Chemical Structure CAT No. CAS Item Group Purity
Tofacitinib Impurity 27 C4X-107927 2028267-73-2 Impurity
Tofacitinib Impurity 27
Tofacitinib RS/SR mixture Citrate C4X-107929 N/A Impurity
Tofacitinib RS/SR mixture Citrate
Tofacitinib Impurity 3 C4X-10793 1092578-47-6 Impurity
Tofacitinib Impurity 3
Tofacitinib Impurity 30 C4X-107930 N/A Impurity
Tofacitinib Impurity 30
Tofacitinib Impurity 31 C4X-107931 923036-25-3 Impurity
Tofacitinib Impurity 31
Tofacitinib Impurity 32 C4X-107932 N/A Impurity
Tofacitinib Impurity 32
Tofacitinib Impurity 33 C4X-107933 1640971-60-3 Impurity
Tofacitinib Impurity 33
Tofacitinib Impurity 34 (Mixture of Diastereomers) C4X-107934 344418-92-4 Impurity
Tofacitinib Impurity 34 (Mixture of Diastereomers)
Tofacitinib Impurity 35 C4X-107935 N/A Impurity
Tofacitinib Impurity 35
Tofacitinib Impurity 36 C4X-107936 N/A Impurity
Tofacitinib Impurity 36