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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Ethambutol, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Ethambutol 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 Ethambutol-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.

Ethambutol Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2S,2′S)-Ethambutol-d10 (1,1,1′,1′,2,2′-d6; ethylene-d4) Stable Isotopes CS-C-00561 1129526-24-4 Enquire
(S,S)-Ethambutol D4 Dihydrochloride Stable Isotopes CS-Y-00102 1129526-19-7 (Freebase) Enquire
Ethambutol-d4 Stable Isotopes CS-O-02691 1129526-19-7 In Stock
Ethambutol-d8 Stable Isotopes CS-P-08231 1129526-23-3 Enquire


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Ethambutol API Standards CS-T-92427 74-55-5 In Stock
Ethambutol Hydrochloride API Standards CS-O-01491 1070-11-7 In Stock


Metabolites

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2,2'-(ethane-1,2-diylbis(azanediyl))dibutanal Metabolites CS-O-35630 502-25-0 Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Dinitraso-Ethambutol Impurities CS-O-38461 2514965-31-0 In Stock
Ethambutol EP Impurity C Impurities CS-EO-03543 10054-05-4 Enquire
Ethambutol EP Impurity C Dihydrochloride Impurities CS-O-03602 134566-79-3 In Stock
Ethambutol Related Compound A Impurities CS-O-03601 10054-06-5 In Stock
Ethambutol S,R-Isomer DiHydrochloride Impurities CS-P-06961 10054-06-5 (free base) Enquire
Mononitroso (R,R)-Ethambutol Impurities CS-T-94516 78213-39-5 In Stock
Rel-Ethambutol EP Impurity B DiHCl Impurities CS-O-45651 32454-69-6 Enquire


EP Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Ethambutol for system suitability (Y0000803) EP Standards CS-EG-02704 1070-11-7 Enquire