Azelastine-Impurities | Pharmaffiliates

azelastine

A histamine-H1-receptor antagonist, Azelastine is used in the treatment of rhinitis.It shows anti-histamine effect, mast-cell stabilizing effect and anti-inflammatory effect. Reference standards of Azelastine API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

stdClass Object
(
    [pname] => N-Desmethyl Azelastine
    [catalogue_number] => PA 01 98510
    [category_ids] => ,76,75,78,70,82,
    [chemical_name] => 
    [weight] => 367.87
    [form] => C21H22ClN3O
    [cas] => 47491-38-3
    [pslug] => 47491-38-3-n-desmethyl-azelastine-pa0198510
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PA 01 98510

N-Desmethyl Azelastine


  • Catalogue No.:PA 01 98510

  • CAS :

    47491-38-3

  • Molecular Formula : C21H22ClN3O

  • Molecular Weight : 367.87

stdClass Object
(
    [pname] => Azelastine 3-Chloro-Isomer
    [catalogue_number] => PA 01 98520
    [category_ids] => ,80,71,76,75,78,70,82,
    [chemical_name] => 
    [weight] => 381.9
    [form] => C22H24ClN3O
    [cas] => 37933-01-0
    [pslug] => 37933-01-0-azelastine-3-chloro-isomer-pa0198520
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PA 01 98520

Azelastine 3-Chloro-Isomer


  • Catalogue No.:PA 01 98520

  • CAS :

    37933-01-0

  • Molecular Formula : C22H24ClN3O

  • Molecular Weight : 381.9

stdClass Object
(
    [pname] => Azelastine N-Oxide (Mixture of Diastereomers)
    [catalogue_number] => PA 01 98530
    [category_ids] => ,70,71,75,76,78,80,82,
    [chemical_name] => 
    [weight] => 397.9
    [form] => C22H24ClN3O2
    [cas] => 640279-88-5
    [pslug] => 640279-88-5-azelastine-n-oxide-mixture-of-diastereomers-pa0198530
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PA 01 98530

Azelastine N-Oxide (Mixture of Diastereomers)


  • Catalogue No.:PA 01 98530

  • CAS :

    640279-88-5

  • Molecular Formula : C22H24ClN3O2

  • Molecular Weight : 397.9

stdClass Object
(
    [pname] => Azelastine 5-Member-Cyclic-Isomer Hydrochloride
    [catalogue_number] => PA 01 98540
    [category_ids] => 80,71,76,82,78,75,70
    [chemical_name] => 
    [weight] => 418.36
    [form] => C22H25Cl2N3O
    [cas] => 117078-70-3
    [pslug] => 117078-70-3-azelastine-5-member-cyclic-isomer-hydrochloride-pa0198540
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PA 01 98540

Azelastine 5-Member-Cyclic-Isomer Hydrochloride


  • Catalogue No.:PA 01 98540

  • CAS :

    117078-70-3

  • Molecular Formula : C22H25Cl2N3O

  • Molecular Weight : 418.36

stdClass Object
(
    [pname] => 4-Benzyl-2-(1-methylazepan-4-yl)phthalazin-1(2H)-one
    [catalogue_number] => PA 01 98550
    [category_ids] => ,80,71,76,75,78,70,82,
    [chemical_name] => 
    [weight] => 347.45
    [form] => C22H25N3O
    [cas] => NA
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PA 01 98550

4-Benzyl-2-(1-methylazepan-4-yl)phthalazin-1(2H)-one


  • Catalogue No.:PA 01 98550

  • CAS :

    NA

  • Molecular Formula : C22H25N3O

  • Molecular Weight : 347.45

stdClass Object
(
    [pname] => 4-(4-Chlorophenyl)-1H-2,3-benzoxazin-1-one
    [catalogue_number] => PA 01 98560
    [category_ids] => ,80,71,76,75,78,70,82,
    [chemical_name] => 
    [weight] => 257.67
    [form] => C14H8ClNO2
    [cas] => 2224-83-1
    [pslug] => 2224-83-1-4-4-chlorophenyl-1h-2-3-benzoxazin-1-one-pa0198560
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PA 01 98560

4-(4-Chlorophenyl)-1H-2,3-benzoxazin-1-one


  • Catalogue No.:PA 01 98560

  • CAS :

    2224-83-1

  • Molecular Formula : C14H8ClNO2

  • Molecular Weight : 257.67

stdClass Object
(
    [pname] => Azelastine-13C,d3 N-Oxide (Mixture of Diastereomers)
    [catalogue_number] => PA STI 009510
    [category_ids] => ,80,71,76,75,78,70,82,98,
    [chemical_name] => 
    [weight] => 401.91
    [form] => C2113CH21D3ClN3O2
    [cas] => 1346602-76-3
    [pslug] => 1346602-76-3-azelastine-13c-d3-n-oxide-mixture-of-diastereomers-pasti009510
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PA STI 009510

Azelastine-13C,d3 N-Oxide (Mixture of Diastereomers)


  • Catalogue No.:PA STI 009510

  • CAS :

    1346602-76-3

  • Molecular Formula : C2113CH21D3ClN3O2

  • Molecular Weight : 401.91

stdClass Object
(
    [pname] => N-Desmethyl Azelastine-d4
    [catalogue_number] => PA STI 028070
    [category_ids] => ,70,75,76,78,82,98,
    [chemical_name] => 
    [weight] => 371.9
    [form] => C21H18D4ClN3O
    [cas] => NA
    [pslug] => n-desmethyl-azelastine-d4-pasti028070
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PA STI 028070

N-Desmethyl Azelastine-d4


  • Catalogue No.:PA STI 028070

  • CAS :

    NA

  • Molecular Formula : C21H18D4ClN3O

  • Molecular Weight : 371.9

stdClass Object
(
    [pname] => 1-Methylazepan-4-one Hydrochloride
    [catalogue_number] => PA 28 0591000
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 163.65
    [form] => C7H14ClNO
    [cas] => 19869-42-2
    [pslug] => 19869-42-2-1-methylazepan-4-one-hydrochloride-pa280591000
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PA 28 0591000

1-Methylazepan-4-one Hydrochloride


  • Catalogue No.:PA 28 0591000

  • CAS :

    19869-42-2

  • Molecular Formula : C7H14ClNO

  • Molecular Weight : 163.65

stdClass Object
(
    [pname] => Mixture of two isomers: Z and E or (Cis and Trans)
    [catalogue_number] => PA 28 0591001
    [category_ids] => ,70,75,76,78,82,
    [chemical_name] => 
    [weight] => 256.69
    [form] => C15H9ClO2
    [cas] => NA
    [pslug] => azelastine-mixture-of-two-isomers-z-and-e-or-cis-and-trans-pa280591001
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PA 28 0591001

Mixture of two isomers: Z and E or (Cis and Trans)


  • Catalogue No.:PA 28 0591001

  • CAS :

    NA

  • Molecular Formula : C15H9ClO2

  • Molecular Weight : 256.69

stdClass Object
(
    [pname] => Azelastine D4 hydrochloride
    [catalogue_number] => PA STI 088908
    [category_ids] => ,98,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 422.39
    [form] => C22H21D4Cl2N3O
    [cas] => NA
    [pslug] => azelastine-d4-hydrochloride-pasti088908
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PA STI 088908

Azelastine D4 hydrochloride


  • Catalogue No.:PA STI 088908

  • CAS :

    NA

  • Molecular Formula : C22H21D4Cl2N3O

  • Molecular Weight : 422.39

stdClass Object
(
    [pname] => (R)-4-[(4-Chlorophenyl)methyl]-2-(hexahydro-1-methyl-1-oxido-1H-azepin-4-yl)-1(2H)-phthalazinone;
    [catalogue_number] => PA 28 0591002
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 397.9
    [form] => C22H24ClN3O2
    [cas] => 1346617-18-2
    [pslug] => 1346617-18-2-r-4-4-chlorophenyl-methyl-2-hexahydro-1-methyl-1-oxido-1h-azepin-4-yl-1-2h-phthalazinone-pa280591002
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PA 28 0591002

(R)-4-[(4-Chlorophenyl)methyl]-2-(hexahydro-1-methyl-1-oxido-1H-azepin-4-yl)-1(2H)-phthalazinone;


  • Catalogue No.:PA 28 0591002

  • CAS :

    1346617-18-2

  • Molecular Formula : C22H24ClN3O2

  • Molecular Weight : 397.9

stdClass Object
(
    [pname] => 4-(Chlorobenzyl)-2-(1-methylazepan-4-yl)phthalazin-1(2H)-one
    [catalogue_number] => PA 28 0591003
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 381.9
    [form] => C22H24ClN3O
    [cas] => 1228258-93-2
    [pslug] => 1228258-93-2-4-chlorobenzyl-2-1-methylazepan-4-yl-phthalazin-1-2h-one-pa280591003
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PA 28 0591003

4-(Chlorobenzyl)-2-(1-methylazepan-4-yl)phthalazin-1(2H)-one


  • Catalogue No.:PA 28 0591003

  • CAS :

    1228258-93-2

  • Molecular Formula : C22H24ClN3O

  • Molecular Weight : 381.9

stdClass Object
(
    [pname] => (S)-Azelastine N-Oxide
    [catalogue_number] => PA 28 0591004
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 397.9
    [form] => C22H24ClN3O2
    [cas] => 1346617-06-8
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PA 28 0591004

(S)-Azelastine N-Oxide


  • Catalogue No.:PA 28 0591004

  • CAS :

    1346617-06-8

  • Molecular Formula : C22H24ClN3O2

  • Molecular Weight : 397.9

stdClass Object
(
    [pname] => N-Benzoylnitrous hydrazide
    [catalogue_number] => PA 28 0591006
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 165.15
    [form] => C7H7N3O2
    [cas] => NA
    [pslug] => n-benzoylnitrous-hydrazide-pa280591006
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PA 28 0591006

N-Benzoylnitrous hydrazide


  • Catalogue No.:PA 28 0591006

  • CAS :

    NA

  • Molecular Formula : C7H7N3O2

  • Molecular Weight : 165.15

stdClass Object
(
    [pname] => 4-(2-Chlorobenzyl)-2-(1-methylazepan-4-yl)phthalazin-1(2H)-one
    [catalogue_number] => PA 28 0591007
    [category_ids] => ,76,78,70,82,
    [chemical_name] => 
    [weight] => 381.9
    [form] => C22H24ClN3O
    [cas] => 752922-66-0
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PA 28 0591007

4-(2-Chlorobenzyl)-2-(1-methylazepan-4-yl)phthalazin-1(2H)-one


  • Catalogue No.:PA 28 0591007

  • CAS :

    752922-66-0

  • Molecular Formula : C22H24ClN3O

  • Molecular Weight : 381.9