Entacapone EP Impurity A

Name: Entacapone EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-022527

About Entacapone EP Impurity A

Entacapone EP Impurity A (CAS 145195-63-7) is a pharmacopeial impurity of Entacapone offered by Vaqora Chemicals. The compound has the formula C14H15N3O5, corresponding to a molecular weight of 305.29 g/mol. The IUPAC name is (Z)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethylprop-2-enamide. It is also known as Entacapone - Impurity A or (Z)-Entacapone.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

This Entacapone impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Entacapone EP Impurity A 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 Entacapone

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

Entacapone impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Entacapone EP Impurity A
Catalogue No.	VQ-022527
CAS Number	145195-63-7
IUPAC name	(Z)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethylprop-2-enamide
Molecular formula	C₁₄H₁₅N₃O₅
Molecular weight	305.29 g/mol
Exact mass	305.1012
Grade	Reference Standard
HSN code	38229090
InChIKey	JRURYQJSLYLRLN-YHYXMXQVSA-N
SMILES	CCN(CC)C(=O)/C(=C\C1=CC(=C(C(=C1)O)O)[N+](=O)[O-])/C#N
PubChem CID	21864625

Physical properties
Physical form	Solid
LogP (XLogP3)	2.1
H-bond donors / acceptors	2 / 6
TPSA	130 Å²
Synonyms	Entacapone - Impurity A, (Z)-Entacapone, Entacapone, (Z)-, (2Z)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethylprop-2-enamide, (z)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-n,n-diethyl-2-propenamide, 2-Propenamide, 2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-, (Z)-, cis-Entacapone, (Z)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethylacrylamide, (2Z)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide, "(Z)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethylprop-2-enamide", (Z)-2-cyano-3-(3,4-dihydroxy-5-nitro-phenyl)-N,N-diethyl-prop-2-enamide

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 Entacapone EP Impurity A?

The CAS Registry Number of Entacapone EP Impurity A is 145195-63-7. It is also known as Entacapone - Impurity A, (Z)-Entacapone, Entacapone, (Z)-.

What is the molecular formula and molecular weight of Entacapone EP Impurity A?

Entacapone EP Impurity A has the molecular formula C14H15N3O5 and a molecular weight of 305.29 g/mol. Its IUPAC name is (Z)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethylprop-2-enamide.

What is Entacapone EP Impurity A used for?

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

We supply Entacapone EP Impurity A 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 Entacapone EP Impurity A?

Yes. Every lot of Entacapone EP Impurity A 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 Entacapone EP Impurity A be shipped internationally?

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