Nitrosamines & NDSRI - Products

N-Nitroso ketotifen Impurity

CAT No: CL-KTF-NO-01 CAS No: NA Mol Wt: 324.4 Mol F: C18H16N2O2S Inv Status: Custom Synthesis

Chemical Name: 4-(1-nitrosopiperidin-4-ylidene)-4,9-dihydro-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one

N-Nitroso ketotifen Impurity A

CAT No: CL-KTF-NO-02 CAS No: NA Mol Wt: 308.4 Mol F: : C18H16N2OS Inv Status: Custom Synthesis

Chemical Name: 4-(4h-benzo[4,5]cyclohepta[1,2-b]thiophen-4-ylidene)-1-nitrosopiperidine

N-Nitroso ketotifen Impurity C

CAT No: CL-KTF-NO-03 CAS No: NA Mol Wt: 342.41 Mol F: C18H18N2O3S Inv Status: Custom Synthesis

Chemical Name: 4(r)-4-hydroxy-4-(1-nitrosopiperidin-4-yl)-4h-benzo[4,5]cyclohepta[1,2-b]thiophen-10(9h)-one

N-Nitroso ketotifen Impurity E

CAT No: CL-KTF-NO-04 CAS No: NA Mol Wt: 324.4 Mol F: C18H16N2O2S Inv Status: Custom Synthesis

Chemical Name: 10-(1-nitrosopiperidin-4-ylidene)-5,10-dihydro-4h-benzo[5,6]cyclohepta[1,2-b]thiophen-4-one

N-Nitroso ketotifen Impurity G

CAT No: CL-KTF-NO-05 CAS No: NA Mol Wt: 338.38 Mol F: C18H14N2O3S Inv Status: Custom Synthesis

Chemical Name: 4-(1-nitrosopiperidin-4-ylidene)-4h-benzo[4,5]cyclohepta[1,2-b]thiophene-9,10-dione

N-Nitroso ketotifen Impurity B

CAT No: CL-KTF-NO-06 CAS No: NA Mol Wt: 356.44 Mol F: C19H20N2O3S Inv Status: Custom Synthesis

Chemical Name: (R)-10-methoxy-4-(1-nitrosopiperidin-4-yl)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-ol

N-Nitroso ketotifen Impurity 1

CAT No: CL-KTF-NO-07 CAS No: NA Mol Wt: 148.59 Mol F: C5H9ClN2O Inv Status: Custom Synthesis

Chemical Name: 4-chloro-1-nitrosopiperidine

N-Nitroso ketotifen Impurity 2

CAT No: CL-KTF-NO-08 CAS No: NA Mol Wt: 326.41 Mol F: C18H18N2O2S Inv Status: Custom Synthesis

Chemical Name: 4-(1-nitrosopiperidin-4-yl)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-ol

N-Nitroso ketotifen Impurity F

CAT No: CL-KTF-NO-09 CAS No: NA Mol Wt: 324.4 Mol F: C18H16N2O2S Inv Status: Custom Synthesis

Chemical Name: 4-(1-nitrosopiperidin-4-ylidene)-4h-benzo[4,5]cyclohepta[1,2-b]thiophen-9(10h)-one