115787-68-3

115787-68-3 structure

Name: CI 972 (anhydrous)
Chemical Name: 2,6-diamino-7-(thiophen-3-ylmethyl)-1,5-dihydropyrrolo[3,2-d]pyrimidin-4-one,hydrochloride
CAS Number: 115787-68-3
Molecular Formula: C₁₁H₁₂ClN₅OS
Molecular Weight: 297.76400
Catalog: Signaling Pathways Cell Cycle/DNA Damage Nucleoside Antimetabolite/Analog
Create Date: 2016-09-24 14:09:13
Modify Date: 2025-08-20 17:37:54
CI 972 anhydrous is a potent, orally active, and competitive inhibitor of purine nucleoside phosphorylase (PNP) (Ki=0.83 μM) under development as a T cell-selective immunosuppressive agent[1][2].

Name	2,6-diamino-7-(thiophen-3-ylmethyl)-1,5-dihydropyrrolo[3,2-d]pyrimidin-4-one,hydrochloride
Synonyms	ci 972

Description	CI 972 anhydrous is a potent, orally active, and competitive inhibitor of purine nucleoside phosphorylase (PNP) (Ki=0.83 μM) under development as a T cell-selective immunosuppressive agent[1][2].
Related Catalog	Signaling Pathways >> Cell Cycle/DNA Damage >> Nucleoside Antimetabolite/Analog Research Areas >> Inflammation/Immunology
Target	Ki: 0.83 μM (PNP)[1]
In Vivo	CI 972 anhydrous (5-150 mg/kg; p.o.) produces dose-dependent elevation of plasma inosine one hour after administration to rats[1].
References	[1]. Gilbertsen RB, et al. Biochemical and pharmacological properties of CI-972, a novel 9-deazaguanine analog purine nucleoside phosphorylase (PNP) inhibitor. Adv Exp Med Biol. 1991;309A:41-4. [2]. Gilbertsen RB,et al. Selective in vitro inhibition of human MOLT-4 T lymphoblasts by the novel purine nucleoside phosphorylase inhibitor, CI-972. Biochem Biophys Res Commun. 1991 Aug 15;178(3):1351-8.

Hazard Codes	Xi