STC Research Chemicals Ltd.

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T001103

Telmisartan Impurity C

CAS No. 144702-26-1

C37H38N4O2

M.W. 570.74

T001102

Telmisartan Impurity B

CAS No. 1026353-20-7

C33H30N4O2

M.W. 514.63

T000803

Tadalafil EP Impurity C

CAS No. 171596-28-4

C22H19N3O4

M.W. 389.41

T000802

Tadalafil EP Impurity B

CAS No. 629652-72-8

C22H19N3O4

M.W. 389.41

T000801

Tadalafil EP Impurity A

CAS No. 171596-27-3

C22H19N3O4

M.W. 389.41

S001945

Tryptophan Impurity H

CAS No. 6052-68-2

C12H12N2O2

M.W. 216.24

M000238

Moxifloxacin Impurity 28

CAS No. 1395056-41-3

C21H22FN3O5

M.W. 415.42

S021195

Sitagliptin Impurity 45

CAS No. 881995-73-9

C16H20F3NO4

M.W. 347.33

S002833

Empagliflozin Impurity 33

CAS No. 915095-94-2

C17H16ClIO2

M.W. 414.67

S002824

Vonoprazan Impurity 23

CAS No. 1610043-62-3

C12H13FN2

M.W. 204.25

S002823

Vonoprazan Impurity 67

CAS No. 1885094-62-1

C18H18FN3O2S

M.W. 359.42

S002822

Vonoprazan Impurity 11

CAS No. 2250243-23-1 (free base)

C33H28ClF2N5O4S2

M.W. 696.18