(E)-3-O-Methyl Entacapone

Name: (E)-3-O-Methyl Entacapone
Brand: Zemixal
SKU: ZX-021557

Reference StandardAvailable on request

(E)-3-O-Methyl Entacapone (CAS 857629-78-8) supplier Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.

Pack sizes

(E)-3-O-Methyl Entacapone chemical structure

CAS number857629-78-8

FormulaC₁₅H₁₇N₃O₅

Molar mass319.31 g/mol

Physical formSolid

HS code38229090

InChIKeyMAZRYCCTAIVEQP-IZZDOVSWSA-N

IUPAC name(E)-2-cyano-N,N-diethyl-3-(4-hydroxy-3-methoxy-5-nitrophenyl)prop-2-enamide

About (E)-3-O-Methyl Entacapone

(E)-3-O-Methyl Entacapone belongs to the Entacapone reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 857629-78-8, formula C15H17N3O5 and molar mass 319.31 g/mol. It is handled as a solid.

Typical applications

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

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Entacapone

See every impurity, metabolite and related compound we list for this API.

Entacapone standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of (E)-3-O-Methyl Entacapone
Product name	(E)-3-O-Methyl Entacapone
Catalogue number	ZX-021557
CAS number	857629-78-8
IUPAC name	(E)-2-cyano-N,N-diethyl-3-(4-hydroxy-3-methoxy-5-nitrophenyl)prop-2-enamide
Molecular formula	C₁₅H₁₇N₃O₅
Molar mass	319.31 g/mol
Exact mass	319.1168
Grade	Reference Standard
Physical form	Solid
XLogP3	2.5
H-bond donors / acceptors	1 / 6
Topological polar surface area	119 Å²
HS code	38229090
InChIKey	MAZRYCCTAIVEQP-IZZDOVSWSA-N
SMILES	CCN(CC)C(=O)/C(=C/C1=CC(=C(C(=C1)OC)O)[N+](=O)[O-])/C#N
PubChem CID	11449993
Synonyms	Entacapone 3-Methyl Ether, 3-O-methylentacapone, (E/Z)-3-O-Methyl Entacapone, (2E)-2-cyano-N,N-diethyl-3-(4-hydroxy-3-methoxy-5-nitrophenyl)prop-2-enamide, (E)-2-Cyano-N,N-diethyl-3-(4-hydroxy-3-methoxy-5-nitrophenyl)acrylamide, 2-Propenamide, 2-cyano-N,N-diethyl-3-(4-hydroxy-3-methoxy-5-nitrophenyl)-, (2E)-, N,N-diethyl-2-cyano-3-(-3-methoxy-4-hydroxy-5-nitrophenyl)acrylamide, (2e)-2-cyano-3-(3-methoxy-4-hydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide, N1,N1-diethyl-(E)-2-cyano-3-(4-hydroxy-3-methoxy-5-nitrophenyl)-2-propenamide

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of (E)-3-O-Methyl Entacapone
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about (E)-3-O-Methyl Entacapone

Which CAS number identifies (E)-3-O-Methyl Entacapone?

(E)-3-O-Methyl Entacapone is registered under CAS 857629-78-8. You may also see it listed as Entacapone 3-Methyl Ether, 3-O-methylentacapone, (E/Z)-3-O-Methyl Entacapone. Our catalogue number for this item is ZX-021557.

What are the formula and molar mass of (E)-3-O-Methyl Entacapone?

For (E)-3-O-Methyl Entacapone, its formula is C15H17N3O5 and its molar mass is 319.31 g/mol. The systematic (IUPAC) name is (E)-2-cyano-N,N-diethyl-3-(4-hydroxy-3-methoxy-5-nitrophenyl)prop-2-enamide. InChIKey MAZRYCCTAIVEQP-IZZDOVSWSA-N lets you match it in any structure database.

How is (E)-3-O-Methyl Entacapone used in pharmaceutical QC?

(E)-3-O-Methyl Entacapone is a characterised reference material linked to Entacapone. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for (E)-3-O-Methyl Entacapone?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with (E)-3-O-Methyl Entacapone?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship (E)-3-O-Methyl Entacapone to my country?

Yes. (E)-3-O-Methyl Entacapone ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

More Entacapone standards

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Bulk CAS lookup Open quote list