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Chemical structure of SC209

GC69863

SC209

Also known as (E,4S)-4-[[(2S)-2-[[(2S)-3-(3-aminophenyl)-3-methyl-2-(methylamino)butanoyl]amino]-3,3-dimethylbutanoyl]-methylamino]-2,5-dimethylhex-2-enoic acid

SC209 is an ADC cytotoxin derived from patent WO2021247798, used for synthesizing anti-EGFR antibody-active molecule conjugated ADCs· SC209 is a metabolite of STRO-002

ChemicalCAS1977557-86-0MW488.66FormulaC27H44N4O4
CAS number
1977557-86-0
Molecular weight
488.66
Formula
C27H44N4O4
Solubility
DMSO ： 300 mg/mL (613·92 mM; Need ultrasonic)
InChIKey
ILRXQTICSGMLFH-ZYRIPLEJSA-N
Catalogue number
GC69863
Brand
GLPBIO
Computed properties PubChem CID 122467623 · XLogP 1.9 · TPSA 125 Ų · H-bond donors 4
XLogP
1.9
TPSA
125 Ų
H-bond donors
4
H-bond acceptors
6
Rotatable bonds
11
Heavy atoms
35

SMILES CC(C)[C@@H](/C=C(\C)/C(=O)O)N(C)C(=O)[C@H](C(C)(C)C)NC(=O)[C@H](C(C)(C)C1=CC(=CC=C1)N)NC

Computed descriptors from PubChem (CID 122467623), public domain. Identity cross-checked against the supplier's molecular formula and weight — verify before use.

Ordering in Israel

Lead time
Ships from the manufacturer to your lab in 8–14 business days; customs and cold chain handled by LABO Scientific.
Pricing
Quoted in ILS, excl. VAT. Add the item to your quote and we confirm the final price, usually the same business day.
Documents
Lot certificate of analysis and manufacturer SDS are emailed with your order confirmation.
Who we serve
Universities, hospitals and biotech companies across Israel. Research use only — not for diagnostic or therapeutic use.