2-Ethoxy-1-methoxy-4-(2-methylsulfonylethenyl… 1831833-38-5

Name: 2-Ethoxy-1-methoxy-4-(2-methylsulfonylethenyl)benzene
Brand: Vaqora Chemicals
SKU: VQ-024333

About 2-Ethoxy-1-methoxy-4-(2-methylsulfonylethenyl)benzene

2-Ethoxy-1-methoxy-4-(2-methylsulfonylethenyl)benzene is an impurity of Apremilast carrying the CAS registry number 1831833-38-5. Formula C12H16O4S, molecular weight 256.32 g/mol. The IUPAC name is 2-ethoxy-1-methoxy-4-[(E)-2-methylsulfonylethenyl]benzene. It is also known as 2-Ethoxy-1-methoxy-4-Imp.of Apremilast.

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.

Pharmaceutical QC and development laboratories use this impurity standard of Apremilast 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.

We offer 2-Ethoxy-1-methoxy-4-(2-methylsulfonylethenyl)benzene in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Apremilast

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

Apremilast impurities

Specifications & identifiers

Chemical identifiers
Product name	2-Ethoxy-1-methoxy-4-(2-methylsulfonylethenyl)benzene
Catalogue No.	VQ-024333
CAS Number	1831833-38-5
IUPAC name	2-ethoxy-1-methoxy-4-[(E)-2-methylsulfonylethenyl]benzene
Molecular formula	C₁₂H₁₆O₄S
Molecular weight	256.32 g/mol
Exact mass	256.0769
Grade	Reference Standard
HSN code	38229090
InChIKey	FLRVGRARDLFNBV-BQYQJAHWSA-N
SMILES	CCOC1=C(C=CC(=C1)/C=C/S(=O)(=O)C)OC
PubChem CID	118545423

Physical properties
Physical form	Solid
LogP (XLogP3)	1.9
H-bond donors / acceptors	0 / 4
TPSA	61 Å²
Synonyms	2-Ethoxy-1-methoxy-4-Imp.of Apremilast, (E)-2-Ethoxy-1-methoxy-4-(2-(methylsulfonyl)vinyl)benzene, 2-Ethoxy-1-methoxy-4-[(1E)-2-(methylsulfonyl)ethenyl]benzene, Benzene, 2-ethoxy-1-methoxy-4-[2-(methylsulfonyl)ethenyl]-, Benzene, 2-ethoxy-1-methoxy-4-[(1E)-2-(methylsulfonyl)ethenyl]-

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 2-Ethoxy-1-methoxy-4-(2-methylsulfonylethenyl)benzene?

The CAS Registry Number of 2-Ethoxy-1-methoxy-4-(2-methylsulfonylethenyl)benzene is 1831833-38-5. It is also known as 2-Ethoxy-1-methoxy-4-Imp.of Apremilast, (E)-2-Ethoxy-1-methoxy-4-(2-(methylsulfonyl)vinyl)benzene, 2-Ethoxy-1-methoxy-4-[(1E)-2-(methylsulfonyl)ethenyl]benzene.

What is the molecular formula and molecular weight of 2-Ethoxy-1-methoxy-4-(2-methylsulfonylethenyl)benzene?

2-Ethoxy-1-methoxy-4-(2-methylsulfonylethenyl)benzene has the molecular formula C12H16O4S and a molecular weight of 256.32 g/mol. Its IUPAC name is 2-ethoxy-1-methoxy-4-[(E)-2-methylsulfonylethenyl]benzene.

What is 2-Ethoxy-1-methoxy-4-(2-methylsulfonylethenyl)benzene used for?

2-Ethoxy-1-methoxy-4-(2-methylsulfonylethenyl)benzene is supplied as a characterised reference material related to Apremilast. 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 2-Ethoxy-1-methoxy-4-(2-methylsulfonylethenyl)benzene can I order?

We supply 2-Ethoxy-1-methoxy-4-(2-methylsulfonylethenyl)benzene 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 2-Ethoxy-1-methoxy-4-(2-methylsulfonylethenyl)benzene?

Yes. Every lot of 2-Ethoxy-1-methoxy-4-(2-methylsulfonylethenyl)benzene 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 2-Ethoxy-1-methoxy-4-(2-methylsulfonylethenyl)benzene be shipped internationally?

Yes. We export 2-Ethoxy-1-methoxy-4-(2-methylsulfonylethenyl)benzene worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.