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

Rifabutin Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
25-O-Deacetyl Rifabutin-d7 Stable Isotopes CS-T-97663 Not Available Enquire
25-O-Desacetyl Rifabutin-d7 Stable Isotopes CS-P-02784 Not Available In Stock
Rifabutin D6 Stable Isotopes CS-O-16976 72559-06-9 (Unlabeled) Enquire
Rifabutin D7 Stable Isotopes CS-O-16975 2747918-39-2 Enquire
Rifabutin-d7 Stable Isotopes CS-T-95484 2747918-39-2 Enquire


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Rifabutin API Standards CS-O-30751 72559-06-9 Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
21R Rifabutin Impurities CS-O-45149 1294503-50-6 Enquire
31-Hydroxyrifabutin Impurities CS-ED-02085 100324-64-9 Enquire
3-Amino-4-deoxy-4-imino Rifamycin S Impurities CS-T-47727 62041-01-4 Enquire
N-Nitroso Rifabutin Impurities CS-EO-02709 Not Available Enquire
Rifabutin 14R epimer Impurities CS-O-40200 Not Available Enquire
Rifabutin EP Impurity C Impurities CS-P-08170 2241829-23-0 Enquire
Rifabutin N-Oxide Impurities CS-K-00155 645406-37-7 Enquire
Rifabutin N-oxide open ring Impurities CS-O-40203 Not Available Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
25-O-Deacetyl Rifabutin Intermediates CS-T-51640 100324-63-8 Enquire
25-O-Deacetyl-23-O-acetyl Rifabutin Intermediates CS-T-51639 1242076-43-2 Enquire