Carbidopa EP Impurity E

Name: Carbidopa EP Impurity E
Brand: Vaqora Chemicals
SKU: VQ-024768

About Carbidopa EP Impurity E

Carbidopa EP Impurity E is a pharmacopeial impurity of Carbidopa carrying the CAS registry number 52514-63-3. Formula C11H16N2O4, molecular weight 240.26 g/mol. Systematically, it is named methyl (2S)-3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate. Alternative names: Carbidopa - Impurity E and Carbidopa Methyl Ester.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

This Carbidopa 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.

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

Typical applications

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

Industries

Related to Carbidopa

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

Carbidopa impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Carbidopa EP Impurity E
Catalogue No.	VQ-024768
CAS Number	52514-63-3
IUPAC name	methyl (2S)-3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate
Molecular formula	C₁₁H₁₆N₂O₄
Molecular weight	240.26 g/mol
Exact mass	240.111
Grade	Reference Standard
HSN code	38229090
InChIKey	IETYBXLXKYRFEN-NSHDSACASA-N
SMILES	C[C@](CC1=CC(=C(C=C1)O)O)(C(=O)OC)NN
PubChem CID	90338893

Physical properties
Physical form	Solid
LogP (XLogP3)	0.4
H-bond donors / acceptors	4 / 6
TPSA	105 Å²
Synonyms	Carbidopa - Impurity E, Carbidopa Methyl Ester, Carbidopa Impurity E, (S)-methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate, Methyl (2S)-3-(3,4-dihydroxyphenyl)-2-hydrazino-2-methylpropanoate, Methyl (S)-3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate, Benzenepropanoic acid, alpha-hydrazino-3,4-dihydroxy-alpha-methyl-, methyl ester, (S)-

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 Carbidopa EP Impurity E?

The CAS Registry Number of Carbidopa EP Impurity E is 52514-63-3. It is also known as Carbidopa - Impurity E, Carbidopa Methyl Ester, Carbidopa Impurity E.

What is the molecular formula and molecular weight of Carbidopa EP Impurity E?

Carbidopa EP Impurity E has the molecular formula C11H16N2O4 and a molecular weight of 240.26 g/mol. Its IUPAC name is methyl (2S)-3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate.

What is Carbidopa EP Impurity E used for?

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

We supply Carbidopa EP Impurity E 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 Carbidopa EP Impurity E?

Yes. Every lot of Carbidopa EP Impurity E 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 Carbidopa EP Impurity E be shipped internationally?

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