(S)-3-Methyl-5-(5-(3,4,5-trichlorophenyl)-5-(… 1918956-01-0

Name: (S)-3-Methyl-5-(5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)thiophene-2-carboxylic Acid
Brand: Vaqora Chemicals
SKU: VQ-031657

About (S)-3-Methyl-5-(5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)thiophene-2-carboxylic Acid

Vaqora Chemicals supplies (S)-3-Methyl-5-(5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)thiophene-2-carboxylic Acid, an impurity of Lotilaner registered under CAS number 1918956-01-0. The compound has the formula C16H9Cl3F3NO3S, corresponding to a molecular weight of 458.7 g/mol. Systematically, it is named 3-methyl-5-[(5S)-5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4H-1,2-oxazol-3-yl]thiophene-2-carboxylic acid.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Lotilaner, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer (S)-3-Methyl-5-(5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)thiophene-2-carboxylic Acid 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 Lotilaner

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

Lotilaner impurities

Specifications & identifiers

Chemical identifiers
Product name	(S)-3-Methyl-5-(5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)thiophene-2-carboxylic Acid
Catalogue No.	VQ-031657
CAS Number	1918956-01-0
IUPAC name	3-methyl-5-[(5S)-5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4H-1,2-oxazol-3-yl]thiophene-2-carboxylic acid
Molecular formula	C₁₆H₉Cl₃F₃NO₃S
Molecular weight	458.7 g/mol
Exact mass	456.9321
Grade	Reference Standard
HSN code	38229090
InChIKey	LKKAIVLTHSTYTP-HNNXBMFYSA-N
SMILES	CC1=C(SC(=C1)C2=NO[C@@](C2)(C3=CC(=C(C(=C3)Cl)Cl)Cl)C(F)(F)F)C(=O)O
PubChem CID	90220102

Physical properties
Physical form	Solid
LogP (XLogP3)	6.4
H-bond donors / acceptors	1 / 8
TPSA	87.1 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 (S)-3-Methyl-5-(5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)thiophene-2-carboxylic Acid?

The CAS Registry Number of (S)-3-Methyl-5-(5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)thiophene-2-carboxylic Acid is 1918956-01-0.

What is the molecular formula and molecular weight of (S)-3-Methyl-5-(5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)thiophene-2-carboxylic Acid?

(S)-3-Methyl-5-(5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)thiophene-2-carboxylic Acid has the molecular formula C16H9Cl3F3NO3S and a molecular weight of 458.7 g/mol. Its IUPAC name is 3-methyl-5-[(5S)-5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4H-1,2-oxazol-3-yl]thiophene-2-carboxylic acid.

What is (S)-3-Methyl-5-(5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)thiophene-2-carboxylic Acid used for?

(S)-3-Methyl-5-(5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)thiophene-2-carboxylic Acid 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 (S)-3-Methyl-5-(5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)thiophene-2-carboxylic Acid can I order?

We supply (S)-3-Methyl-5-(5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)thiophene-2-carboxylic Acid 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 (S)-3-Methyl-5-(5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)thiophene-2-carboxylic Acid?

Yes. Every lot of (S)-3-Methyl-5-(5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)thiophene-2-carboxylic Acid 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 (S)-3-Methyl-5-(5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)thiophene-2-carboxylic Acid be shipped internationally?

Yes. We export (S)-3-Methyl-5-(5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)thiophene-2-carboxylic Acid worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.