Levodopa Impurity 1

Name: Levodopa Impurity 1
Brand: Vaqora Chemicals
SKU: VQ-037999

About Levodopa Impurity 1

Levodopa Impurity 1 (CAS 18674-59-4) is an impurity of Levodopa offered by Vaqora Chemicals. Its molecular formula is C9H11NO5 and its molecular weight is 213.19 g/mol. Its systematic (IUPAC) name is (2S)-2-amino-3-(3,4,5-trihydroxyphenyl)propanoic acid. It is also known as 3,4,5-Trihydroxyphenylalanine or 3,5-Dihydroxytyrosine.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Pharmaceutical QC and development laboratories use this impurity standard of Levodopa to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Levodopa Impurity 1 in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Levodopa

View every impurity, metabolite and intermediate we list for Levodopa.

Levodopa impurities

Specifications & identifiers

Chemical identifiers
Product name	Levodopa Impurity 1
Catalogue No.	VQ-037999
CAS Number	18674-59-4
IUPAC name	(2S)-2-amino-3-(3,4,5-trihydroxyphenyl)propanoic acid
Molecular formula	C₉H₁₁NO₅
Molecular weight	213.19 g/mol
Exact mass	213.0637
Grade	Reference Standard
HSN code	38229090
InChIKey	KQZQZOQFUQXPLW-YFKPBYRVSA-N
SMILES	C1=C(C=C(C(=C1O)O)O)C[C@@H](C(=O)O)N
PubChem CID	161161

Physical properties
Physical form	Solid
LogP (XLogP3)	-3.1
H-bond donors / acceptors	5 / 6
TPSA	124 Å²
Synonyms	3,4,5-Trihydroxyphenylalanine, 3,5-Dihydroxytyrosine, 5-OH-Dopa, 5-Hydroxydopa, 3,4,5-TOPA, 3,5-dihydroxy-l-tyrosine, L-Tyrosine, 3,5-dihydroxy-, 3,4,5-trihydroxy-l-phenylalanine, 2-Amino-3-(3,4,5-trihydroxyphenyl)propanoic acid, (2S)-, Tyrosine, 3,5-dihydroxy-

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Levodopa Impurity 1?

The CAS Registry Number of Levodopa Impurity 1 is 18674-59-4. It is also known as 3,4,5-Trihydroxyphenylalanine, 3,5-Dihydroxytyrosine, 5-OH-Dopa.

What is the molecular formula and molecular weight of Levodopa Impurity 1?

Levodopa Impurity 1 has the molecular formula C9H11NO5 and a molecular weight of 213.19 g/mol. Its IUPAC name is (2S)-2-amino-3-(3,4,5-trihydroxyphenyl)propanoic acid.

What is Levodopa Impurity 1 used for?

Levodopa Impurity 1 is supplied as a characterised reference material related to Levodopa. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Levodopa Impurity 1 can I order?

We supply Levodopa Impurity 1 in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Levodopa Impurity 1?

Yes. Every lot of Levodopa Impurity 1 is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Levodopa Impurity 1 be shipped internationally?

Yes. We export Levodopa Impurity 1 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.