Sulfo-LC-SPDP sodium

• CAT Number: R000706
• CAS Number: 169751-10-4
• Molecular Formula: C18H22N3NaO8S3
• Molecular Weight: 527.57
• Purity: ≥95%
• Synonyms: sodium;2,5-dioxo-1-[6-[3-(pyridin-2-yldisulfanyl)propanoylamino]hexanoyloxy]pyrrolidine-3-sulfonate
• InChI: InChI=1S/C18H23N3O8S3.Na/c22-14(8-11-30-31-15-6-3-5-10-20-15)19-9-4-1-2-7-17(24)29-21-16(23)12-13(18(21)25)32(26,27)28;/h3,5-6,10,13H,1-2,4,7-9,11-12H2,(H,19,22)(H,26,27,28);/q;+1/p-1
• InChIKey: ZAPNXDUFCQIHFS-UHFFFAOYSA-M
• SMILES: C1C(C(=O)N(C1=O)OC(=O)CCCCCNC(=O)CCSSC2=CC=CC=N2)S(=O)(=O)[O-].[Na+]

Sulfo-LC-SPDP sodium is a cleavable ADC linker used in the synthesis of antibody-drug conjugates (ADCs)[1].
ADCs are comprised of an antibody to which is attached an ADC cytotoxin through an ADC linker[1].

Reference

[1]. Beck A, et al. Strategies and challenges for the next generation of antibody-drug conjugates. Nat Rev Drug Discov. 2017 May;16(5):315-337.
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