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CAS Registry Number

CAS 57078-98-5 — 4-Maleimidobutyric acid

CAS 57078-98-5 C8H9NO4 MW 183.16

4-Maleimidobutyric acid is an organic compound featuring a maleimide group, widely used in bioconjugation, peptide synthesis, and polymer chemistry for crosslinking proteins, antibodies, and other biomolecules. It enables site-specific modifications via thiol-maleimide reactions, ideal for drug development and diagnostic assays. Catalogue details: CAS 57078-98-5, molecular formula C8H9NO4, molecular weight 183.16 g/mol. Store at 2–8°C. Hazard classification: Warning (irritant, may cause skin/eye irritation). Molekula supplies 4-Maleimidobutyric acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

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Molekula products for CAS 57078-98-5

Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.

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