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頭孢唑林EP雜質(zhì)J咨詢
目錄號: PI00017015     品名: Cefazolin EP Impurity J
CAS No:1675245-00-7 ||Chemical Formula:C11H12N6O5S ||Molecular Weight:340.31400 ||Exact Mass:340.05899 ||2-((2-(1H-tetrazol-1-yl)acetamido)(carboxy)methyl)-5-me……
頭孢唑林USP雜質(zhì)B前體咨詢
目錄號: PI00017016     品名: Cefazolin USP Impurity B Precursor
CAS No:1809086-26-7||Chemical Formula:C7H13N5O3||Molecular Weight:215.21300||Exact Mass:215.10184||N-(2,2-dimethoxyethyl)-2-(1H-tetrazol-1-yl)acetamide
頭孢唑林USP雜質(zhì)E咨詢
目錄號: PI00017017     品名: Cefazolin Impurity E (USP)
CAS No:478494-71-2||Chemical Formula:C11H12N6O5S||Molecular Weight:340.314||Exact Mass:340.05899||(6R,7R)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(hydroxymethyl)-8-……
頭孢唑林雙母核雜質(zhì)A咨詢
目錄號: PI00017019     品名: Cefazolin Double Mother Nucleus Impurity A
CAS No:N/A ||Chemical Formula:C25H24N12O6S6 ||Molecular Weight:780.90500 ||Exact Mass:780.02660 ||(6R,7R)-7-((6R,7R)-7-(2-(5H-tetrazol-5-yl)acetamido)-3-(((5-me……
頭孢唑林雙母核雜質(zhì)B咨詢
目錄號: PI00017020     品名: Cefazolin Double Mother Nucleus Impurity B
CAS No:N/A ||Chemical Formula:C25H24N12O6S6 ||Molecular Weight:780.90500 ||Exact Mass:780.02660||(6R,7R)-7-((6R,7R)-7-(2-(5H-tetrazol-5-yl)acetamido)-3-(((5-met……
頭孢唑林USP雜質(zhì)B(互變混合物)咨詢
目錄號: PI00017021     品名: Cefazolin Impurity B(USP)
CAS No:1675245-47-2，1797135-60-4 (dehydrated form) ||Chemical Formula:C5H7N5O2；C5H9N5O3||Molecular Weight:169.14400；187.15900||Exact Mass: 169.05997；187.07054||……
頭孢唑啉雙母核咨詢
目錄號: PI00017022     品名: Cefazolin Double Mother Nucleus
CAS No:N/A ||Chemical Formula:C25H24N12O6S6 ||Molecular Weight:780.92486 ||Exact Mass:780.02660||(6R,7R)-7-((6R,7R)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(((5-met……
頭孢唑林雜質(zhì)L4L5咨詢
目錄號: PI00017023     品名: Cefazolin Impurity L4L5
CAS No:N/A||Chemical Formula:C14H16N8O5S3||Molecular Weight:472.51300||Exact Mass:472.04058 ||2-((2-(1H-tetrazol-1-yl)acetamido)(carboxy)methyl)-5-(((5-methyl-1……
頭孢唑林3位側(cè)鏈二聚體2咨詢
目錄號: PI00017024     品名: Cefazolin 3-Position Side Chain Dimer 2
CAS No:66666-63-5||Chemical Formula:C6H6N4S4||Molecular Weight:262.38200||Exact Mass:261.94753||1,2-bis(5-methyl-1,3,4-thiadiazol-2-yl)disulfane
頭孢唑林3位側(cè)鏈二聚體1雜質(zhì)咨詢
目錄號: PI00017025     品名: Cefazolin 3-Position Side Chain Dimer 1
CAS No:N/A||Chemical Formula:C6H6N4S3||Molecular Weight:230.32200||Exact Mass:229.97546||bis(5-methyl-1,3,4-thiadiazol-2-yl)sulfane
頭孢唑林母核7S咨詢
目錄號: PI00017026     品名: 7S-Cefazolin Mother Nucleus
CAS No:N/A||Chemical Formula:C11H12N4O3S3||Molecular Weight:344.42200||Exact Mass:344.00715||(6R,7S)-7-amino-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-……
頭孢唑林母核雙鍵轉(zhuǎn)移雜質(zhì)咨詢
目錄號: PI00017027     品名: Cefazolin Mother Nucleus Double-Bond Shift Impurity
CAS No:N/A||Chemical Formula:C11H12N4O3S3||Molecular Weight:344.42200||Exact Mass:344.00715||(6R,7R)-7-amino-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-……
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