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Dhamtec Pharma and Consultants-

Impurity Standards

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Cetirizine EP Impurity F

Product Code:
DH /CTZ/1006		Molecular Formula:
C21H26N2O3.2HCl
CAS Number:
83881-54-3		Molecular Weight:
427.36
Synonyms: [2-[4-(Diphenylmethyl)piperazin-1-yl]ethoxy]acetic acid dihydrochloride


Cetirizine EP Impurity G

Product Code:
DH /CTZ/1007		Molecular Formula:
C19H25Cl3N2O
CAS Number:
728948-88-7		Molecular Weight:
403.77
Synonyms: 2-[4-[(RS)-(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethanol dihydrochloride


Cetirizine N-Oxide

Product Code:
DH /CTZ/1005		Molecular Formula:
C21H25ClN2O4
CAS Number:
1076199-80-8		Molecular Weight:
404.89
Synonyms: [2-[4-(4-Chlorophenyl)phenylmethyl]-1-oxido-1-piperazinyl]ethoxy]acetic Acid


(S)-Cetirizine DiHCl

Product Code:
DH /LCT/1001		Molecular Formula:
C21H27Cl3N2O3
CAS Number:
163837-48-7		Molecular Weight:
461.81
Synonyms: 2-[2-[(S)-4-[(4-Chlorophenyl)phenylmethyl]piperazine-1-yl]ethoxy]acetic acid dihydrochloride


3-Chloro Cetirizine Impurity

Product Code:
DH /CTZ/1010		Molecular Formula:
C21H25ClN₂O₃.2HCl
CAS Number:
1232460-29-5		Molecular Weight:
461.81
Synonyms: (RS)-2-[2-[4-[(3-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethoxy] acetic acid dihydrochloride


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