Carbidopa-impurities | Pharmaffiliates

carbidopa

Carbidopa is used with another medicine called levodopa to treat the symptoms of Parkinson's disease. The pharmacologic objective is to get an exogenous dopamine-precursor known as levodopa/L-DOPA into the dopamine-deficient brains of PD patients.. Reference standards of Carbidopa API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below

stdClass Object
(
    [pname] => Carbidopa - Impurity B
    [catalogue_number] => PA 30 14020
    [category_ids] => 79,80,75,78
    [chemical_name] => 
    [weight] => 225.24
    [form] => C11H15NO4
    [cas] => 18181-08-3
    [pslug] => 18181-08-3-carbidopa-impurity-b-pa3014020
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PA 30 14020

Carbidopa - Impurity B


  • Catalogue No.:PA 30 14020

  • CAS :

    18181-08-3

  • Molecular Formula : C11H15NO4

  • Molecular Weight : 225.24

stdClass Object
(
    [pname] => 3-O-Methyl Carbidopa (Mixture)
    [catalogue_number] => PA 30 14030
    [category_ids] => 82,78,75,70,80,81,97
    [chemical_name] => 
    [weight] => 240.26
    [form] => C11H16N2O4
    [cas] => 85933-19-3
    [pslug] => 85933-19-3-3-O-methyl-carbidopa-mixture-pa3014030
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PA 30 14030

3-O-Methyl Carbidopa (Mixture)


  • Catalogue No.:PA 30 14030

  • CAS :

    85933-19-3

  • Molecular Formula : C11H16N2O4

  • Molecular Weight : 240.26

stdClass Object
(
    [pname] => Carbidopa - Impurity D
    [catalogue_number] => PA 30 14040
    [category_ids] => ,79,80,75,78,70,82,
    [chemical_name] => 
    [weight] => 320.38
    [form] => C17H24N2O4
    [cas] => 934371-48-9
    [pslug] => 934371-48-9-carbidopa-impurity-d-pa3014040
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PA 30 14040

Carbidopa - Impurity D


  • Catalogue No.:PA 30 14040

  • CAS :

    934371-48-9

  • Molecular Formula : C17H24N2O4

  • Molecular Weight : 320.38

stdClass Object
(
    [pname] => Carbidopa - Impurity E
    [catalogue_number] => PA 30 14050
    [category_ids] => ,79,80,78,75,
    [chemical_name] => 
    [weight] => 240.26
    [form] => C11H16N2O4
    [cas] => 52514-63-3
    [pslug] => 52514-63-3-carbidopa-impurity-e-pa3014050
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PA 30 14050

Carbidopa - Impurity E


  • Catalogue No.:PA 30 14050

  • CAS :

    52514-63-3

  • Molecular Formula : C11H16N2O4

  • Molecular Weight : 240.26

stdClass Object
(
    [pname] => Carbidopa - Impurity F
    [catalogue_number] => PA 30 14060
    [category_ids] => ,79,80,78,75,
    [chemical_name] => 
    [weight] => 254.28
    [form] => C12H18N2O4
    [cas] => 1458640-32-8
    [pslug] => 1458640-32-8-carbidopa-impurity-f-pa3014060
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PA 30 14060

Carbidopa - Impurity F


  • Catalogue No.:PA 30 14060

  • CAS :

    1458640-32-8

  • Molecular Formula : C12H18N2O4

  • Molecular Weight : 254.28

stdClass Object
(
    [pname] => Carbidopa - Impurity H
    [catalogue_number] => PA 30 14080
    [category_ids] => ,79,80,78,75,
    [chemical_name] => 
    [weight] => 240.26
    [form] => C11H16N2O4
    [cas] => 1361017-74-4
    [pslug] => 1361017-74-4-carbidopa-impurity-h-pa3014080
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PA 30 14080

Carbidopa - Impurity H


  • Catalogue No.:PA 30 14080

  • CAS :

    1361017-74-4

  • Molecular Formula : C11H16N2O4

  • Molecular Weight : 240.26

stdClass Object
(
    [pname] => Carbidopa - Impurity I
    [catalogue_number] => PA 30 14090
    [category_ids] => ,79,80,75,78,70,82,
    [chemical_name] => 
    [weight] => 305.13
    [form] => C10H13BrN2O4
    [cas] => 1246819-09-9
    [pslug] => 1246819-09-9-carbidopa-impurity-i-pa3014090
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PA 30 14090

Carbidopa - Impurity I


  • Catalogue No.:PA 30 14090

  • CAS :

    1246819-09-9

  • Molecular Formula : C10H13BrN2O4

  • Molecular Weight : 305.13

stdClass Object
(
    [pname] => Carbidopa - Impurity J
    [catalogue_number] => PA 30 14100
    [category_ids] => ,79,80,75,78,70,82,
    [chemical_name] => 
    [weight] => 305.13
    [form] => C10H13BrN2O4
    [cas] => 43197-33-7
    [pslug] => 43197-33-7-carbidopa-impurity-j-pa3014100
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PA 30 14100

Carbidopa - Impurity J


  • Catalogue No.:PA 30 14100

  • CAS :

    43197-33-7

  • Molecular Formula : C10H13BrN2O4

  • Molecular Weight : 305.13

stdClass Object
(
    [pname] => Carbidopa - Impurity G
    [catalogue_number] => PA 30 14510
    [category_ids] => ,75,76,80,81,
    [chemical_name] => 
    [weight] => 166.17
    [form] => C9H10O3
    [cas] => 2503-44-8
    [pslug] => 2503-44-8-carbidopa-impurity-g-pa3014510
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PA 30 14510

Carbidopa - Impurity G


  • Catalogue No.:PA 30 14510

  • CAS :

    2503-44-8

  • Molecular Formula : C9H10O3

  • Molecular Weight : 166.17

stdClass Object
(
    [pname] => 3-(3,4-Dihydroxyphenyl)-2-methylpropanoic Acid
    [catalogue_number] => PA 30 14520
    [category_ids] => ,80,81,76,75,
    [chemical_name] => 
    [weight] => 196.2
    [form] => C10H12O4
    [cas] => 53832-94-3
    [pslug] => 53832-94-3-3-3-4-dihydroxyphenyl-2-methylpropanoic-acid-pa3014520
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PA 30 14520

3-(3,4-Dihydroxyphenyl)-2-methylpropanoic Acid


  • Catalogue No.:PA 30 14520

  • CAS :

    53832-94-3

  • Molecular Formula : C10H12O4

  • Molecular Weight : 196.2

stdClass Object
(
    [pname] => 3-O-Methyl Carbidopa-d5
    [catalogue_number] => PA STI 060910
    [category_ids] => ,97,80,75,81,98,78,70,82,
    [chemical_name] => 
    [weight] => 245.29
    [form] => C11H11D5N2O4
    [cas] => 1794810-91-5
    [pslug] => 1794810-91-5-3-o-methyl-carbidopa-d5-pasti060910
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PA STI 060910

3-O-Methyl Carbidopa-d5


  • Catalogue No.:PA STI 060910

  • CAS :

    1794810-91-5

  • Molecular Formula : C11H11D5N2O4

  • Molecular Weight : 245.29

stdClass Object
(
    [pname] => 1-(2-Bromo-4-hydroxy-5-methoxyphenyl)-2-propanone
    [catalogue_number] => PA 30 0141000
    [category_ids] => ,123,81,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 259.10
    [form] => C10H11BrO3
    [cas] => 1017083-10-1
    [pslug] => 1017083-10-1-1-2-bromo-4-hydroxy-5-methoxyphenyl-2-propanone-pa300141000
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PA 30 0141000

1-(2-Bromo-4-hydroxy-5-methoxyphenyl)-2-propanone


  • Catalogue No.:PA 30 0141000

  • CAS :

    1017083-10-1

  • Molecular Formula : C10H11BrO3

  • Molecular Weight : 259.10

stdClass Object
(
    [pname] => 2-Hydrazino-α-(4-hydroxy-3-methoxybenzyl)propionitrile
    [catalogue_number] => PAI 03 037051
    [category_ids] => ,78,75,70,76,82,
    [chemical_name] => 
    [weight] => 221.26
    [form] => C11H15N3O2
    [cas] => 40248-56-4
    [pslug] => 40248-56-4-2-hydrazino-alpha-4-hydroxy-3-methoxybenzyl-propionitrile-pai03037051
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PAI 03 037051

2-Hydrazino-α-(4-hydroxy-3-methoxybenzyl)propionitrile


  • Catalogue No.:PAI 03 037051

  • CAS :

    40248-56-4

  • Molecular Formula : C11H15N3O2

  • Molecular Weight : 221.26

stdClass Object
(
    [pname] => (R)-Carbidopa Methyl Ester N-Cyclohexylidene
    [catalogue_number] => PA 30 0141001
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 320.39
    [form] => C17H24N2O4
    [cas] => NA
    [pslug] => r-carbidopa-methyl-ester-n-cyclohexylidene-pa300141001
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PA 30 0141001

(R)-Carbidopa Methyl Ester N-Cyclohexylidene


  • Catalogue No.:PA 30 0141001

  • CAS :

    NA

  • Molecular Formula : C17H24N2O4

  • Molecular Weight : 320.39

stdClass Object
(
    [pname] => D,L-Carbidopa
    [catalogue_number] => PA 30 0141002
    [category_ids] => ,78,75,70,76,82,
    [chemical_name] => 
    [weight] => 226.23
    [form] => C10H14N2O4
    [cas] => 302-53-4
    [pslug] => 302-53-4-d-l-carbidopa-pa300141002
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PA 30 0141002

D,L-Carbidopa


  • Catalogue No.:PA 30 0141002

  • CAS :

    302-53-4

  • Molecular Formula : C10H14N2O4

  • Molecular Weight : 226.23

stdClass Object
(
    [pname] => 3-(3-bromo-4,5-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoic acid
    [catalogue_number] => PA 30 0141003
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 305.13
    [form] =>  C10H13BrN2O4
    [cas] => NA
    [pslug] => 3-3-bromo-4-5-dihydroxyphenyl-2-hydrazinyl-2-methylpropanoic-acid-pa300141003
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PA 30 0141003

3-(3-bromo-4,5-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoic acid


  • Catalogue No.:PA 30 0141003

  • CAS :

    NA

  • Molecular Formula : C10H13BrN2O4

  • Molecular Weight : 305.13

stdClass Object
(
    [pname] => 2-Amino-3-(3,4-dimethoxyphenyl)-2-methylpropanenitrile
    [catalogue_number] => PA 30 0141004
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 220.27
    [form] => C12H16N2O2
    [cas] => 2543-46-6
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PA 30 0141004

2-Amino-3-(3,4-dimethoxyphenyl)-2-methylpropanenitrile


  • Catalogue No.:PA 30 0141004

  • CAS :

    2543-46-6

  • Molecular Formula : C12H16N2O2

  • Molecular Weight : 220.27

stdClass Object
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    [pname] => (S)-2-Amino-3-(3,4-dimethoxyphenyl)-2-methylpropanenitrile
    [catalogue_number] => PA 30 0141005
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    [chemical_name] => 
    [weight] => 220.27
    [form] => C12H16N2O2
    [cas] => 54716-90-4
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PA 30 0141005

(S)-2-Amino-3-(3,4-dimethoxyphenyl)-2-methylpropanenitrile


  • Catalogue No.:PA 30 0141005

  • CAS :

    54716-90-4

  • Molecular Formula : C12H16N2O2

  • Molecular Weight : 220.27

stdClass Object
(
    [pname] => Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate
    [catalogue_number] => PA 30 0141006
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 240.26
    [form] => C11H16N2O4
    [cas] => 91431-01-5
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PA 30 0141006

Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate


  • Catalogue No.:PA 30 0141006

  • CAS :

    91431-01-5

  • Molecular Formula : C11H16N2O4

  • Molecular Weight : 240.26

stdClass Object
(
    [pname] => Ethyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate hydrochloride
    [catalogue_number] => PA 30 0141007
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 290.74
    [form] => C12H19ClN2O4
    [cas] => 96115-88-7
    [pslug] => 96115-88-7-ethyl-3-3-4-dihydroxyphenyl-2-hydrazinyl-2-methylpropanoate-hydrochloride-pa300141007
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PA 30 0141007

Ethyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate hydrochloride


  • Catalogue No.:PA 30 0141007

  • CAS :

    96115-88-7

  • Molecular Formula : C12H19ClN2O4

  • Molecular Weight : 290.74

stdClass Object
(
    [pname] => R-(+)-Carbidopa
    [catalogue_number] => PA 30 0141009
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 226.23
    [form] => C10H14N2O4
    [cas] => 28875-92-5
    [pslug] => 28875-92-5-r-carbidopa-pa300141009
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PA 30 0141009

R-(+)-Carbidopa


  • Catalogue No.:PA 30 0141009

  • CAS :

    28875-92-5

  • Molecular Formula : C10H14N2O4

  • Molecular Weight : 226.23

stdClass Object
(
    [pname] => Carbidopa - Impurity C
    [catalogue_number] => PA 30 0140030
    [category_ids] => ,70,75,78,80,81,82,97,
    [chemical_name] => 
    [weight] => 240.26
    [form] => C11H16N2O4
    [cas] => 84488-77-7
    [pslug] => 84488-77-7-carbidopa-impurity-c-pa300140030
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PA 30 0140030

Carbidopa - Impurity C


  • Catalogue No.:PA 30 0140030

  • CAS :

    84488-77-7

  • Molecular Formula : C11H16N2O4

  • Molecular Weight : 240.26