DBCO-Hexanoyl-Gly-Gly-Phe-Gly-PAB(m-PEG8)-PNP Size:25mg 613 SMILES NCCCCCCNC(=O)CN1CCN(CC(O)=O)CCN(CC(O)=O)CCN(CC(O)=O)CC1 Purity (HPLC)

613 SMILES NCCCCCCNC(=O)CN1CCN(CC(O)=O)CCN(CC(O)=O)CCN(CC(O)=O)CC1 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

a highly potent topoisomerase I inhibitor derived from camptothecin

Product Name BG-DOTA-tris(t-Bu) Synonyms SNAP-DOTA-tris(t-Bu) CAS Number n/a Related CAS Molecular Formula C41H64N10O8 Molecular Weight 825

91 SMILES CC1=C(SC=N1)C1=CC=C(CNC(=O)[C@@H]2C[C@@H](O)CN2C(=O)[C@@H](NC(=O)CCOCCOCCOCCOCCOCCN=[N+]=[N-])C(C)(C)C)C=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

DBCO-Hexanoyl-Gly-Gly-Phe-Gly-PAB(m-PEG8)-PNP Size:25mg 613 SMILES NCCCCCCNC(=O)CN1CCN(CC(O)=O)CCN(CC(O)=O)CCN(CC(O)=O)CC1 Purity (HPLC)SOLU KNEX cleavable linker features a Gly Gly Phe Gly (GGFG) peptide. m PEG8 is attached to the commonly used self immolative para aminobenzyl (PAB) moiety to increase aqueous solubility. The PNP (para nitrophenyl) moiety serves as an activating leaving group, enabling efficient and selective conjugation of the payload to the linker. Derived from established ADC linker architectures, SOLU KNEX ADC linkers integrate solubilizing moietiessuch as PEG,