Zileuton

Name: Zileuton
Brand: Vaqora Chemicals
SKU: VQ-034738

About Zileuton

Zileuton is a high-purity reference standard of Zileuton carrying the CAS registry number 111406-87-2. The compound has the formula C11H12N2O2S, corresponding to a molecular weight of 236.29 g/mol. The IUPAC name is 1-[1-(1-benzothiophen-2-yl)ethyl]-1-hydroxyurea. Common synonyms include Leutrol and Zyflo CR.

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. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

As a reference sample of Zileuton, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Zileuton in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Zileuton

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

Zileuton impurities

Specifications & identifiers

Chemical identifiers
Product name	Zileuton
Catalogue No.	VQ-034738
CAS Number	111406-87-2
IUPAC name	1-[1-(1-benzothiophen-2-yl)ethyl]-1-hydroxyurea
Molecular formula	C₁₁H₁₂N₂O₂S
Molecular weight	236.29 g/mol
Exact mass	236.0619
Grade	Reference Standard
HSN code	38229090
InChIKey	MWLSOWXNZPKENC-UHFFFAOYSA-N
SMILES	CC(C1=CC2=CC=CC=C2S1)N(C(=O)N)O
PubChem CID	60490

Physical properties
Physical form	Solid
LogP (XLogP3)	1.6
H-bond donors / acceptors	2 / 3
TPSA	94.8 Å²
Synonyms	Leutrol, Zyflo CR, N-(1-Benzo(b)thien-2-ylethyl)-N-hydroxyurea, (+-)-1-(1-Benzo(b)thien-2-ylethyl)-1-hydroxyurea, N-[1-(benzo[b]thiophen-2-yl)ethyl]-N-hydroxyurea, n-(1-benzo[b]thien-2-ylethyl)-n-hydroxyurea, (+-)-1-(1-Benzo[b]thien-2-ylethyl)-1-hydroxyurea, Abbot 64077, 1-(1-(1-benzothiophen-2-yl)ethyl)-1-hydroxyurea, N-(1-(benzo(b)thiophen-2-yl)ethyl)-N-hydroxyurea, (+-)-N-Hydroxy-N-(1-benzo(b)thien-2-ylethyl)-urea, 1-(1-(Benzo[b]thiophen-2-yl)ethyl)-1-hydroxyurea

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H319Causes serious eye irritation

Precautionary statements: P264, P264 + P265, P270, P280, P301 + P317, P305 + P351 + P338, P330, P337 + P317, P501

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 Zileuton?

The CAS Registry Number of Zileuton is 111406-87-2. It is also known as Leutrol, Zyflo CR, N-(1-Benzo(b)thien-2-ylethyl)-N-hydroxyurea.

What is the molecular formula and molecular weight of Zileuton?

Zileuton has the molecular formula C11H12N2O2S and a molecular weight of 236.29 g/mol. Its IUPAC name is 1-[1-(1-benzothiophen-2-yl)ethyl]-1-hydroxyurea.

What is Zileuton used for?

Zileuton is supplied as a characterised reference material related to Zileuton. 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 Zileuton can I order?

We supply Zileuton 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 Zileuton?

Yes. Every lot of Zileuton 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 Zileuton be shipped internationally?

Yes. Zileuton 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.