Impurity Standards

IP, USP and EP Compliant

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CEVIMELINE

Cevimeline Impurity 3

CAT No.-
CAS No.-
Mol. F.C16H28N2O2S2
Mol. W.344.53
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CETIRIZINE

Cetirizine Impurity 17 DiHCl (Mixture of Cetirizine Impurity 9 DiHCl and Cetirizine Impurity 10 DiHCl)

CAT No.-
CAS No.-
Mol. F.C24H31ClN2O4. 2 HCl
Mol. W.446.97 2 36.46
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CETIRIZINE

Cetirizine Impurity 18

CAT No.-
CAS No.-
Mol. F.C23H29ClN2O4
Mol. W.432.95
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CETIRIZINE

Cetirizine EP Impurity D DiHCl

CAT No.-
CAS No.856841-95-7
Mol. F.C30H28Cl2N2. 2 HCl
Mol. W.487.48 2 36.46
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CETIRIZINE

Cetirizine Sorbitol Ester Impurity HCl (Mixture ofDiastereomers)

CAT No.-
CAS No.13848888-64-5 (freebase)
Mol. F.C27H37ClN2O8. HCl
Mol. W.553.06 36.46
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CETIRIZINE

Cetirizine Impurity Y

CAT No.-
CAS No.-
Mol. F.C12H15NO6S
Mol. W.301.32
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CETIRIZINE

Cetirizine Impurity 13 DiHCl

CAT No.-
CAS No.-
Mol. F.C24H31ClN2O4
Mol. W.446.97
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CETIRIZINE

Cetirizine Impurity 9

CAT No.-
CAS No.-
Mol. F.C22H29ClN2O2
Mol. W.388.94
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CETIRIZINE

Cetirizine Impurity 14 DiHCl

CAT No.-
CAS No.-
Mol. F.C24H31ClN2O4
Mol. W.446.97
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CETIRIZINE

Cetirizine Impurity 11 ((R)-Cetirizine PropanediolEster)

CAT No.-
CAS No.-
Mol. F.C24H31ClN2O4
Mol. W.446.97
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