Levodopa Impurities

Levodopa Related Products

SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Levodopa, pharmacopeial and non-pharmacopeial Levodopa impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Levodopa impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

Levodopa-related products are thoroughly characterized. Levodopa products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

Pharmaceutical Reference Standards

1,2-Dihydroxybenzene

SZ CAT No:	: SZ-L019009
CAS No	: 120-80-9
Mol.F.	: C6H6O2
Mol.Wt.	: 110.1
Inv. Status	: In Stock

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

SZ CAT No:	: SZ-L019006
CAS No	: 32161-30-1
Mol.F.	: C11H15NO4
Mol.Wt.	: 225.2
Inv. Status	: In Stock

3-Acetyl-L-tyrosine Hydrochloride

SZ CAT No:	: SZ-L019010
CAS No	: 32404-28-7
Mol.F.	: C11H13NO4 : HCl
Mol.Wt.	: 223.2 : 36.5
Inv. Status	: In Stock

Levodopa

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

Levodopa EP Impurity A

SZ CAT No:	: SZ-L019002
CAS No	: 27244-64-0
Mol.F.	: C9H11NO5
Mol.Wt.	: 213.2
Inv. Status	: In Stock

Levodopa EP Impurity B

SZ 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

Levodopa EP Impurity C

SZ CAT No:	: SZ-L019004
CAS No	: 7636-26-2
Mol.F.	: C10H13NO4
Mol.Wt.	: 211.2
Inv. Status	: In Stock

Levodopa EP Impurity D

SZ CAT No:	: SZ-L019005
CAS No	: 5796-17-8
Mol.F.	: C9H11NO4
Mol.Wt.	: 197.2
Inv. Status	: In Stock

Pyruvic acid

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

3-Methoxy-L-tyrosine Monohydrate

SZ CAT No:	: SZ-L019011
CAS No	: 200630-46-2
Mol.F.	: C10H13NO4 : H2O
Mol.Wt.	: 211.2 : 18.0
Inv. Status	: Limited Stock

Dopaquinone Sulphate

SZ CAT No:	: SZ-L019015
CAS No	: 1797832-49-5
Mol.F.	: C9H9NO4 : H2O4S
Mol.Wt.	: 195.2 : 98.1
Inv. Status	: Custom Synthesis

Etilevodopa

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

Leucodopachrome

SZ CAT No:	: SZ-L019017
CAS No	: 18766-67-1
Mol.F.	: C9H9NO4
Mol.Wt.	: 195.2
Inv. Status	: Custom Synthesis

Levodopa Impurity 1

SZ CAT No:	: SZ-L019012
CAS No	: 18674-59-4
Mol.F.	: C9H11NO5
Mol.Wt.	: 213.2
Inv. Status	: Custom Synthesis

Levodopa Impurity 2

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

Levodopa Impurity 5

SZ CAT No:	: SZ-L019019
CAS No	: 27313-65-1
Mol.F.	: C13H17NO5
Mol.Wt.	: 267.3
Inv. Status	: Custom Synthesis

Levodopa Impurity 6

SZ CAT No:	: SZ-L019020
CAS No	: 4790-08-3
Mol.F.	: C9H7NO4
Mol.Wt.	: 193.2
Inv. Status	: Custom Synthesis

Levodopa Isopropyl Ester Impurity

SZ CAT No:	: SZ-L019016
CAS No	: 110301-07-0
Mol.F.	: C12H17NO4
Mol.Wt.	: 239.3
Inv. Status	: Custom Synthesis

Levodopa sulfate

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

Melevodopa HCl

SZ CAT No:	: SZ-L019021
CAS No	: 1421-65-4
Mol.F.	: C10H13NO4 : HCl
Mol.Wt.	: 211.2 : 36.5
Inv. Status	:

Stable Isotopes And Metabolites

3-O-Methyldopa d3

SZ CAT No:	: 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

SZ CAT No:	: SZ-L019D03
CAS No	: NA
Mol.F.	: C10H10D3NO4
Mol.Wt.	: 214.2
Inv. Status	: Custom Synthesis

Levodopa D3

SZ CAT No:	: SZ-L019D01
CAS No	: 53587-29-4
Mol.F.	: C9H8D3NO4
Mol.Wt.	: 200.2
Inv. Status	: Custom Synthesis

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