loratadine and its Impurities
Loratadine used to treat allergies. This includes allergic rhinitis and hives. It is sold under the brand name Claritin. Reference standards of Loratadine API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
Ethyl 4-(8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridine-11-ylidene)piperidin-2-ene-1-carboxylate
Ethyl 4-(8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridine-11-ylidene)piperidin-2-ene-1-carboxylate
Catalogue No.:PA 12 25600
CAS :
2471971-95-4
Molecular Formula : C22H21ClN2O2
Molecular Weight : 380.87
Ethyl 4-(8-chloro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxylate
Ethyl 4-(8-chloro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxylate
Catalogue No.:PA 12 25610
CAS :
133330-56-0
Molecular Formula : C22H21ClN2O2
Molecular Weight : 380.87
4-(8-Chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidine-1-carboxylic Acid
4-(8-Chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidine-1-carboxylic Acid
Catalogue No.:PA 12 25690
CAS :
2183453-63-4
Molecular Formula : C20H19ClN2O2
Molecular Weight : 354.84
4-[[3-[2-(3-Chlorophenyl)ethyl]-2-pyridinyl]carbonyl]-1-piperidinecarboxylic Acid Ethyl Ester
4-[[3-[2-(3-Chlorophenyl)ethyl]-2-pyridinyl]carbonyl]-1-piperidinecarboxylic Acid Ethyl Ester
Catalogue No.:PA 12 25700
CAS :
107256-32-6
Molecular Formula : C22H25ClN2O3
Molecular Weight : 400.9
Loratadine Related Compound C (8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one) (1370269)
Loratadine Related Compound C (8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one) (1370269)
Catalogue No.:PA USP1370269
CAS :
31251-41-9
Molecular Formula : NA
Molecular Weight : NA
Loratadine Related Compound A (8-chloro-6,11-dihydro-11(4-piperidylidene)-5H-benzo[5,6]cyclohepta[1 (1370280)
Loratadine Related Compound A (8-chloro-6,11-dihydro-11(4-piperidylidene)-5H-benzo[5,6]cyclohepta[1 (1370280)
Catalogue No.:PA USP1370280
CAS :
100643-71-8
Molecular Formula : NA
Molecular Weight : NA
Loratadine Related Compound B (8-Chloro-6,11-dihydro-11-(N-methyl-4-piperidinylidene)-5H-benzo[5,6] (1370291)
Loratadine Related Compound B (8-Chloro-6,11-dihydro-11-(N-methyl-4-piperidinylidene)-5H-benzo[5,6] (1370291)
Catalogue No.:PA USP1370291
CAS :
NA
Molecular Formula : NA
Molecular Weight : NA
Ethyl 4-(2-bromo-8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxylate
Ethyl 4-(2-bromo-8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxylate
Catalogue No.:PAI 12 001150
CAS :
NA
Molecular Formula : C22H22BrClN2O2
Molecular Weight : 461.78
(Z)-8-Chloro-11-(1-methyl-2,3-dihydropyridin-4(1H)-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine
(Z)-8-Chloro-11-(1-methyl-2,3-dihydropyridin-4(1H)-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine
Catalogue No.:PAI 12 001181
CAS :
NA
Molecular Formula : C20H19ClN2
Molecular Weight : 322.84
Ethyl 4-(8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)-3,6-dihydropyridine-1(2H)-carboxylate hydrochloride
Ethyl 4-(8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)-3,6-dihydropyridine-1(2H)-carboxylate hydrochloride
Catalogue No.:PA 12 0251006
CAS :
444995-23-7
Molecular Formula : C22H24Cl2N2O2
Molecular Weight : 419.35
(2S,3S,4S,5R,6S)-6-((8-Chloro-11-(piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-3-yl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylicacid,sodiumsalt
(2S,3S,4S,5R,6S)-6-((8-Chloro-11-(piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-3-yl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylicacid,sodiumsalt
Catalogue No.:PA 12 0251007
CAS :
NA
Molecular Formula : C25H26ClN2NaO7
Molecular Weight : 524.93
3-(4-(8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)-4,5-dihydroxy-5-methylcyclopent-2-en-1-one
3-(4-(8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)-4,5-dihydroxy-5-methylcyclopent-2-en-1-one
Catalogue No.:PA 12 0251008
CAS :
1419972-57-8
Molecular Formula : C25H25ClN2O3
Molecular Weight : 436.94
8-Chloro-11-(1-hydroxypiperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine 1-oxide
8-Chloro-11-(1-hydroxypiperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine 1-oxide
Catalogue No.:PA 12 0251011
CAS :
NA
Molecular Formula : C19H19ClN2O2
Molecular Weight : 342.82
Methyl (R)-3-(8-bromo-1-methyl-6-(pyridin-2-yl)-4H-benzo[f]imidazo[1,2-a][1,4]diazepin-4-yl)propanoate Benzenesulfonate
Methyl (R)-3-(8-bromo-1-methyl-6-(pyridin-2-yl)-4H-benzo[f]imidazo[1,2-a][1,4]diazepin-4-yl)propanoate Benzenesulfonate
Catalogue No.:PA 12 0251013
CAS :
1449295-46-8
Molecular Formula : C27H25BrN4O5S
Molecular Weight : 597.48