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Chemical structure of SPB

GC33619

SPB

Also known as (2,5-dioxopyrrolidin-1-yl) 4-(7-oxofuro[3,2-g]chromen-9-yl)oxybutanoate

SPB is a drug-linker conjugate for ADC with potent anti-inflammatory activity by using Xanthotoxol, linked via the ADC linker

ChemicalCAS858128-57-1MW385.32FormulaC19H15NO8
CAS number
858128-57-1
Molecular weight
385.32
Formula
C19H15NO8
Solubility
DMSO ： ≥ 34 mg/mL (88·24 mM)
InChIKey
ZOMXGWWLJXRQKZ-UHFFFAOYSA-N
Catalogue number
GC33619
Brand
GLPBIO
Computed properties PubChem CID 15950836 · XLogP 1.2 · TPSA 112 Ų · H-bond donors 0
XLogP
1.2
TPSA
112 Ų
H-bond donors
0
H-bond acceptors
8
Rotatable bonds
7
Heavy atoms
28

SMILES C1CC(=O)N(C1=O)OC(=O)CCCOC2=C3C(=CC4=C2OC=C4)C=CC(=O)O3

Computed descriptors from PubChem (CID 15950836), 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
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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.