BenzylPeni KALI - BENZYLPENICILIN KALI Benzylpenicillinum...

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BENZYLPENICILIN KALI Benzylpenicillinum kalicum C 16 H 17 KN 2 O 4 S P.t.l: 372,5 Benzylpenicilin kali là kali (2 S ,5 R ,6 R )-3,3-dimethyl-7-oxo-6-[(phenylacetyl)amino]-4-thia-1- azabicyclo[3.2.0]heptan-2-carboxylat, đ c s n xu t b ng cách nuôi c y ch ng ượ Penicillium notatum ho c các ch ng cùng h hay đi u ch b ng các ph ng pháp khác; ế ươ ph i ch a t 96,0 đ n 102,0% C ế 16 H 17 KN 2 O 4 S, tính theo ch ph m đã làm khô. ế Tính ch t B t k t tinh màu tr ng ho c g n nh tr ng. R t tan trong n c, th c t không tan trong d u ế ư ướ ế béo và d u parafin. Đ nh tính Có th ch n m t trong hai nhóm đ nh tính sau: Nhóm 1: A,D. Nhóm 2: B, C, D. A. Ph h ng ngo i (Ph l c 4.2) c a ch ph m ph i phù h p v i ph h ng ngo i c a ế benzylpenicilin kali chu n (ĐC). B. Ti n hành s c ký l p m ng theo đ nh tính các penicilin (Ph l c 8.2). ế ụ ụ C. Ph n ng B trong phép th ph n ng màu c a các penicilin và cephalosporin (Ph l c 8.3). ụ ụ D. Ch ph m cho ph n ng (A) c a ion kali (Ph l c 8.1) ế ụ ụ pH T 5,5 đ n 7,5 (Ph l c 6.2) ế ụ ụ Hòa tan 2,0 g ch ph m trong ế n c không có carbon dioxyd (TT) ướ và pha loãng thành 20 ml v i cùng dung môi. Góc quay c c riêng T +270 o đ n +300 ế o tính theo ch ph m đã làm khô (Ph l c 6.4). ế ụ ụ Hòa tan 0,500 g ch ph m trong ế n c không có carbon dioxyd (TT) ướ và pha loãng thành 25,0 ml v i cùng dung môi. Đ h p th ánh sáng Hòa tan 94,0 mg ch ph m trong ế n c ướ và pha loãng thành 50,0 ml v i cùng dung môi. Đo đ
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