Mal-Acetyl-Dap(m-PEG4)-Val-Cit-PAB(m-PEG4)-PNP Size:25mg 73 SMILES: CCN(CC)C1=CC=C2C(OC3=CC(C=CC3=C2C2=CC=C(C=C2S([O-])(=O)=O)S(=O)(=O)NCC#C)=[N+](CC)CC)=C1 Purity (HPLC):

73 SMILES: CCN(CC)C1=CC=C2C(OC3=CC(C=CC3=C2C2=CC=C(C=C2S([O-])(=O)=O)S(=O)(=O)NCC#C)=[N+](CC)CC)=C1 Purity (HPLC): ≥ 95% Shipping Conditions: room temperature Storage Conditions: Refrigerated Regulatory Statement: For Research Use Only

46 SMILES OCCOCCOCCOCCNC1=C2C(=O)N(C3CCC(=O)NC3=O)C(=O)C2=CC=C1 Purity (HPLC) >= 95% Shipping Conditions Room temperature Storage Conditions Refrigerated Shelf Life 12 months after the date of delivery Regulatory Statement For Research Use Only

and cell death

Compared to earlier iterations

Product Name Azide-Dap(m-PEG4)-Val-Cit-PAB(m-PEG8)-MMAE Synonyms CAS Number Related CAS Molecular Formula C89H151N15O27 Molecular Weight 1863

Mal-Acetyl-Dap(m-PEG4)-Val-Cit-PAB(m-PEG4)-PNP Size:25mg 73 SMILES: CCN(CC)C1=CC=C2C(OC3=CC(C=CC3=C2C2=CC=C(C=C2S([O-])(=O)=O)S(=O)(=O)NCC#C)=[N+](CC)CC)=C1 Purity (HPLC):SOLU KNEX cleavable linker features a Val Cit dipeptide. In this product, a Mal Acetyl Dap(m PEG4) moiety replaces the conventional maleimidocaproyl (MC) unit to enhance aqueous solubility. The Mal Acetyl group may also improve retro Michael addition stability during antibody conjugation. Additionally, m PEG4 is attached to the commonly used self immolative para aminobenzyl (PAB) moiety to further increase aqueous solubility. The PNP (para