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Pharmaceutical Reference Standards

Levodopa

Picture of Levodopa
CAT No: SZ-L019001
CAS No: 59-92-7
Mol.F. : C9H11NO4
Mol.Wt. : 197.2
Inv. Status: In Stock
SZ-L019001
CAS No:59-92-7
Mol.F.: C9H11NO4
Mol.Wt.: 197.2
Inv. Status: In Stock

Levodopa EP Impurity A

Picture of Levodopa EP Impurity A
CAT No: SZ-L019002
CAS No: 27244-64-0
Mol.F. : C9H11NO5
Mol.Wt. : 213.2
Inv. Status: In Stock
SZ-L019002
CAS No:27244-64-0
Mol.F.: C9H11NO5
Mol.Wt.: 213.2
Inv. Status: In Stock

Levodopa EP Impurity B

Picture of Levodopa EP Impurity B
CAT No: SZ-L019003
CAS No: 60-18-4
Mol.F. : C9H11NO3
Mol.Wt. : 181.2
Inv. Status: In Stock, 3-4 days for Dispatch
SZ-L019003
CAS No:60-18-4
Mol.F.: C9H11NO3
Mol.Wt.: 181.2
Inv. Status: In Stock, 3-4 days for Dispatch

Levodopa EP Impurity C

Picture of Levodopa EP Impurity C
CAT No: SZ-L019004
CAS No: 7636-26-2
Mol.F. : C10H13NO4
Mol.Wt. : 211.2
Inv. Status: In Stock
SZ-L019004
CAS No:7636-26-2
Mol.F.: C10H13NO4
Mol.Wt.: 211.2
Inv. Status: In Stock

Levodopa EP Impurity D

Picture of Levodopa EP Impurity D
CAT No: SZ-L019005
CAS No: 5796-17-8
Mol.F. : C9H11NO4
Mol.Wt. : 197.2
Inv. Status: In Stock
SZ-L019005
CAS No:5796-17-8
Mol.F.: C9H11NO4
Mol.Wt.: 197.2
Inv. Status: In Stock

3-(3,4-Dimethoxyphenyl)-L-Alanine

Picture of 3-(3,4-Dimethoxyphenyl)-L-Alanine
CAT No: SZ-L019006
CAS No: 32161-30-1
Mol.F. : C11H15NO4
Mol.Wt. : 225.2
Inv. Status: In Stock
SZ-L019006
CAS No:32161-30-1
Mol.F.: C11H15NO4
Mol.Wt.: 225.2
Inv. Status: In Stock

Levodopa sulfate

Picture of Levodopa sulfate
CAT No: SZ-L019007
CAS No: 217657-34-6
Mol.F. : C9H11NO7S
Mol.Wt. : 277.3
Inv. Status: Custom Synthesis
SZ-L019007
CAS No:217657-34-6
Mol.F.: C9H11NO7S
Mol.Wt.: 277.3
Inv. Status: Custom Synthesis

Pyruvic acid

Picture of Pyruvic acid
CAT No: SZ-L019008
CAS No: 127-17-3
Mol.F. : C3H4O3
Mol.Wt. : 88.1
Inv. Status: In Stock
SZ-L019008
CAS No:127-17-3
Mol.F.: C3H4O3
Mol.Wt.: 88.1
Inv. Status: In Stock

1,2-Dihydroxybenzene

Picture of 1,2-Dihydroxybenzene
CAT No: SZ-L019009
CAS No: 120-80-9
Mol.F. : C6H6O2
Mol.Wt. : 110.1
Inv. Status: In Stock
SZ-L019009
CAS No:120-80-9
Mol.F.: C6H6O2
Mol.Wt.: 110.1
Inv. Status: In Stock

3-Acetyl-L-tyrosine Hydrochloride

Picture of 3-Acetyl-L-tyrosine Hydrochloride
CAT No: SZ-L019010
CAS No: 32404-28-7
Mol.F. : C11H13NO4 : HCl
Mol.Wt. : 223.2 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 32483-30-0 (free base)
SZ-L019010
CAS No:32404-28-7
Mol.F.: C11H13NO4 : HCl
Mol.Wt.: 223.2 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 32483-30-0 (free base)

3-Methoxy-L-tyrosine Monohydrate

Picture of 3-Methoxy-L-tyrosine Monohydrate
CAT No: SZ-L019011
CAS No: 200630-46-2
Mol.F. : C10H13NO4 : H2O
Mol.Wt. : 211.2 : 18.0
Inv. Status: Limited Stock
Rel. CAS No : 300-48-1 (free base)
SZ-L019011
CAS No:200630-46-2
Mol.F.: C10H13NO4 : H2O
Mol.Wt.: 211.2 : 18.0
Inv. Status: Limited Stock
Rel. CAS No : 300-48-1 (free base)

Levodopa Impurity 1

Picture of Levodopa Impurity 1
CAT No: SZ-L019012
CAS No: 18674-59-4
Mol.F. : C9H11NO5
Mol.Wt. : 213.2
Inv. Status: Under Synthesis
SZ-L019012
CAS No:18674-59-4
Mol.F.: C9H11NO5
Mol.Wt.: 213.2
Inv. Status: Under Synthesis

Levodopa Impurity 2

Picture of Levodopa Impurity 2
CAT No: SZ-L019013
CAS No: 76757-91-0
Mol.F. : C16H23NO5
Mol.Wt. : 309.4
Inv. Status: Custom Synthesis
SZ-L019013
CAS No:76757-91-0
Mol.F.: C16H23NO5
Mol.Wt.: 309.4
Inv. Status: Custom Synthesis

Levodopa Impurity 3

Picture of Levodopa Impurity 3
CAT No: SZ-L019014
CAS No: 37178-37-3
Mol.F. : C11H15NO4
Mol.Wt. : 225.2
Inv. Status: Custom Synthesis
SZ-L019014
CAS No:37178-37-3
Mol.F.: C11H15NO4
Mol.Wt.: 225.2
Inv. Status: Custom Synthesis

Dopaquinone Sulphate

Picture of Dopaquinone Sulphate
CAT No: SZ-L019015
CAS No: 1797832-49-5
Mol.F. : C9H9NO4 : H2O4S
Mol.Wt. : 195.2 : 98.1
Inv. Status: Custom Synthesis
Rel. CAS No : 25520-73-4 (free base)
SZ-L019015
CAS No:1797832-49-5
Mol.F.: C9H9NO4 : H2O4S
Mol.Wt.: 195.2 : 98.1
Inv. Status: Custom Synthesis
Rel. CAS No : 25520-73-4 (free base)

Levodopa Impurity 4

Picture of Levodopa Impurity 4
CAT No: SZ-L019016
CAS No: 4790-08-3
Mol.F. : C9H7NO4
Mol.Wt. : 193.2
Inv. Status: Custom Synthesis
SZ-L019016
CAS No:4790-08-3
Mol.F.: C9H7NO4
Mol.Wt.: 193.2
Inv. Status: Custom Synthesis

Stable Isotopes And Metabolites

Levodopa D3

Picture of Levodopa D3
CAT No: SZ-L019D01
CAS No: 53587-29-4
Mol.F. : C9H8D3NO4
Mol.Wt. : 200.2
Inv. Status: Custom Synthesis
Rel. CAS No : 1160108-02-0 (DCl salt)
SZ-L019D01
CAS No:53587-29-4
Mol.F.: C9H8D3NO4
Mol.Wt.: 200.2
Inv. Status: Custom Synthesis
Rel. CAS No : 1160108-02-0 (DCl salt)

3-O-Methyldopa d3

Picture of 3-O-Methyldopa d3
CAT No: SZ-L019D02
CAS No: 586954-09-8
Mol.F. : C10H10D3NO4
Mol.Wt. : 214.2
Inv. Status: Custom Synthesis
SZ-L019D02
CAS No:586954-09-8
Mol.F.: C10H10D3NO4
Mol.Wt.: 214.2
Inv. Status: Custom Synthesis

L-3-(4-Hydroxy-3-methoxy-d3-phenyl)alanine

Picture of L-3-(4-Hydroxy-3-methoxy-d3-phenyl)alanine
CAT No: SZ-L019D03
CAS No: NA
Mol.F. : C10H10D3NO4
Mol.Wt. : 214.2
Inv. Status: Custom Synthesis
Rel. CAS No : 300-48-1 (Unlabeled)
SZ-L019D03
CAS No:NA
Mol.F.: C10H10D3NO4
Mol.Wt.: 214.2
Inv. Status: Custom Synthesis
Rel. CAS No : 300-48-1 (Unlabeled)