黃色至類白色結(jié)晶 Light yellow to white crystalline  | 
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 鑒 別 Identification(HPLC)  | 
			
			 相關(guān)物質(zhì)測定下,供試品溶液主峰的保留時間應(yīng)與對照品溶液主峰的保留時間一致。 The retention time of the main peak of the test solution should be consistent with the retention time of the main peak of the reference solution.  | 
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			 水分 Water  | 
			
			 應(yīng)不得過 0.5% Not more than  | 
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			 純度 Purity  | 
			
			 不得低于 Not less than 99.0%  | 
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			 相關(guān)物質(zhì) Related substance  | 
			
			 3-噻吩乙酸 3-Thienylacetic acid  | 
			
			 不得超過 Not more than 0.5%  | 
		
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			 5-甲基噻吩-2-噻吩乙酸 5-Thienylmethyl-2-thienylacetic acid  | 
			
			 不得超過 Not more than 0.5%  | 
		
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			 單一最大未知雜質(zhì) Single maximum unknown impurity  | 
			
			 不得超過 Not more than 0.2%  | 
		
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			 總雜質(zhì) Total impurity  | 
			
			 不得超過 Not more than 1.0%  | 
		
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			 含 量 Assay by Titration 
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			 ( 折干計):不得低于 Not less than 98.0%  | 
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