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

Clarithromycin Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
12-O-Methyl Clarithromycin-d3 Stable Isotopes CS-T-96504 Not Available Enquire
14-Hydroxy clarithromycin-13C-d3 Stable Isotopes CS-P-02727 110671-78-8(Unlabeled) Enquire
Clarithromycin-13C Stable Isotopes CS-O-06492 81103-11-9(Unlabeled) In Stock
Clarithromycin-13C,D3 Stable Isotopes CS-EO-02432 81103-11-9(Unlabeled) Enquire
Clarithromycin-d3 Stable Isotopes CS-CX-00246 959119-17-6 In Stock
Clarithromycin-N-methyl-13C, d3 Stable Isotopes CS-T-94841 Not Available Enquire
Clarithromycin-N-methyl-d3 Stable Isotopes CS-T-96316 959119-22-3 Enquire


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(14S)-14-Hydroxy Clarithromycin-13CD3 API Standards CS-O-44738 116836-40-9 (unlabelled) Enquire
Clarithromycin API Standards CS-O-00499 81103-11-9 In Stock
Clarithromycin Trityl Hydrazone API Standards CS-T-72917 1030374-65-2 Enquire


Metabolites

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(14R)-14-Hydroxy Clarithromycin Metabolites CS-O-14361 116836-41-0 In Stock
(14R)-14-Hydroxy Clarithromycin 13CD3 Metabolites CS-O-45456 116836-41-0 (Unlabelled) Enquire
Clarithromycin M8 Metabolites CS-B-00252 Not Available Enquire
Clarithromycin N-Oxide Metabolites CS-T-51168 118074-07-0 In Stock


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(14S)-14-Hydroxy Clarithromycin Impurities CS-O-44494 116836-40-9 Enquire
14-Hydroxyclarithromycin Impurities CS-ED-00565 110671-78-8 Enquire
Clarithromycin 2’-O-Acetate Impurities CS-T-71909 103461-66-1 Enquire
Clarithromycin 9-Oxime Impurities CS-T-72268 103450-87-9 In Stock
Clarithromycin Corresponding impurity of erythromycin E Impurities CS-O-43978 Not Available Enquire
Clarithromycin EP impurity A Impurities CS-O-11818 124412-58-4 In Stock
Clarithromycin EP impurity B Impurities CS-O-11821 299409-85-1 Enquire
Clarithromycin EP impurity C Impurities CS-O-11824 127253-06-9 In Stock
Clarithromycin EP Impurity D Impurities CS-T-52214 101666-68-6 In Stock
Clarithromycin EP Impurity E Impurities CS-O-31092 81103-14-2 In Stock
Clarithromycin EP impurity F Impurities CS-T-57950 128940-83-0 In Stock
Clarithromycin EP impurity G Impurities CS-O-11828 127182-44-9 In Stock
Clarithromycin EP impurity H Impurities CS-T-51865 127140-69-6 In Stock
Clarithromycin EP Impurity I Impurities CS-T-51698 118058-74-5 In Stock
Clarithromycin EP impurity K Impurities CS-T-51699 127157-35-1 In Stock
Clarithromycin EP Impurity L Impurities CS-O-11826 127253-05-8 In Stock
Clarithromycin EP impurity M Impurities CS-O-11829 127182-43-8 In Stock
Clarithromycin EP Impurity N Impurities CS-O-11830 144604-03-5 In Stock
Clarithromycin EP impurity O Impurities CS-O-11827 127252-80-6 In Stock
Clarithromycin EP Impurity P Impurities CS-T-53545 123967-58-8 In Stock
Clarithromycin Impurity 4 Impurities CS-O-43979 Not Available Enquire
Clarithromycin_EDO Impurities CS-T-93483 119665-78-0 In Stock
Clarithromycin_EO Impurities CS-O-34200 119665-77-9 Enquire
Clarithromycin_MEDO Impurities CS-O-34199 119665-70-2 Enquire
Clarithromycin-N-methyl-13C-D3 Impurities CS-O-45303 Not Available Enquire


EP Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Clarithromycin (Y0000320) EP Standards CS-EG-00866 81103-11-9 Enquire
Clarithromycin for peak identification (Y0000321) EP Standards CS-EG-00365 81103-11-9 Enquire