Torasemide EP Impurity D

Name: Torasemide EP Impurity D
Brand: Vaqora Chemicals
SKU: VQ-023920

About Torasemide EP Impurity D

Listed under CAS 160972-33-8, Torasemide EP Impurity D is a pharmacopeial impurity of Torsemide available from Vaqora Chemicals. Formula C17H22N4O3S, molecular weight 362.4 g/mol. Systematically, it is named 1-butyl-3-[[4-(3-methylanilino)-3-pyridinyl]sulfonyl]urea. It is also known as Torsemide Impurity D or Torsemide EP Impurity D.

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. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Torsemide, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory 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, Torasemide EP Impurity D 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 Torsemide

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

Torsemide impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Torasemide EP Impurity D
Catalogue No.	VQ-023920
CAS Number	160972-33-8
IUPAC name	1-butyl-3-[[4-(3-methylanilino)-3-pyridinyl]sulfonyl]urea
Molecular formula	C₁₇H₂₂N₄O₃S
Molecular weight	362.4 g/mol
Exact mass	362.1413
Grade	Reference Standard
HSN code	38229090
InChIKey	YITRQCQYMPXGMU-UHFFFAOYSA-N
SMILES	CCCCNC(=O)NS(=O)(=O)C1=C(C=CN=C1)NC2=CC=CC(=C2)C
PubChem CID	23276643

Physical properties
Physical form	Solid
LogP (XLogP3)	3.1
H-bond donors / acceptors	3 / 5
TPSA	109 Å²
Synonyms	Torsemide Impurity D, Torsemide EP Impurity D, Torasemide - Impurity D, Desisopropyl butyl torsemide, 3-Pyridinesulfonamide, N-((butylamino)carbonyl)-4-((3-methylphenyl)amino)-, N-(Butylcarbamoyl)-4-(m-tolylamino)pyridine-3-sulfonamide, N-1-Butyl-1-demethylethyl Torsemide, 1-butyl-3-[4-(3-methylanilino)pyridin-3-yl]sulfonylurea, N-[(n-butylaMino)carbonyl]-4-[(3-Methylphenyl)aMino]-3-pyridinesulfonaMide, 1-Butyl-3-[[4-[(3-methylphenyl)amino]pyridin-3-yl]sulfonyl]urea, 1-butyl-3-[[4-(3-methylanilino)-3-pyridyl]sulfonyl]urea

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H319Causes serious eye irritation

Precautionary statements: P264 + P265, P280, P305 + P351 + P338, P337 + P317

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 Torasemide EP Impurity D?

The CAS Registry Number of Torasemide EP Impurity D is 160972-33-8. It is also known as Torsemide Impurity D, Torsemide EP Impurity D, Torasemide - Impurity D.

What is the molecular formula and molecular weight of Torasemide EP Impurity D?

Torasemide EP Impurity D has the molecular formula C17H22N4O3S and a molecular weight of 362.4 g/mol. Its IUPAC name is 1-butyl-3-[[4-(3-methylanilino)-3-pyridinyl]sulfonyl]urea.

What is Torasemide EP Impurity D used for?

Torasemide EP Impurity D is supplied as a characterised reference material related to Torsemide. 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 Torasemide EP Impurity D can I order?

We supply Torasemide EP Impurity D 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 Torasemide EP Impurity D?

Yes. Every lot of Torasemide EP Impurity D 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 Torasemide EP Impurity D be shipped internationally?

Yes. Torasemide EP Impurity D is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.