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Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Vinblastine and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Vinblastine 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 Vinblastine-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.

N-Nitroso Vinblastine Impurity A
CAT No: CL-VBS-NO-01 CAS No: NA Mol Wt: 825.96 Mol F: C45H55N5O10 Inv Status: Custom Synthesis
Chemical Name: Methyl (3Ar,3A1R,4R,5S,5Ar,10Br)-4-Acetoxy-3A-Ethyl-9-((5S,7R,9S)-5-Ethyl-5-Hydroxy-9-(Methoxycarbonyl)-1,4,5,6,7,8,9,10-Octahydro-2H-3,7-Methano[1]Azacycloundecino[5,4-B]Indol-9-Yl)-5-Hydroxy-8-Methoxy-6-Nitroso-3A,3A1,4,5,5A,6,11,12-Octahydro-1H-Indolizino[8,1-Cd]Carbazole-5-Carboxylate
N-Nitroso Vinblastine
CAT No: CL-VBSF-NO-01 CAS No: NA Mol Wt: 839.97 Mol F: C46H57N5O10 Inv Status: Custom Synthesis
Chemical Name: (3aR,3a1R,4R,5S,5aR,10bR)-methyl 4-acetoxy-3a-ethyl-9-((5S,7R,9S)-5-ethyl-5-hydroxy-9-(methoxycarbonyl)-10-nitroso-2,4,5,6,7,8,9,10-octahydro-1H-3,7-methano[1]azacycloundecino[5,4-b]indol-9-yl)-5-hydroxy-8-methoxy-6-methyl-3a,3a1,4,5,5a,6,11,12-octahydro-1H-indolizino[8,1-cd]carbazole-5-carboxylate
N-Nitroso Vinblastine Impurity B
CAT No: CL-VBS-NO-02 CAS No: NA Mol Wt: 797.95 Mol F: C44H55N5O9 Inv Status: Custom Synthesis
Chemical Name: methyl (3aS,3a1S,4S,5R,5aS,10bS)-3a-ethyl-9-((5S,7R,9S)-5-ethyl-5-hydroxy-9-(methoxycarbonyl)-10-nitroso-1,4,5,6,7,8,9,10-octahydro-2H-3,7-methano[1]azacycloundecino[5,4-b]indol-9-yl)-4,5-dihydroxy-8-methoxy-6-methyl-3a,3a1,4,5,5a,6,11,12-octahydro-1H-indolizino[8,1-cd]carbazole-5-carboxylate
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