头孢曲松杂质标准品

头孢曲松杂质A. (6R,7R)-7-[[(2E)-(2-aminothiazol-4-yl)(methoxyimino)acetyl]amino]-3-[[(2-methyl-5,6-dioxo-1,2,5,6-tetrahydro-1,2,4-triazin-3-yl)sulphanyl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid ((E)-isomer) Chemical Formula: C18H18N8O7S3 Molecular Weight: 554.58 头孢曲松杂质B (5aR,6R)-6-[[(2Z)-(2-aminothiazol-4-yl)(methoxyimino)acetyl]amino]-5a,6-dihydro-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazine-1,7(4H)-dione Chemical Formula: C14H13N5O5S2 Molecular Weight: 395.41 头孢曲松杂质C 2-methyl-3-sulphanyl-1,2-dihydro-1,2,4-triazine-5,6-dione Chemical Formula: C4H5N3O2S Molecular Weight: 159.17 头孢曲松杂质D S-benzothiazol-2-yl (2Z)-(2-aminothiazol-4-yl)(methoxyimino)thioacetate Chemical Formula: C14H12N4O2S2 Molecular Weight: 332.40 头孢曲松杂质E (6R,7R)-7-amino-3-[[(2-methyl-5,6-dioxo-1,2,5,6-tetrahydro-1,2,4-triazin-3-yl)sulphanyl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Chemical Formula: C12H13N5O5S2 Molecular Weight: 371.39