| Cas No.: | 115088-06-7 |
| Chemical Name: | Butanoic acid, 4-(2-pyridinyldithio)-, 2,5-dioxo-1-pyrrolidinyl ester |
| SMILES: | O=C(ON1C(=O)CCC1=O)CCCSSC1=CC=CC=N1 |
| Formula: | C13H14N2O4S2 |
| M.Wt: | 326.3913 |
| Purity: | >98% |
| Sotrage: | 2 years -20°C Powder, 2 weeks 4°C in DMSO, 6 months -80°C in DMSO |
| Description: | SPDB is a small fragment that can linked DM4 conjugates. Conjugated to antibodies utilizing disulfide linkers: anti-EGFR-SPDB-DM4 has been widely used. |
| References: | [1]. Widdison WC et al. Development of Anilino-Maytansinoid ADCs that Efficiently Release Cytotoxic Metabolitesin Cancer Cells andInduce High Levels of Bystander Killing. Bioconjug Chem, 2015 Nov 18, 26(11):2261-78. |

To enhance service speed and avoid tariff delays, we've opened a US warehouse. All US orders ship directly from our US facility.
