dPEG®x-biotin acid

Item Name: dPEG 12-biotin acid

Item #: 10197

Mol. Wt.: 844.02;

single compound dPEG Spacer is 40 atoms and 47.6 A

Item Name: dPEG 4-biotin acid

Item #: 10199 CAS #: 721431-18-1

Mol. Wt.: 491.60;

single compound dPEG Spacer is 16 atoms and 19.2 A

Item Name: dPEG 24-biotin acid

Item #: 10773

Mol. Wt.: 1372.65;

single compound dPEG Spacer is 76 atoms and 95.7 A