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  • 8a hydroxy-avermectin B1a

    CAS: 96722-46-2

    Synonyms:8a hydroxy-avermectin B1a;5-O-demethyl-28-hydroxy-Avermectin A1a;Avermectin A1a, 5-O-demethyl-28-hydroxy- (9CI);Doxapram Impurity 11

    Molecular weight:889.09

    Formula:C48H72O15

  • Azlocillin Opern-Ring Impurity

    CAS: 96688-41-4

    Synonyms:Azlocillin Opern-Ring Impurity;2-Thiazolidineacetic acid, 4-carboxy-5,5-dimethyl-α-[[[[(2-oxo-1-imidazolidinyl)carbonyl]amino]phenylacetyl]amino]-, [2R-[2α[R*(R*)],4β]]- (9CI);Aloxicillin ring opening impurity;Azlocillin Open-Ring Impurity;Abamectin Impurity 12

    Molecular weight:479.51

    Formula:C20H25N5O7S

  • Carbobenzyloxyphenylalanyltyrosine benzyl ester

    CAS: 96676-32-3

    Synonyms:benzyl (2S)-3-(4-hydroxyphenyl)-2-[[(2S)-3-phenyl-2-(phenylmethoxycarbonylamino)propanoyl]amino]propanoate;Tyrosine, N-(N-carboxy-3-phenyl-L-alanyl)-, dibenzyl ester (7CI);Carbobenzyloxyphenylalanyltyrosine benzyl ester

    Molecular weight:552.62

    Formula:C33H32N2O6

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