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Cat. No.: HY-159934

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QI-18

QI-18 is a fibroblast activation protein (FAP) inhibitor with the IC₅₀ of 0.50 nM, which is a 6.5-fold increase in potency over that of UAMC-1110 (HY-100684，IC₅₀ of 3.25 nM). QI-18 can be used to synthesize high tumor selectivity and high dose radiotracers for the diagnosis and study of tumors.

For research use only. We do not sell to patients.

CAS No.: 3093894-38-0
Formula: C₃₁H₂₇F₂N₇O₇
Molecular Weight:647.59

Storage:

Please store the product under the recommended conditions in the Certificate of Analysis.

Data Sheet (267 KB)

QI-18 Chemical Structure

CAS No.: 3093894-38-0

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Use of MCE Products

Strong Fluorescence Signal / Multi-Disciplinary Applications / High Fluorescence Specificity

Biological Activity

Description

Chemical Information

CAS No. 3093894-38-0
Molecular Weight 647.59
Formula C₃₁H₂₇F₂N₇O₇
SMILES

OC(CNC([C@H](CC1=CC=C(C#N)C=C1)NC(COC2=CC=C(N=CC=C3C(NCC(N4CC(F)(F)C[C@H]4C#N)=O)=O)C3=C2)=O)=O)=O
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

Please store the product under the recommended conditions in the Certificate of Analysis.

Protocols

All Cell Biology

Cell Cytotoxicity Assay
Cytotoxicity assays are usually based on the assessment of cell membrane damage, which can also be indirectly detected by measuring cell viability. Detection methods include MTT assay, CKK-8 assay, LDH assay and ATP assay, etc.

Purity & Documentation

Select Batch:

Purity: 99.98%

Assay: 99.98%

ee.: 99.98%

Data Sheet (267 KB)
COA (2659 KB)
Elemental Analysis Report (2659 KB)
HNMR (2659 KB)
CNMR (2659 KB)
RP-HPLC (2659 KB)
NP-HPLC (2659 KB)
MS (2659 KB)
LCMS (2659 KB)
IR (2659 KB)
GC (2659 KB)
OR (2659 KB)
SDS-PAGE (2659 KB)
SEC-HPLC (2659 KB)
Other Report (2659 KB)
Handling Instructions (2659 KB)

References

[1]. Qiu X, et al. Rational modifications on N-(4-quinolinoyl)-Gly-2-cyanopyrrolidine to develop fibroblast activation protein-targeted radioligands with improved affinity and tumor uptake. Eur J Med Chem. 2025 Jan 5;281:117011. [Content Brief]

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Help & FAQs

How should lyophilized recombinant proteins be reconstituted and stored?

1. Before opening the cap, centrifuge the vial at 13000 rpm for 20-30 seconds. This step will ensure that any lyophilized powder that may have adhered to the cap or walls is collected at the bottom of the vial, minimizing the risk of product loss.

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100 mg

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