Levodopa-impurities | Pharmaffiliates

levodopa

Also known as L-Dopa which is an amino acid that acts as a precursor for neurotransmitters catecholamines (dopamine, norepinephrine, and epinephrine). Levodopa is used in the treatment of Parkinson's disease and dopamine-responsive dystonia. Reference standards of Levodopa API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

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    [pname] => Levodopa - API Standards 
    [catalogue_number] => PA 12 12000
    [category_ids] => 97,93,69,70,78,82
    [chemical_name] => 
    [weight] => 197.19
    [form] => C9H11NO4
    [cas] => 59-92-7
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PA 12 12000

Levodopa - API Standards


  • Catalogue No.:PA 12 12000

  • CAS :

    59-92-7

  • Molecular Formula : C9H11NO4

  • Molecular Weight : 197.19

20% OFF
stdClass Object
(
    [pname] => Levodopa - Impurity D
    [catalogue_number] => PA 12 12040
    [category_ids] => 97,93,69
    [chemical_name] => 
    [weight] => 197.19
    [form] => C9H11NO4
    [cas] => 5796-17-8
    [pslug] => 5796-17-8-levodopa-impurity-d-pa1212040
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PA 12 12040

Levodopa - Impurity D


  • Catalogue No.:PA 12 12040

  • CAS :

    5796-17-8

  • Molecular Formula : C9H11NO4

  • Molecular Weight : 197.19

stdClass Object
(
    [pname] => Levodopa - Impurity A
    [catalogue_number] => PA 12 12570
    [category_ids] => ,97,80,93,78,70,82,
    [chemical_name] => 
    [weight] => 213.19
    [form] => C9H11NO5
    [cas] => 27244-64-0
    [pslug] => 27244-64-0-levodopa-impurity-a-pa1212570
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PA 12 12570

Levodopa - Impurity A


  • Catalogue No.:PA 12 12570

  • CAS :

    27244-64-0

  • Molecular Formula : C9H11NO5

  • Molecular Weight : 213.19

stdClass Object
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    [pname] => 3-O-Methyl-L-DOPA-d3 Monohydrate
    [catalogue_number] => PA STI 061300
    [category_ids] => ,97,98,93,78,70,82,
    [chemical_name] => 
    [weight] => 232.25
    [form] => C10H12D3NO5
    [cas] => NA
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PA STI 061300

3-O-Methyl-L-DOPA-d3 Monohydrate


  • Catalogue No.:PA STI 061300

  • CAS :

    NA

  • Molecular Formula : C10H12D3NO5

  • Molecular Weight : 232.25

stdClass Object
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    [pname] => 3-O-Methyl-L-DOPA-d3 Methyl Ester
    [catalogue_number] => PA STI 061310
    [category_ids] => ,97,98,93,78,70,82,
    [chemical_name] => 
    [weight] => 228.26
    [form] => C11H12D3NO4
    [cas] => 1795785-77-1
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PA STI 061310

3-O-Methyl-L-DOPA-d3 Methyl Ester


  • Catalogue No.:PA STI 061310

  • CAS :

    1795785-77-1

  • Molecular Formula : C11H12D3NO4

  • Molecular Weight : 228.26

stdClass Object
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    [pname] => 3-O-Methyl-L-DOPA-d3 4-Glucuronide 
    [catalogue_number] => PA STI 061320
    [category_ids] => ,70,78,82,93,97,98,95,
    [chemical_name] => 
    [weight] => 390.36
    [form] => C16H18D3NO10
    [cas] => NA
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PA STI 061320

3-O-Methyl-L-DOPA-d3 4-Glucuronide


  • Catalogue No.:PA STI 061320

  • CAS :

    NA

  • Molecular Formula : C16H18D3NO10

  • Molecular Weight : 390.36

stdClass Object
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    [pname] => 3-O-Methyl-L-DOPA 4-Sulfate 
    [catalogue_number] => PA STI 061330
    [category_ids] => ,97,98,93,78,70,82,
    [chemical_name] => 
    [weight] => 291.28
    [form] => C10H13NO7S
    [cas] => 1391393-86-4
    [pslug] => 1391393-86-4-3-o-methyl-l-dopa-4-sulfate-pasti061330
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PA STI 061330

3-O-Methyl-L-DOPA 4-Sulfate


  • Catalogue No.:PA STI 061330

  • CAS :

    1391393-86-4

  • Molecular Formula : C10H13NO7S

  • Molecular Weight : 291.28

stdClass Object
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    [catalogue_number] => PA STI 061340
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    [weight] => 294.30
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PA STI 061340

3-O-Methyl-L-DOPA-d3 4-Sulfate


  • Catalogue No.:PA STI 061340

  • CAS :

    NA

  • Molecular Formula : C10H10D3NO7S

  • Molecular Weight : 294.30

stdClass Object
(
    [pname] => DL-DOPA-2,5,6-d6
    [catalogue_number] => PA STI 036220
    [category_ids] => ,70,78,82,93,97,98,
    [chemical_name] => 
    [weight] => 203.22
    [form] => C9H5D6NO4
    [cas] => NA
    [pslug] => dl-dopa-2-5-6-d6-pasti036220
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PA STI 036220

DL-DOPA-2,5,6-d6


  • Catalogue No.:PA STI 036220

  • CAS :

    NA

  • Molecular Formula : C9H5D6NO4

  • Molecular Weight : 203.22

stdClass Object
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    [pname] => 3-Methoxy-L-tyrosine Monohydrate
    [catalogue_number] => PA 12 12590
    [category_ids] => ,93,78,70,82,
    [chemical_name] => 
    [weight] => 229.23
    [form] => C10H15NO5
    [cas] => 200630-46-2
    [pslug] => 200630-46-2-3-methoxy-l-tyrosine-monohydrate-pa1212590
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PA 12 12590

3-Methoxy-L-tyrosine Monohydrate


  • Catalogue No.:PA 12 12590

  • CAS :

    200630-46-2

  • Molecular Formula : C10H15NO5

  • Molecular Weight : 229.23

stdClass Object
(
    [pname] => 3-Acetyl-N-benzyloxycarbonyl-L-tyrosine Methyl Ester
    [catalogue_number] => PA 12 12620
    [category_ids] => ,97,93,78,70,82,
    [chemical_name] => 
    [weight] => 371.38
    [form] => C20H21NO6
    [cas] => 110774-03-3
    [pslug] => 110774-03-3-3-acetyl-n-benzyloxycarbonyl-l-tyrosine-methyl-ester-pa1212620
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PA 12 12620

3-Acetyl-N-benzyloxycarbonyl-L-tyrosine Methyl Ester


  • Catalogue No.:PA 12 12620

  • CAS :

    110774-03-3

  • Molecular Formula : C20H21NO6

  • Molecular Weight : 371.38

stdClass Object
(
    [pname] => 3-Acetyl-N-benzyloxycarbonyl-4-O-benzyl-L-tyrosine Methyl Ester
    [catalogue_number] => PA 12 12630
    [category_ids] => ,97,93,78,70,82,
    [chemical_name] => 
    [weight] => 461.51
    [form] => C27H27NO6
    [cas] => 105205-69-4
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PA 12 12630

3-Acetyl-N-benzyloxycarbonyl-4-O-benzyl-L-tyrosine Methyl Ester


  • Catalogue No.:PA 12 12630

  • CAS :

    105205-69-4

  • Molecular Formula : C27H27NO6

  • Molecular Weight : 461.51

stdClass Object
(
    [pname] => 4-O-Benzyl-N-[(benzyloxy)carbonyl]-L-dOPA methyl ester
    [catalogue_number] => PA 12 0121000
    [category_ids] => ,93,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 435.48
    [form] => C25H25NO6
    [cas] => 105229-41-2
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PA 12 0121000

4-O-Benzyl-N-[(benzyloxy)carbonyl]-L-dOPA methyl ester


  • Catalogue No.:PA 12 0121000

  • CAS :

    105229-41-2

  • Molecular Formula : C25H25NO6

  • Molecular Weight : 435.48

stdClass Object
(
    [pname] => 6-Hydroxy-DL-DOPA
    [catalogue_number] => PA 12 0121002
    [category_ids] => ,97,93,69,70,78,82,
    [chemical_name] => 
    [weight] => 213.19
    [form] => C9H11NO5
    [cas] => 21373-30-8
    [pslug] => 21373-30-8-6-hydroxy-dl-dopa-pa120121002
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PA 12 0121002

6-Hydroxy-DL-DOPA


  • Catalogue No.:PA 12 0121002

  • CAS :

    21373-30-8

  • Molecular Formula : C9H11NO5

  • Molecular Weight : 213.19

stdClass Object
(
    [pname] => L-Dopa methyl ester Hydrochloride
    [catalogue_number] => PA 12 0121003
    [category_ids] => ,97,93,69,78,82,
    [chemical_name] => 
    [weight] => 247.68
    [form] => C10H14ClNO4
    [cas] => 1421-65-4
    [pslug] => 1421-65-4-l-dopa-methyl-ester-hydrochloride-pa120121003
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PA 12 0121003

L-Dopa methyl ester Hydrochloride


  • Catalogue No.:PA 12 0121003

  • CAS :

    1421-65-4

  • Molecular Formula : C10H14ClNO4

  • Molecular Weight : 247.68

stdClass Object
(
    [pname] => L-DOPA ethyl ester Hydrochloride
    [catalogue_number] => PA 12 0121004
    [category_ids] => ,97,93,69,78,82,
    [chemical_name] => 
    [weight] => 261.7
    [form] => C11H16ClNO4
    [cas] => 39740-30-2
    [pslug] => 39740-30-2-l-dopa-ethyl-ester-hydrochloride-pa120121004
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PA 12 0121004

L-DOPA ethyl ester Hydrochloride


  • Catalogue No.:PA 12 0121004

  • CAS :

    39740-30-2

  • Molecular Formula : C11H16ClNO4

  • Molecular Weight : 261.7