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Sulfo-SMCC sodium is a commonly used hetero-bifunctional, noncleavable ADC crosslinker bearing N-hydroxysuccinimide (NHS) ester and maleimide groups to react with primary amines and sulfhydryl groups, respectively. Sulfo-SMCC is heterobifunctionalcrosslinker that contains N-hydroxysuccinimide (NHS) ester and maleimide groups that allow covalent conjugation of amine- and sulfhydryl-containing molecules. NHS esters react with primary amines at pH 7~9 to form amide bonds, while maleimides react with sulfhydryl groups at pH 6.5~7.5 to form stable thioether bonds. In aqueous solutions, NHS ester hydrolytic degradation is a competing reaction whose rate increases with pH. The maleimide group is more stable than the NHS-ester group but will slowly hydrolyze and loses its reaction specificity for sulfhydryls at pH values > 7.5. For these reasons, conjugations with these crosslinkers are usually performed at pH 7.2~7.5, with the NHS-ester (amine-targeted) reacted before or simultaneous with the maleimide (sulfhydryltargeted) reaction.
| Molecular Weight | 436.37 |
| Formula | C16H17N2NaO9S |
| CAS Number | 92921-24-9 |
| Solubility (25°C) | Water 2.5 mg/mL DMSO |
| Storage | 2-8°C, protect from light, dry, sealed |
| Related Drug-Linker Conjugates for ADC Products |
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| MC-SN38
MC-SN38 is a agent-linker conjugate composed of a potent microtubule-disrupting agent SN38 and a non-cleavable MC linker to make antibody agent conjugate (ADC). |
| DM4-SMCC
DM4-SMCC is a agent-linker conjugate for ADC with antitumor activity by using DM4 (an antitubulin agent), linked via the non-cleavable SMCC linker. |
| Lys-SMCC-DM1
Lys-SMCC-DM1 (Lys-Nε-MCC-DM1) is a agent-linker conjugates for ADC that can inhibit tubulin polymerization. |
| Doxorubicin-SMCC
Doxorubicin-SMCC is a agent-linker conjugate for ADC. |
| Mal-PEG4-VC-PAB-DMEA-PNU-159682
Mal-PEG4-VC-PAB-DMEA-PNU-159682, a agent-linker conjugate for ADC, consists the ADC linker Mal-PEG4-VC-PAB and a potent ADC cytotoxin DMEA-PNU-159682. |
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