PRODUCT NAME: Levodopa - Impurity C
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	LEO-002
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	7636-26-2
Mol. Formula	C₁₀H₁₃NO₄
Molecular Wt	211.21
IUPAC	2-amino-3-(4-hydroxy-3-methoxyphenyl)propanoic acid
Synonyms	3-Methoxytyrosine; 3-(4-Hydroxy-3-methoxyphenyl)alanine; 3-(Methoxy)-dl-tyrosine; 4-Hydroxy-3-methoxyphenylalanine; DL-3-Methoxy-4-hydroxyphenylalanine; DL-3-Methoxytyrosine; DL-3-O-Methyldopa; ; USP Levodopa Related Compound B; Levodopa EP Impurity C;rac 3-O-Methyl DOPA
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	White to Dark Beige Solid
Water content by KF/TGA	Sample COA
% Potency = [100 - (Water content by KF)] X HPLC Purity)] / 100	Sample COA
Identification by HNMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Solubility	Aqueous Acid (Slightly), DMSO (Slightly), Water (Slightly)
Purity	99.15% BY HPLC
Analysis Date (Release Date)	Sample COA
Attachments	Sample COA
Other Information	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption