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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Zileuton, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Zileuton impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Zileuton-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Zileuton Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Benzo[b]thien-2-yl Ketone-D10(Zileuton Impurity) Stable Isotopes CS-T-99364 Not Available Enquire
N-Dehydroxyzileuton-D4 (major) Stable Isotopes CS-T-100550 Not Available Enquire
Zileuton-d4 Stable Isotopes CS-O-02865 1189878-76-9 In Stock
Zileuton-13C2,15N Stable Isotopes CS-BU-00087 111406-87-2 (unlabeled) Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Zileuton API CS-O-11770 111406-87-2 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Zileuton Related Compound A Impurity CS-O-05541 171370-49-3 In Stock
Zileuton Related Compound C Impurity CS-O-05542 22720-75-8 In Stock
Benzo[b]thien-2-yl Ketone Impurity CS-T-48708 97978-07-9 Enquire
N,O-Bis(phenoxycarbonyl)hydroxylamine Impurity CS-O-39179 141580-65-6 Enquire
Zileuton Impurity 2 Impurity CS-P-07005 1026256-93-8 Enquire


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Zileuton-β-D-Glucuronide Glucuronide CS-T-62831 141056-63-5 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-(Benzo[b]thiophen-2-yl)ethanol Fine Chemicals CS-ZE-20097 51868-95-2 Enquire
1-(Benzo[b]thiophen-2-yl)ethanone oxime Fine Chemicals CS-ED-00154 147396-07-4 Enquire
2-(1-hydroxy­lamino­ethyl­)-benz­othiophene Fine Chemicals CS-EU-00277 118564-89-9 Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Zileuton Secondary Standards CS-SS-25374-200MG 111406-87-2 Enquire
Zileuton Related Compound B Secondary Standards CS-SS-25861-100MG 97978-07-09 Enquire
Zileuton Related Compound C Secondary Standards CS-SS-26034-100MG 22720-75-8 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(Z)-1-(benzo[b]thiophen-2-yl) ethanone oxime Building Blocks CS-T-93676 147396-08-5 Enquire