Methyldopa EP Impurity C

Name: Methyldopa EP Impurity C
Brand: Vaqora Chemicals
SKU: VQ-034865

About Methyldopa EP Impurity C

Vaqora Chemicals supplies Methyldopa EP Impurity C, a pharmacopeial impurity of Methyldopa registered under CAS number 39948-18-0. The compound has the formula C12H17NO4, corresponding to a molecular weight of 239.27 g/mol. Systematically, it is named (2S)-2-amino-3-(3,4-dimethoxyphenyl)-2-methylpropanoic acid. Common synonyms include Methyldopa - Impurity C (Freebase) and 3-Methoxy-O,alpha-dimethyl-L-tyrosine.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This Methyldopa impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Methyldopa EP Impurity C is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Methyldopa

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

Methyldopa impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Methyldopa EP Impurity C
Catalogue No.	VQ-034865
CAS Number	39948-18-0
IUPAC name	(2S)-2-amino-3-(3,4-dimethoxyphenyl)-2-methylpropanoic acid
Molecular formula	C₁₂H₁₇NO₄
Molecular weight	239.27 g/mol
Exact mass	239.1158
Grade	Reference Standard
HSN code	38229090
InChIKey	QCCQWLWXLUTSAK-LBPRGKRZSA-N
SMILES	C[C@](CC1=CC(=C(C=C1)OC)OC)(C(=O)O)N
PubChem CID	195139

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.7
H-bond donors / acceptors	2 / 5
TPSA	81.8 Å²
Synonyms	Methyldopa - Impurity C (Freebase), 3-Methoxy-O,alpha-dimethyl-L-tyrosine, L-Tyrosine, 3-methoxy-O,alpha-dimethyl-, Dimethyl methyldopa, (S)-2-Amino-3-(3,4-dimethoxyphenyl)-2-methylpropanoic acid, DL-3-(3,4-Dimethoxyphenyl)-2-methylalanine, 3-Methoxy-O,alpha-dimethyltyrosine, 3,4-DIMETHOXY-alpha-METHYL-DOPA, L-3,4-Dimethoxy-, A-methylphenylalanine

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 Methyldopa EP Impurity C?

The CAS Registry Number of Methyldopa EP Impurity C is 39948-18-0. It is also known as Methyldopa - Impurity C (Freebase), 3-Methoxy-O,alpha-dimethyl-L-tyrosine, L-Tyrosine, 3-methoxy-O,alpha-dimethyl-.

What is the molecular formula and molecular weight of Methyldopa EP Impurity C?

Methyldopa EP Impurity C has the molecular formula C12H17NO4 and a molecular weight of 239.27 g/mol. Its IUPAC name is (2S)-2-amino-3-(3,4-dimethoxyphenyl)-2-methylpropanoic acid.

What is Methyldopa EP Impurity C used for?

Methyldopa EP Impurity C is supplied as a characterised reference material related to Methyldopa. 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 Methyldopa EP Impurity C can I order?

We supply Methyldopa EP Impurity C 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 Methyldopa EP Impurity C?

Yes. Every lot of Methyldopa EP Impurity C 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 Methyldopa EP Impurity C be shipped internationally?

Yes. Methyldopa EP Impurity C is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.