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头孢氨苄二酮哌嗪
目录号: pi00023013     品名: cephalexin diketopiperazine
cas no:n/a 59865-11-1||chemical formula:c16h17n3o4s ||molecular weight:347.38900 ||exact mass:347.09398 ||2-(3,6-dioxo-5-phenylpiperazin-2-yl)-5-methyl-3,6-dih……
d5-头孢氨苄水合物
目录号: pi00023014     品名: cephalexin-d5 hydrate
cas no:n/a ||chemical formula:c16h14d5n3o5s||(6r,7r)-7-[[(2r)-2-amino-2-(phenyl-d5)acetyl]amino]-3-methyl-8-oxo -5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxyli……
头孢氨苄二酮
目录号: pi00023015     品名: cephalexin diketone
cas no:65870-51-1||chemical formula:c11h11n3o2||molecular weight:217.22800||exact mass:217.08513||3-(aminomethylene)-6-phenylpiperazine-2,5-dione
头孢氨苄降解杂质a
目录号: pi00023016     品名: cephalexin degradation impurity a
cas no:n/a ||chemical formula:c11h10n2o3 ||molecular weight:218.21200 ||exact mass:218.06914 || 3-(hydroxymethylene)-6-phenylpiperazine-2,5-dione​
头孢氨苄二酮哌嗪(2位转移)
目录号: pi00023017     品名: cephalexin diketopiperazine(2-position shift)
cas no: 65870-52-2||chemical formula:c16h17n3o4s||molecular weight:347.38900||exact mass:347.09398||2-(3,6-dioxo-5-phenylpiperazin-2-yl)-5 -methyl-5,6-dihydro-2……
头孢氨苄乙基同系物2杂质
目录号: pi00023018     品名: cefalexin ethyl homolog 2 impurity
cas no:n/a||chemical formula:c21h27n7o2||molecular weight:361.41600||exact mass:361.10963||(6r,7r)-7-((r)-2-amino-2-phenylacetamido)-3-ethyl-8-oxo-5-thia-1-azab……
l-头孢氨苄
目录号: pi00023019     品名: l-cephalexin
cas no:n/a||chemical formula:c16h17n3o4s||molecular weight:347.38900||exact mass:347.09398||(6r,7r)-7-((s)-2-amino-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-az……
头孢氨苄开环杂质
目录号: pi00023020     品名: cephalexin open-ring impurity
cas no:n/a||chemical formula:c16h19n3o5s||molecular weight:365.40400||exact mass:365.10454||2-(((r)-2-amino-2-phenylacetamido)(carboxy)methyl)-5-methyl-3,6-dihy……
头孢氨苄聚合物a
目录号: pi00023021     品名: cephalexin dimer a
cas no:n/a||chemical formula:c31h34n6o6s2||molecular weight:650.76900||exact mass:650.19812||(6r,7r)-7-((2r)-2-(2-(((r)-2-amino-2-phenylacetamido)methyl)-5-meth……
头孢氨苄聚合物b
目录号: pi00023022     品名: cephalexin dimer b
cas no:n/a||chemical formula:c32h34n6o8s2"||molecular weight:694.77800||exact mass:694.18795||(6r,7r)-7-((2r)-2-(2-(((r)-2-amino-2-phenylacetamido)(carboxy)meth……
头孢氨苄聚合物c
目录号: pi00023023     品名: cephalexin dimer c
cas no:n/a||chemical formula:c32h34n6o8s2||molecular weight:694.77800||exact mass:694.18795||2-(((r)-2-((6r,7r)-7-((r)-2-amino-2-phenylacetamido)-3-methyl-8-oxo……
头孢氨苄聚合物d
目录号: pi00023024     品名: cephalexin dimer d
cas no:n/a||chemical formula:c31h34n6o6s2||molecular weight:650.76900||exact mass:650.19812||2-(((r)-2-((6r,7r)-7-((r)-2-amino-2-phenylacetamido)-3-methyl-8-oxo……
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