Methyl 4-acetyl-5-methylthiophene-2-carboxyla… 116368-65-1

Name: Methyl 4-acetyl-5-methylthiophene-2-carboxylate
Brand: Vaqora Chemicals
SKU: VQ-038160

About Methyl 4-acetyl-5-methylthiophene-2-carboxylate

Listed under CAS 116368-65-1, Methyl 4-acetyl-5-methylthiophene-2-carboxylate is an impurity of Lotilaner available from Vaqora Chemicals. Its molecular formula is C9H10O3S and its molecular weight is 198.24 g/mol.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Lotilaner impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Methyl 4-acetyl-5-methylthiophene-2-carboxylate in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Lotilaner

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

Lotilaner impurities

Specifications & identifiers

Chemical identifiers
Product name	Methyl 4-acetyl-5-methylthiophene-2-carboxylate
Catalogue No.	VQ-038160
CAS Number	116368-65-1
IUPAC name	methyl 4-acetyl-5-methylthiophene-2-carboxylate
Molecular formula	C₉H₁₀O₃S
Molecular weight	198.24 g/mol
Exact mass	198.0351
Grade	Reference Standard
HSN code	38229090
InChIKey	GRYKQRDKTNFJQN-UHFFFAOYSA-N
SMILES	CC1=C(C=C(S1)C(=O)OC)C(=O)C
PubChem CID	71339073

Physical properties
Physical form	Solid
LogP (XLogP3)	1.9
H-bond donors / acceptors	0 / 4
TPSA	71.6 Å²

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 Methyl 4-acetyl-5-methylthiophene-2-carboxylate?

The CAS Registry Number of Methyl 4-acetyl-5-methylthiophene-2-carboxylate is 116368-65-1. It is also known as 2-Thiophenecarboxylic acid, 4-acetyl-5-methyl-, methyl ester.

What is the molecular formula and molecular weight of Methyl 4-acetyl-5-methylthiophene-2-carboxylate?

Methyl 4-acetyl-5-methylthiophene-2-carboxylate has the molecular formula C9H10O3S and a molecular weight of 198.24 g/mol. Its IUPAC name is methyl 4-acetyl-5-methylthiophene-2-carboxylate.

What is Methyl 4-acetyl-5-methylthiophene-2-carboxylate used for?

Methyl 4-acetyl-5-methylthiophene-2-carboxylate is supplied as a characterised reference material related to Lotilaner. 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 Methyl 4-acetyl-5-methylthiophene-2-carboxylate can I order?

We supply Methyl 4-acetyl-5-methylthiophene-2-carboxylate 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 Methyl 4-acetyl-5-methylthiophene-2-carboxylate?

Yes. Every lot of Methyl 4-acetyl-5-methylthiophene-2-carboxylate 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 Methyl 4-acetyl-5-methylthiophene-2-carboxylate be shipped internationally?

Yes. We export Methyl 4-acetyl-5-methylthiophene-2-carboxylate worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.