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.
Levodopa
Catalogue No.:PA 12 12000
CAS :
Molecular Formula : C9H11NO4
Molecular Weight : 197.19
Tyrosine
Catalogue No.:PA 12 12020
Molecular Formula : C9H11NO3
Molecular Weight : 181.19
3-methoxy-DL-tyrosine
Catalogue No.:PA 12 12030
Molecular Formula : C10H13NO4
Molecular Weight : 211.21
D-Dopa
Catalogue No.:PA 12 12040
3-(3,4-Dimethoxyphenyl)-L-alanine
Catalogue No.:PA 12 12550
Molecular Formula : C11H15NO4
Molecular Weight : 225.24
3-Acetyl-L-tyrosine
Catalogue No.:PA 12 12560
Molecular Formula : C11H13NO4
Molecular Weight : 223.23
2-Hydroxy Levodopa
Catalogue No.:PA 12 12570
Molecular Formula : C9H11NO5
Molecular Weight : 213.19
4-Hydroxy-3-methoxymandelic Acid
Catalogue No.:PA 12 12510
Molecular Formula : C9H10O5
Molecular Weight : 198.17
3,4-Dihydroxy-DL-phenylalanine
Catalogue No.:PA 12 12520
3-Acetyl-L-tyrosine Hydrochloride
Catalogue No.:PA 12 12530
Molecular Formula : C11H14ClNO4
Molecular Weight : 259.69
3-Acetyl-L-tyrosine Methyl Ester Hydrochloride
Catalogue No.:PA 12 12540
Molecular Formula : C12H16ClNO4
Molecular Weight : 273.71
rac 3-O-Methyl DOPA-d3
Catalogue No.:PA STI 061290
Molecular Formula : C10H10D3NO4
Molecular Weight : 214.23
3-O-Methyl-L-DOPA-d3 Monohydrate
Catalogue No.:PA STI 061300
Molecular Formula : C10H12D3NO5
Molecular Weight : 232.25
3-O-Methyl-L-DOPA-d3 Methyl Ester
Catalogue No.:PA STI 061310
Molecular Formula : C11H12D3NO4
Molecular Weight : 228.26
3-O-Methyl-L-DOPA-d3 4-Glucuronide
Catalogue No.:PA STI 061320
Molecular Formula : C16H18D3NO10
Molecular Weight : 390.36
3-O-Methyl-L-DOPA 4-Sulfate
Catalogue No.:PA STI 061330
Molecular Formula : C10H13NO7S
Molecular Weight : 291.28
3-O-Methyl-L-DOPA-d3 4-Sulfate
Catalogue No.:PA STI 061340
Molecular Formula : C10H10D3NO7S
Molecular Weight : 294.30
3-(Methoxy-d3)-L-tyrosine Hydrochloride
Catalogue No.:PA STI 061350
Molecular Formula : C10H11D3ClNO4
Molecular Weight : 250.69
α,4-Dihydroxy-3-methoxy-α-methyl-benzeneethanesulfonic Acid Potassium Salt-d5
Catalogue No.:PA STI 032860
Molecular Formula : C10H8D5KO6S
Molecular Weight : 305.4
DL-DOPA-2,5,6-d6
Catalogue No.:PA STI 036220
Molecular Formula : C9H5D6NO4
Molecular Weight : 203.22
Levodopa-d3
Catalogue No.:PA STI 056471
Molecular Formula : C9H8D3NO4
Molecular Weight : 200.21
3-Methoxy-L-Tyrosine
Catalogue No.:PA 12 12580
Molecular Weight : 211.22
3-Methoxy-L-tyrosine Monohydrate
Catalogue No.:PA 12 12590
Molecular Formula : C10H15NO5
Molecular Weight : 229.23
5,6-Dihydroxyindole-2-carboxylic Acid
Catalogue No.:PA 12 12600
Molecular Formula : C9H7NO4
Molecular Weight : 193.16
N-[2-[4-(Acetyloxy)-3-methoxyphenyl]-1-cyano-1-methylethyl]acetamide
Catalogue No.:PA 12 12610
Molecular Formula : C15H18N2O4
Molecular Weight : 290.31
3-Acetyl-N-benzyloxycarbonyl-L-tyrosine Methyl Ester
Catalogue No.:PA 12 12620
Molecular Formula : C20H21NO6
Molecular Weight : 371.38
3-Acetyl-N-benzyloxycarbonyl-4-O-benzyl-L-tyrosine Methyl Ester
Catalogue No.:PA 12 12630
Molecular Formula : C27H27NO6
Molecular Weight : 461.51
Catalogue No.:PA ICRS0334
Molecular Formula :
Molecular Weight : NA
Catalogue No.:PA IPIPRS 131 12
Levodopa (L0400000)
Catalogue No.:PA EPL0400000
Molecular Formula : NA
Levodopa (1361009)
Catalogue No.:PA USP1361009
Levodopa Related Compound A ((3-(2,4,5-Trihydroxyphenyl)-L-alanine) or (3-(3,4,6-Trihydroxyphenyl)a (1361010)
Catalogue No.:PA USP1361010
Levodopa Related Compound B (3-methoxytyrosine) (1420006)
Catalogue No.:PA USP1420006
levodopa (213RB)
Catalogue No.:PA BP213RB
(Acetyl-d3)glycine-2,2-d2
Catalogue No.:PA STI 088610
Molecular Formula : C4H2D5NO3
Molecular Weight : 122.13
4-O-Benzyl-N-[(benzyloxy)carbonyl]-L-dOPA methyl ester
Catalogue No.:PA 12 0121000
Molecular Formula : C25H25NO6
Molecular Weight : 435.48
Leucodopachrome
Catalogue No.:PA 12 0121001
Molecular Formula : C9H9NO4
Molecular Weight : 195.17
6-Hydroxy-DL-DOPA
Catalogue No.:PA 12 0121002
L-Dopa methyl ester Hydrochloride
Catalogue No.:PA 12 0121003
Molecular Formula : C10H14ClNO4
Molecular Weight : 247.68
L-DOPA ethyl ester Hydrochloride
Catalogue No.:PA 12 0121004
Molecular Formula : C11H16ClNO4
Molecular Weight : 261.7
(1S,3S)-6,7-Dihydroxy-1-methyl-1,2,3,4-tetrahydroisoquinoline-1,3-dicarboxylic Acid
Catalogue No.:PA 12 0121005
Molecular Formula : C12H13NO6
Molecular Weight : 267.24
(1R,3S)-6,7-Dihydroxy-1-methyl-1,2,3,4-tetrahydroisoquinoline-1,3-dicarboxylic Acid
Catalogue No.:PA 12 0121006
Boc-3,4-dihydroxy-L-phenylalanine
Catalogue No.:PAI 12 012001
Molecular Formula : C14H19NO6
Molecular Weight : 297.31
tert-Butyl (6,7-dihydroxy-2-oxochroman-3-yl)carbamate
Catalogue No.:PAI 12 012002
Molecular Formula : C14H17NO6
Molecular Weight : 295.29
3-Amino-6,7-dihydroxychroman-2-one Hydrochloride
Catalogue No.:PAI 12 012003
Molecular Formula : C9H10ClNO4
Molecular Weight : 231.63
(S)-2-((tert-Butoxycarbonyl)amino)-3-(2,4,5-trihydroxyphenyl)propanoic Acid
Catalogue No.:PAI 12 012004
Molecular Formula : C14H19NO7
Molecular Weight : 313.31
(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(3,4-dihydroxyphenyl)propanoic Acid
Catalogue No.:PAI 12 012005
Molecular Formula : C24H21NO6
Molecular Weight : 419.43
(9H-Fluoren-9-yl)methyl (6,7-dihydroxy-2-oxochroman-3-yl)carbamate
Catalogue No.:PAI 12 012006
Molecular Formula : C24H19NO6
Molecular Weight : 417.42
(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(2,4,5-trihydroxyphenyl)propanoic Acid
Catalogue No.:PAI 12 012007
Molecular Formula : C24H21NO7
Molecular Weight : 435.43
L-Dopaquinone
Catalogue No.:PA 12 0121007
Levodopa (IPRS/06/19)
Catalogue No.:PA IPRS 06 19
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