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Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Josamycin Propionate and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Josamycin Propionate impurities, metabolites, nitrosamine derivatives (N-NO compounds), and stable isotope-labeled products. These reference standards play a critical role in pharmaceutical R&D, supporting activities such as product formulation, ANDA and DMF submissions, quality assurance, analytical method development, and stability assessments.
All Josamycin Propionate-related substances undergo comprehensive characterization and are delivered with complete Certificates of Analysis and supporting analytical documentation to ensure regulatory adherence. Upon request, we can offer EP/USP traceable standards. Our products are routinely re-evaluated to maintain consistent quality and performance.

Josamycin Propionate
CAT No: CL-JSPN-001 CAS No: 40922-77-8 Mol Wt: 884.1 Mol F: C45H73NO16 Inv Status: Custom Synthesis
Chemical Name: (2S,3S,4R,6S)-6-(((2R,3S,4R,5R,6S)-6-(((4R,5S,6S,7R,9R,10R,11E,13E,16R)-4-acetoxy-5-methoxy-9,16-dimethyl-2-oxo-7-(2-oxoethyl)-10-(propionyloxy)oxacyclohexadeca-11,13-dien-6-yl)oxy)-4-(dimethylamino)-5-hydroxy-2-methyltetrahydro-2H-pyran-3-yl)oxy)-4-hydroxy-2,4-dimethyltetrahydro-2H-pyran-3-yl 3-methylbutanoate
Josamycin Propionate EP Impurity A
CAT No: CL-JSPN-002 CAS No: 610800-05-0 Mol Wt: 842 Mol F: C42H67NO16 Inv Status: Custom Synthesis
Chemical Name: leucomycin A8 9-propionate
Josamycin Propionate EP Impurity B
CAT No: CL-JSPN-003 CAS No: 56827-17-9 Mol Wt: 828 Mol F: C42H69NO15 Inv Status: Custom Synthesis
Chemical Name: leucomycin A5 9-propionate
Josamycin Propionate EP Impurity C
CAT No: CL-JSPN-004 CAS No: 209549-21-3 Mol Wt: 898.1 Mol F: C46H75NO16 Inv Status: Custom Synthesis
Chemical Name: platenomycin?A1 9-propionate
Josamycin Propionate EP Impurity E
CAT No: CL-JSPN-006 CAS No: 16846-24-5 Mol Wt: 828 Mol F: C42H69NO15 Inv Status: Custom Synthesis
Chemical Name: (4R,5S,6S,7R,9R,10R,11E,13E,16R)-4-(acetyloxy)-6-[[3,6-dideoxy-4-O-[2,6-dideoxy-3-C-methyl-4-O-(3-methylbutanoyl)-a-L-ribo-hexopyranosyl]-3-(dimethylamino)-?-D-glucopyranosyl]oxy]-10-hydroxy-5-methoxy-9,16-dimethyl-7-(2-oxoethyl)oxacyclohexadeca-11,13-dien-2-one
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