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INX-315

Chemical Structure : INX-315

CAS No.: 2745060-92-6

INX-315 (INX315, INX 315)

Catalog No.: PC-21500Not For Human Use, Lab Use Only.

INX-315 (INX315) is a highly potent, selective CDK2 inhibitor with IC50 of 0.6 and 2.5 nM for CDK2/cyclin E1 and CDK2/cyclin A2 respectively, shows high selectivity over other CDK family members.

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Purity & Documentation Purity: >98% (HPLC)

Biological Activity

INX-315 (INX315) is a highly potent, selective CDK2 inhibitor with IC50 of 0.6 and 2.5 nM for CDK2/cyclin E1 and CDK2/cyclin A2 respectively, shows high selectivity over other CDK family members.
INX-315 shows greater potency against CDK2/cyclin E1 in the NanoBRET assay (2.3 nM) and a greater selectivity over CDK1 and 9 compared to PF-07104091 (Cat# PC-20283).
INX-315 displays selectivity for CDK2/cyclin A1/E1/O with IC50 values of 4 nM or less, also potently inhibits CSF1R with IC50 of 2.29 nM.
INX-315 has a cellular mean IC50 of 26 nM against a panel of ovarian cancer cell lines (including five HGSOC with CCNE1-amplification), induces cell cycle arrest.
INX-315 promotes retinoblastoma protein hypo-phosphorylation and therapy-induced senescence (TIS) in CCNE1-amplified tumors, leading to durable control of tumor growth.
INX-315 overcomes breast cancer resistance to CDK4/6i, restoring cell cycle control whilst re-instating the chromatin architecture of CDK4/6i-induced TIS.
INX-315 delays the onset of CDK4/6i resistance in breast cancer by driving deeper suppression of E2F targets

Physicochemical Properties

M.Wt 427.48
Formula C19H21N7O3S
Appearance Solid
CAS No.
Storage
Solide Powder
-20°C 12 Months; 4°C 6 Months
In Solvent
-80°C 6 Months; -20°C 6 Months
Shipping
Solubility

10 mM in DMSO

Chemical Name/SMILES

4-((3'-oxo-2',3'-dihydro-1'H-spiro[cyclohexane-1,4'-pyrimido[5',4':4,5]pyrrolo[2,1-c][1,2,4]triazin]-7'-yl)amino)benzenesulfonamide

References

1. Dietrich C, et al. Cancer Discov. 2023 Dec 4. doi: 10.1158/2159-8290.CD-23-0954.

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