Estrone
        
        Molecular Structure:
 
        MDL:
MFCD00003620 
        Molecular Formula:
C18H22O2
        Molecular Weight:
270.37
        Alias:
	雌甾酮,雌酚酮,雌激素酮
1,3,5(10)-Estratrien-3-ol-17-one
3-Hydroxy-1,3,5(10)-estratrien-17-one
Folliculin 
        Product order:
        
          
            | Name | Specifications | Packing | Price | Delivery | 
          
            | Estrone | 分析标准品 | 250mg | RMB 424.6 | 现货 | 
          
            | Estrone | 97% | 1g | RMB 163.9 | 促销 | 
          
            | Estrone | 97% | 5g | RMB 576.4 | 促销 | 
          
            | Estrone | 97% | 25g | RMB 3179 | 现货 | 
        
         
        Character:
白色结晶。溶于醇、丙酮、二氧六环、苯、氯仿、吡啶及氢氧化碱溶液,微溶于醚和植物油,几乎不溶于水,水中溶解度:0.03 g/L。
熔点:258-260℃
        Quality Standard:
外观Appearance             白色结晶或粉末
鉴别试验Identity                      PASS
纯度Purity                            ≥97%.0% (HPLC)  
干燥失重Loss on drying                <0.5 % (105℃, 3 小时)
硫酸盐灰分Sulfated ash                <0.5 %
比旋度Specific rotation [a]20/D       +158°~ +165°(c=1, dioxane)
溶液的澄清度Clarity of solution       passes test
马烯雌酮、马萘雌酮限制实验
limit of equilenin and equilin        passes test 
        Storage:
	该品是1号避孕药用的激素类药炔雌醇的中间体。
		
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