Pharmaceutical Reference Standards / Impurity Standards

Levodopa
Levodopa
  • CAT. No.L440000
  • CAS. No.59-92-7
  • Mol. F.C9H11NO4
  • Mol. W.197.20 g/mol
  • Stock Status:Instock
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3-Acetyl-L-Tyrosine Hydrochloride
3-Acetyl-L-Tyrosine Hydrochloride
  • CAT. No.L440002
  • CAS. No.32404-28-7
  • Mol. F.C11H13NO4.HCl
  • Mol. W.259.69 g/mol
  • Stock Status:Instock
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3,4 Dimethyl L-Phenylalanin alfge
3,4 Dimethyl L-Phenylalanin alfge
  • CAT. No.L440003
  • CAS. No.32161-30-1
  • Mol. F.C11H15NO4
  • Mol. W.225.24 g/mol
  • Stock Status:Instock
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Levodopa EP Impurity C
Levodopa EP Impurity C
  • CAT. No.L440004
  • CAS. No.7636-26-2
  • Mol. F.C10H13NO4
  • Mol. W.211.21 g/mol
  • Stock Status:Instock
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3-Methoxy-L-tyrosine Methyl Ester
3-Methoxy-L-tyrosine Methyl Ester
  • CAT. No.L440005
  • CAS. No.78148-37-5
  • Mol. F.C11H15NO4
  • Mol. W.225.24 g/mol
  • Stock Status:Custom Synthesis
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Levodopa EP Impurity A
Levodopa EP Impurity A
  • CAT. No.L440006
  • CAS. No.27244-64-0
  • Mol. F.C9H11NO5
  • Mol. W.213.19 g/mol
  • Stock Status:Instock
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Levodopa EP Impurity D
Levodopa EP Impurity D
  • CAT. No.L440007
  • CAS. No.5796-17-8
  • Mol. F.C9H11NO4
  • Mol. W.197.19 g/ mol
  • Stock Status:Instock
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Levodopa Impurity 4
Levodopa Impurity 4
  • CAT. No.L440008
  • CAS. No.4790-08-3
  • Mol. F.C9H7NO4
  • Mol. W.193.16 g/mol
  • Stock Status:Instock
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Levodopa EP Impurity B
Levodopa EP Impurity B
  • CAT. No.L440009
  • CAS. No.60-18-4
  • Mol. F.C9H11NO3
  • Mol. W.181.19 g/mol
  • Stock Status:Custom Synthesis
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N,N-DiMethyl-L-phenylalanine
N,N-DiMethyl-L-phenylalanine
  • CAT. No.L440010
  • CAS. No.17469-89-5
  • Mol. F.C11H15NO2
  • Mol. W.193.2 g/mol
  • Stock Status:Instock
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Levodopa Related Compound B Hydrochloride Salt
Levodopa Related Compound B Hydrochloride Salt
  • CAT. No.L440012
  • CAS. No.91013-37-5
  • Mol. F.C10H14NO4Cl
  • Mol. W.247.68 g/mol
  • Stock Status:Custom Synthesis
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Levodopa Impurity 1
Levodopa Impurity 1
  • CAT. No.L440014
  • CAS. No.18674-59-4
  • Mol. F.C9H11NO5
  • Mol. W.213.20 g/mol
  • Stock Status:Custom Synthesis
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(1S,3S)-6,7-Dihydroxy-1-methyl-1,2,3,4-tetrahydroisoquinoline-1,3-dicarboxylic acid
(1S,3S)-6,7-Dihydroxy-1-methyl-1,2,3,4-tetrahydroisoquinoline-1,3-dicarboxylic acid
  • CAT. No.L440015
  • CAS. No.NA
  • Mol. F.C12H13NO6
  • Mol. W.267.23 g/mol
  • Stock Status:Custom Synthesis
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(1R,3S)-6,7-Dihydroxy-1-methyl-1,2,3,4-tetrahydroisoquinoline-1,3-dicarboxylic acid
(1R,3S)-6,7-Dihydroxy-1-methyl-1,2,3,4-tetrahydroisoquinoline-1,3-dicarboxylic acid
  • CAT. No.L440016
  • CAS. No.NA
  • Mol. F.C12H13NO6
  • Mol. W.267.23 g/mol
  • Stock Status:Custom Synthesis
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Leucodopachrome
Leucodopachrome
  • CAT. No.L440018
  • CAS. No.18766-67-1
  • Mol. F.C9H9NO4
  • Mol. W.195.17 g/mol
  • Stock Status:Custom Synthesis
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Metabolites

L-Dopa Methyl Ester Hydrochloride
L-Dopa Methyl Ester Hydrochloride
  • CAT. No.L440017
  • CAS. No.1421-65-4
  • Mol. F.C10H13NO4.HCl
  • Mol. W.247.68 g/mol
  • Stock Status:Please Enquire
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Isotope Labelled Compounds

Levodopa-D3
Levodopa-D3
  • CAT. No.L440001
  • CAS. No.53587-29-4
  • Mol. F.C9H8NO4D3
  • Mol. W.200.21 g/mol
  • Stock Status:Limited Stock
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Levodopa-D3 Deuterium Chloride
Levodopa-D3 Deuterium Chloride
  • CAT. No.L440001A
  • CAS. No.NA
  • Mol. F.C9H8D4NO4Cl
  • Mol. W.237.67 g/mol
  • Stock Status:Instock
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L-Dopa-2,5,6,alpha,beta,beta-D6
L-Dopa-2,5,6,alpha,beta,beta-D6
  • CAT. No.L440013
  • CAS. No.713140-75-1
  • Mol. F.C9H5D6NO4
  • Mol. W.203.23 g/mol
  • Stock Status:Please Enquire
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