A1CUL

(7S)-6-(5-chloropyridin-2-yl)-7-hydroxy-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-one

Created:	2025-09-18
Last modified:	2026-02-18

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1 entries where A1CUL is found as a standalone ligand

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Chemical Details
Formal Charge	0
Atom Count	25
Chiral Atom Count	1
Bond Count	27
Aromatic Bond Count	12

2D diagram of A1CUL

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Chemical Component Summary
Name	(7S)-6-(5-chloropyridin-2-yl)-7-hydroxy-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-one
Systematic Name (OpenEye OEToolkits)	(7~{S})-6-(5-chloranylpyridin-2-yl)-7-oxidanyl-7~{H}-pyrrolo[3,4-b]pyrazin-5-one
Formula	C₁₁ H₇ Cl N₄ O₂
Molecular Weight	262.652
Type	NON-POLYMER

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	ACDLabs	14.52	Clc1ccc(nc1)N1C(=O)c2nccnc2C1O
SMILES	CACTVS	3.385	O[CH]1N(c2ccc(Cl)cn2)C(=O)c3nccnc13
SMILES	OpenEye OEToolkits	3.1.0.0	c1cc(ncc1Cl)N2C(c3c(nccn3)C2=O)O
Canonical SMILES	CACTVS	3.385	O[C@@H]1N(c2ccc(Cl)cn2)C(=O)c3nccnc13
Canonical SMILES	OpenEye OEToolkits	3.1.0.0	c1cc(ncc1Cl)N2[C@H](c3c(nccn3)C2=O)O
InChI	InChI	1.06	InChI=1S/C11H7ClN4O2/c12-6-1-2-7(15-5-6)16-10(17)8-9(11(16)18)14-4-3-13-8/h1-5,10,17H/t10-/m0/s1
InChIKey	InChI	1.06	FUUXOEKDNNWZTR-JTQLQIEISA-N

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.