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    Home / LORATADINE / Dehydro Loratadine Isomer A (Mixture of cis and trans Isomers)
    Dehydro Loratadine Isomer A (Mixture of cis and trans Isomers)

    Dehydro Loratadine Isomer A (Mixture of cis and trans Isomers)

    Synonym

    ethyl4-(8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)-3,4-dihydropyridine-1(2H)-carboxylate

    Molecular Formula

    C22H21ClN2O2

    Molecular Weight

    380.87

    Catalogue Number

    AR-L01891

    Parent Drug

    LORATADINE

    Common Package:10,25,50,100 mg

    Collections: LORATADINE

    Category: AR-L01891 C22H21ClN2O2 LORATADINE

    RELATED PRODUCTS
    8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ol

    Synonym

    8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ol

    Molecular Formula

    C14H12ClNO

    Molecular Weight

    245.71

    Catalogue Number

    AR-L01914

    Parent Drug

    LORATADINE

    CAS Number

    133330-72-0
    3-(3-chlorophenethyl)-2-((1-methylpiperidin-4-yl)methyl)pyridine

    Synonym

    3-(3-chlorophenethyl)-2-((1-methylpiperidin-4-yl)methyl)pyridine

    Molecular Formula

    C20H25ClN2

    Molecular Weight

    328.88

    Catalogue Number

    AR-L01913

    Parent Drug

    LORATADINE
    (1-methylpiperidin-4-yl)(3-phenethylpyridin-2-yl)methanone

    Synonym

    (1-methylpiperidin-4-yl)(3-phenethylpyridin-2-yl)methanone

    Molecular Formula

    C20H24N2O

    Molecular Weight

    308.43

    Catalogue Number

    AR-L01912

    Parent Drug

    LORATADINE

    CAS Number

    38093-13-9
    8-Dechloro-10-chloro Loratadine

    Synonym

    ethyl4-(10-chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidine-1-carboxylate

    Molecular Formula

    C22H23ClN2O2

    Molecular Weight

    382.89

    Catalogue Number

    AR-L01911

    Parent Drug

    LORATADINE

    CAS Number

    1346605-16-0
    Dehydro Loratadine Isomer B

    Synonym

    Ethyl 4-(8-chloro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxylate

    Molecular Formula

    C22H21ClN2O2

    Molecular Weight

    380.88

    Catalogue Number

    AR-L01910

    Parent Drug

    LORATADINE
    (E)-8-chloro-11-(2,3-dihydropyridin-4(1H)-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine

    Synonym

    (E)-8-chloro-11-(2,3-dihydropyridin-4(1H)-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine

    Molecular Formula

    C19H17ClN2

    Molecular Weight

    308.81

    Catalogue Number

    AR-L01909

    Parent Drug

    LORATADINE
    Loratadine N-Oxide

    Synonym

    8-chloro-11-(1-(ethoxycarbonyl)piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine1-oxide

    Molecular Formula

    C22H23ClN2O3

    Molecular Weight

    398.89

    Catalogue Number

    AR-L01908

    Parent Drug

    LORATADINE

    CAS Number

    165739-62-8
    ethyl4-(4-acetyl-8-chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidine-1-carboxylate

    Synonym

    ethyl4-(4-acetyl-8-chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidine-1-carboxylate

    Molecular Formula

    C24H25ClN2O3

    Molecular Weight

    424.93

    Catalogue Number

    AR-L01907

    Parent Drug

    LORATADINE
    ethyl4-(2-acetyl-8-chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidine-1-carboxylate

    Synonym

    ethyl4-(2-acetyl-8-chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidine-1-carboxylate

    Molecular Formula

    C24H25ClN2O3

    Molecular Weight

    424.93

    Catalogue Number

    AR-L01906

    Parent Drug

    LORATADINE
    3-Hydroxy Loratadine

    Synonym

    ethyl4-(8-chloro-3-hydroxy-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidine-1-carboxylate

    Molecular Formula

    C22H23ClN2O3

    Molecular Weight

    398.89

    Catalogue Number

    AR-L01905

    Parent Drug

    LORATADINE

    CAS Number

    183483-15-0
    Desloratadine Citric Amide

    Synonym

    2-(2-(4-(8-chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidin-1-yl)-2-oxoethyl)-2-hydroxysuccinicacid

    Molecular Formula

    C25H25ClN2O6

    Molecular Weight

    484.93

    Catalogue Number

    AR-L01904

    Parent Drug

    LORATADINE

    CAS Number

    1797131-43-1
    8-chloro-11-fluoro-11-(1-methylpiperidin-4-yl)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine

    Synonym

    8-chloro-11-fluoro-11-(1-methylpiperidin-4-yl)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine

    Molecular Formula

    C20H22ClFN2

    Molecular Weight

    344.86

    Catalogue Number

    AR-L01903

    Parent Drug

    LORATADINE
    4,8-dichloro-11-(piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine

    Synonym

    4,8-dichloro-11-(piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine

    Molecular Formula

    C19H18Cl2N2

    Molecular Weight

    345.27

    Catalogue Number

    AR-L01902

    Parent Drug

    LORATADINE
    11-Hydroxy Dihydro Desloratadine

    Synonym

    8-chloro-11-(piperidin-4-yl)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ol

    Molecular Formula

    C19H21ClN2O

    Molecular Weight

    328.84

    Catalogue Number

    AR-L01901

    Parent Drug

    LORATADINE

    CAS Number

    153200-97-6
    2,8-dichloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-one

    Synonym

    2,8-dichloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-one

    Molecular Formula

    C14H9Cl2NO

    Molecular Weight

    278.14

    Catalogue Number

    AR-L01900

    Parent Drug

    LORATADINE

    CAS Number

    133330-61-7
    4-(8-chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidine-1-carboxylicacid

    Synonym

    4-(8-chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidine-1-carboxylicacid

    Molecular Formula

    C20H19ClN2O2

    Molecular Weight

    354.84

    Catalogue Number

    AR-L01899

    Parent Drug

    LORATADINE
    8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridinehydrochloride

    Synonym

    8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridinehydrochloride

    Molecular Formula

    C14H12ClN. HCl

    Molecular Weight

    229.71 36.46

    Catalogue Number

    AR-L01898

    Parent Drug

    LORATADINE

    CAS Number

    38093-12-8 (free base)
    (S)-ethyl4-(8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)piperidine-1-carboxylate

    Synonym

    (S)-ethyl4-(8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)piperidine-1-carboxylate

    Molecular Formula

    C22H25ClN2O2

    Molecular Weight

    384.91

    Catalogue Number

    AR-L01897

    Parent Drug

    LORATADINE
    (S)-8-chloro-11-(1-methylpiperidin-4-yl)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ol

    Synonym

    (S)-8-chloro-11-(1-methylpiperidin-4-yl)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ol

    Molecular Formula

    C20H23ClN2O

    Molecular Weight

    342.87

    Catalogue Number

    AR-L01896

    Parent Drug

    LORATADINE
    ethyl4-(8-bromo-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidine-1-carboxylate

    Synonym

    ethyl4-(8-bromo-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidine-1-carboxylate

    Molecular Formula

    C22H23BrN2O2

    Molecular Weight

    427.34

    Catalogue Number

    AR-L01895

    Parent Drug

    LORATADINE
    ethyl4-(6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)piperidine-1-carboxylate

    Synonym

    ethyl4-(6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)piperidine-1-carboxylate

    Molecular Formula

    C22H26N2O2

    Molecular Weight

    350.46

    Catalogue Number

    AR-L01894

    Parent Drug

    LORATADINE

    CAS Number

    201466-35-5
    12-Fluoro Dihydroloratadine

    Synonym

    ethyl 4-(8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)-4-fluoropiperidine-1-carboxylate

    Molecular Formula

    C22H24ClFN2O2

    Molecular Weight

    402.90

    Catalogue Number

    AR-L01893

    Parent Drug

    LORATADINE

    CAS Number

    125743-79-5
    Methyl Analogue of Loratadine

    Synonym

    methyl4-(8-chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidine-1-carboxylate

    Molecular Formula

    C21H21ClN2O2

    Molecular Weight

    368.87

    Catalogue Number

    AR-L01890

    Parent Drug

    LORATADINE
    Desloratadine Methanone Impurity

    Synonym

    (3-(3-chlorophenethyl)pyridin-2-yl)(1-methylpiperidin-4-yl)methanonehydrochloride

    Molecular Formula

    C20H23ClN2O. HCl

    Molecular Weight

    342.87 36.46

    Catalogue Number

    AR-L01889

    Parent Drug

    LORATADINE

    CAS Number

    119770-60-4
    Loratadine Side Chain Impurity

    Synonym

    4-(4-acetylpiperazin-1-yl)phenylacetate

    Molecular Formula

    C14H18N2O3

    Molecular Weight

    262.31

    Catalogue Number

    AR-L01888

    Parent Drug

    LORATADINE

    CAS Number

    133345-21-8
    Loratadine Impurity (Ethyl 4-{[3-[2-(3-Chlorophenyl]-2-Pyridinyl]carbonyl}-1-Piperidinecarboxylayte)

    Synonym

    ethyl4-(3-(3-chlorophenethyl)picolinoyl)piperidine-1-carboxylate

    Molecular Formula

    C22H25ClN2O3

    Molecular Weight

    400.91

    Catalogue Number

    AR-L01887

    Parent Drug

    LORATADINE

    CAS Number

    107256-32-6
    Loratadine EP Impurity E (Iso Loratadine)

    Synonym

    ethyl4-(8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)-5,6-dihydropyridine-1(2H)-carboxylate

    Molecular Formula

    C22H23ClN2O2

    Molecular Weight

    382.89

    Catalogue Number

    AR-L01886

    Parent Drug

    LORATADINE

    CAS Number

    170727-59-0
    12-Hydroxy Loratadine

    Synonym

    ethyl4-(8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)-4-hydroxypiperidine-1-carboxylate

    Molecular Formula

    C22H25ClN2O3

    Molecular Weight

    400.91

    Catalogue Number

    AR-L01885

    Parent Drug

    LORATADINE
    Loratadine EP Impurity F

    Synonym

    ethyl4-(8-chloro-11-fluoro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)piperidine-1-carboxylate

    Molecular Formula

    C22H24ClFN2O2

    Molecular Weight

    402.90

    Catalogue Number

    AR-L01884

    Parent Drug

    LORATADINE

    CAS Number

    125743-80-8
    N-Acetyl Desloratadine

    Synonym

    1-(4-(8-chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidin-1-yl)ethanone

    Molecular Formula

    C21H21ClN2O

    Molecular Weight

    352.87

    Catalogue Number

    AR-L01883

    Parent Drug

    LORATADINE

    CAS Number

    117796-52-8
    Desloratadine EP Impurity A HCl (11-Fluoro Desloratadine HCl)

    Synonym

    8-chloro-11-fluoro-11-(piperidin-4-yl)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridinehydrochloride

    Molecular Formula

    C19H20ClFN2. HCl

    Molecular Weight

    330.84 36.46

    Catalogue Number

    AR-L01882

    Parent Drug

    LORATADINE

    CAS Number

    298220-99-2 (free base)
    4-[[3-[2-(3-Chlorophenyl)ethyl]-2-pyridinyl]carbonyl]-1-piperidinecarboxylic Acid

    Synonym

    4-(3-(3-chlorophenethyl)picolinoyl)piperidine-1-carboxylicacid

    Molecular Formula

    C20H21ClN2O3

    Molecular Weight

    372.85

    Catalogue Number

    AR-L01881

    Parent Drug

    LORATADINE

    CAS Number

    N/A
    Desloratadine Impurity C

    Synonym

    8-chloro-11-(piperidin-4-ylidene)-11H-benzo[5,6]cyclohepta[1,2-b]pyridine

    Molecular Formula

    C19H17ClN2

    Molecular Weight

    308.81

    Catalogue Number

    AR-L01880

    Parent Drug

    LORATADINE

    CAS Number

    117811-20-8
    Desloratadine USP Related Compound A

    Synonym

    8-bromo-11-(piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine;Ā  8-Deschloro-8-bromo Desloratadine

    Molecular Formula

    C19H19BrN2

    Molecular Weight

    355.28

    Catalogue Number

    AR-L01879

    Parent Drug

    LORATADINE

    CAS Number

    117796-50-6
    Desloratadine Impurity A (N-Desmethyl Azatadine)

    Synonym

    11-(piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine

    Molecular Formula

    C19H20N2

    Molecular Weight

    276.38

    Catalogue Number

    AR-L01878

    Parent Drug

    LORATADINE

    CAS Number

    38092-95-4
    Desloratadine Impurity Disodium Salt

    Synonym

    2-(2-(4-(8-chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidin-1-yl)-2-oxoethyl)-2-hydroxysuccinicacid,disodiumsalt

    Molecular Formula

    C25H23ClN2O6. 2 Na

    Molecular Weight

    482.92 2 22.99

    Catalogue Number

    AR-L01877

    Parent Drug

    LORATADINE

    CAS Number

    N/A
    Desloratadine Pyridine N-Oxide

    Synonym

    8-chloro-11-(piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine1-oxide

    Molecular Formula

    C19H19ClN2O

    Molecular Weight

    326.83

    Catalogue Number

    AR-L01876

    Parent Drug

    LORATADINE

    CAS Number

    169253-26-3
    Desloratadine N-Hydroxypiperidine

    Synonym

    4-(8-chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidin-1-ol

    Molecular Formula

    C19H19ClN2O

    Molecular Weight

    326.82

    Catalogue Number

    AR-L01875

    Parent Drug

    LORATADINE

    CAS Number

    1193725-73-3
    Desloratadine EP Impurity B (Iso Desloratadine HCl)

    Synonym

    8-chloro-11-(1,2,3,6-tetrahydropyridin-4-yl)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridinehydrochloride

    Molecular Formula

    C19H19ClN2. HCl

    Molecular Weight

    310.83 36.46

    Catalogue Number

    AR-L01874

    Parent Drug

    LORATADINE

    CAS Number

    183198-49-4 (free base)
    Loratadine EP Impurity C

    Synonym

    ethyl4-(4,8-dichloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidine-1-carboxylate

    Molecular Formula

    C22H22Cl2N2O2

    Molecular Weight

    417.33

    Catalogue Number

    AR-L01871

    Parent Drug

    LORATADINE

    CAS Number

    165739-83-3
    Loratadine Impurity E

    Synonym

    4,8-dichloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-one

    Molecular Formula

    C14H9Cl2NO

    Molecular Weight

    278.14

    Catalogue Number

    AR-L01869

    Parent Drug

    LORATADINE

    CAS Number

    133330-60-6
    Loratadine EP Impurity B

    Synonym

    8-chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-one

    Molecular Formula

    C14H10ClNO

    Molecular Weight

    243.69

    Catalogue Number

    AR-L01867

    Parent Drug

    LORATADINE

    CAS Number

    31251-41-9
    8-Dechloro-10-chloro-N-methyl Desloratadine

    Synonym

    10-chloro-11-(1-methylpiperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine

    Molecular Formula

    C20H21ClN2

    Molecular Weight

    324.86

    Catalogue Number

    AR-L01866

    Parent Drug

    LORATADINE

    CAS Number

    38092-90-9
    9-chloro-11-(1-methylpiperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine

    Synonym

    9-chloro-11-(1-methylpiperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine

    Molecular Formula

    C20H21ClN2

    Molecular Weight

    324.85

    Catalogue Number

    AR-L01865

    Parent Drug

    LORATADINE

    CAS Number

    38092-88-5
    8-Dechloro-7-chloro-N-methyl Desloratadine

    Synonym

    7-chloro-11-(1-methylpiperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine

    Molecular Formula

    C20H21ClN2

    Molecular Weight

    324.85

    Catalogue Number

    AR-L01864

    Parent Drug

    LORATADINE

    CAS Number

    1346600-30-3
    10-chloro-11-(piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine

    Synonym

    10-chloro-11-(piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine

    Molecular Formula

    C19H19ClN2

    Molecular Weight

    310.83

    Catalogue Number

    AR-L01863

    Parent Drug

    LORATADINE

    CAS Number

    1346600-61-0
    9-chloro-11-(piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine

    Synonym

    9-chloro-11-(piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine

    Molecular Formula

    C19H19ClN2

    Molecular Weight

    310.83

    Catalogue Number

    AR-L01862

    Parent Drug

    LORATADINE

    CAS Number

    117811-13-9
    Desloratadine 8-Dechloro-7-Chloro Impurity

    Synonym

    7-chloro-11-(piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine

    Molecular Formula

    C19H19ClN2

    Molecular Weight

    310.83

    Catalogue Number

    AR-L01861

    Parent Drug

    LORATADINE

    CAS Number

    1346601-53-3
    3-Hydroxy Desloratadine

    Synonym

    8-chloro-11-(piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-3-ol

    Molecular Formula

    C19H19ClN2O

    Molecular Weight

    326.82

    Catalogue Number

    AR-L01860

    Parent Drug

    LORATADINE

    CAS Number

    119410-08-1