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A maytansine derivative used in antibody-drug conjugates (e.g., trastuzumab emtansine). It disrupts microtubules in cancer cells.
Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Mertansine and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Mertansine 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 Mertansine-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.

CAT No: CL-MTSN-01
CAS No: 139504-50-0
Mol Wt: 738.3
Mol F: C35H48ClN3O10S
Inv Status:Custom Synthesis
CAT No: CL-MTSN-02
CAS No: 138148-62-6
Mol Wt: 237.3
Mol F: C8H15NO3S2
Inv Status:Custom Synthesis
CAT No: CL-MTSN-03
CAS No: 138148-59-1
Mol Wt: 152.2
Mol F: C4H8O2S2
Inv Status:Custom Synthesis
CAT No: CL-MTSN-04
CAS No: 1228105-53-0
Mol Wt: 975.5
Mol F: C47H63ClN4O14S
Inv Status:Custom Synthesis
CAT No: CL-MTSN-05
CAS No: 1281816-04-3
Mol Wt: 1103.7
Mol F: C53H75ClN6O15S
Inv Status:Custom Synthesis
CAT No: CL-MTSN-06
CAS No: 796073-69-3
Mol Wt: 780.4
Mol F: C38H54ClN3O10S
Inv Status:Custom Synthesis
CAT No: CL-MTSN-07
CAS No: 1613362-80-3
Mol Wt: 1072.6
Mol F: C51H66ClN5O16S
Inv Status:Custom Synthesis
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