现货供应头孢呋辛钠系列杂质标准品:杂质A ,杂质B,杂质C,杂质E,杂质F,杂质H,杂质I,纯度95%以上,用于药品申报,含量分析等。
头孢呋辛钠杂质B:
(6R,7R)-3-[(acetyloxy)methyl]-7-[[(Z)-(furan-2-yl)(methoxyimino)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Chemical Formula: C17H17N3O8S Molecular Weight:423.40