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头孢噻吩购买
目录号: PI00027001     品名: Cephalothin
CAS:153-61-7|Chemical Formula: C16H16N2O6S2|(6R,7R)-3-(acetoxymethyl)-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
头孢噻吩EP杂质A购买
目录号: PI00027002     品名: Cephalothin Impurity A(EP)
CAS: |Chemical Formula: C14H14N2O4S2|(6R,7R)-3-methyl-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
头孢噻吩EP杂质B购买
目录号: PI00027003     品名: Cephalothin Impurity B(EP)
CAS: |Chemical Formula: C14H14N2O5S2|(6R,7R)-3-(hydroxymethyl)-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
头孢噻吩杂质C(EP),（7-ACA）购买
目录号: PI00027004     品名: Cephalothin Impurity C(EP)
CAS No:957-68-6 |Chemical Formula: C10H12N2O5S|(6R,7R)-3-(acetoxymethyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
头孢噻吩杂质D(EP),头孢西丁杂质C(EP)购买
目录号: PI00027005     品名: Cephalothin Impurity D(EP),Cefoxitin Impurity C(EP)
CAS No:10590-10-0|Chemical Formula: C14H12N2O4S2|N-((5aR,6R)-1,7-dioxo-1,4,5a,6-tetrahydro-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)-2-(thiophen-2-yl)acet……
头孢噻吩-3-异构体购买
目录号: PI00027006     品名: Cephalothin-3-isomer
CAS: |Chemical Formula: C16H16N2O6S2|(6R,7R)-3-(acetoxymethyl)-8-oxo-7-(2-(thiophen-3-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Δ3-头孢噻吩-3-异构体购买
目录号: PI00027007     品名: Δ3-Cephalothin-3-isomer
CAS: |Chemical Formula: C16H16N2O6S2|(6R,7R)-3-(acetoxymethyl)-8-oxo-7-(2-(thiophen-3-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid
头孢噻吩二聚体A购买
目录号: PI00027008     品名: Cephalothin Dimer A
CAS No:N/A||Chemical Formula:C30H28N4O10S4||Molecular Weight:732.81200||Exact Mass:732.06883||(6R,7R)-3-((((6R,7R)-3-(acetoxymethyl)-8-oxo-7-(2-(thiophen-3-yl)a……
头孢噻吩二聚体B购买
目录号: PI00027009     品名: Cephalothin Dimer B
CAS No:N/A||Chemical Formula:C31H32N4O10S4||Molecular Weight:748.10013||Exact Mass:748.85500||2-(5-(acetoxymethyl)-3-((6R,7R)-3-(acetoxymethyl)-8-oxo-7-(2-(thio……
头孢噻吩二聚体C购买
目录号: PI00027010     品名: Cephalothin Dimer C
CAS No:N/A||Chemical Formula:C30H32N4O8S4||Molecular Weight: 704.84600||Exact Mass:704.11030||((6R,7R)-2-(5-(acetoxymethyl)-2-((2-(thiophen-3-yl)acetamido)methy……
头孢噻吩聚合物杂质1购买
目录号: PI00027011     品名: Cephalothin Polymer Impurity 1
CAS No:N/A||Chemical Formula:C24H22N4O8S3||Molecular Weight:590.64000||Exact Mass:590.05998||(6R,7R)-3-(acetoxymethyl)-7-((5aR,6R)-1,7-dioxo-6-(2-(thiophen-2-yl……

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