tert-butyl 2-[4-(2-aminoethyl)piperazin-1-yl]acetate 4' CC1=C(SC=N1)C1=CC=C(CNC(=O)[C@@H]2C[C@@H](O)CN2C(=O)[C@@H](NC(=O)CCN2CCNCC2)C(C)(C)C)C=C1 Purity (HPLC) >= 95%

CC1=C(SC=N1)C1=CC=C(CNC(=O)[C@@H]2C[C@@H](O)CN2C(=O)[C@@H](NC(=O)CCN2CCNCC2)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

291 SMILES CC(C)(C)OC(=O)N1CCN(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

419 SMILES OCCOCCOCCCC1=CC=C2C(=O)N(C3CCC(=O)NC3=O)C(=O)C2=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

NCCCCNC1=C2CN(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

tert-butyl 2-[4-(2-aminoethyl)piperazin-1-yl]acetate 4' CC1=C(SC=N1)C1=CC=C(CNC(=O)[C@@H]2C[C@@H](O)CN2C(=O)[C@@H](NC(=O)CCN2CCNCC2)C(C)(C)C)C=C1 Purity (HPLC) >= 95%Nitrogen Heterocycle Based Linker (NHBL). Binfunctional amine carboxylic acid linker. Product Name tert butyl 2 [4 (2 aminoethyl)piperazin 1 yl]acetate Synonyms CAS Number n a Related CAS Molecular Formula C12H25N3O2 Molecular Weight 243. 351 SMILES CC(C)(C)OC(=O)CN1CCN(CCN)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