A1C5A

(5S)-2-amino-8-{5-O-[(R)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]oxy}phosphoryl]-beta-D-ribofuranosyl}imidazo[1,2-a][1,3,5]triazin-4(8H)-one

Created:	2026-01-20
Last modified:	2026-09-02

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1 entries where A1C5A is found as a standalone ligand

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Chemical Details
Formal Charge	0
Atom Count	48
Chiral Atom Count	4
Bond Count	50
Aromatic Bond Count	0

2D diagram of A1C5A

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Chemical Component Summary
Name	(5S)-2-amino-8-{5-O-[(R)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]oxy}phosphoryl]-beta-D-ribofuranosyl}imidazo[1,2-a][1,3,5]triazin-4(8H)-one
Systematic Name (OpenEye OEToolkits)	[[(2~{R},3~{S},4~{R},5~{R})-5-(2-azanyl-4-oxidanylidene-imidazo[1,2-a][1,3,5]triazin-8-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate
Formula	C₁₀ H₁₆ N₅ O₁₄ P₃
Molecular Weight	523.18
Type	NON-POLYMER

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	ACDLabs	14.52	O=P(O)(O)OP(=O)(O)OP(=O)(O)OCC1OC(N2C=CN3C(=O)N=C(N)N=C32)C(O)C1O
SMILES	CACTVS	3.385	NC1=NC(=O)N2C=CN([CH]3O[CH](CO[P](O)(=O)O[P](O)(=O)O[P](O)(O)=O)[CH](O)[CH]3O)C2=N1
SMILES	OpenEye OEToolkits	3.1.0.0	C1=CN2C(=NC(=NC2=O)N)N1C3C(C(C(O3)COP(=O)(O)OP(=O)(O)OP(=O)(O)O)O)O
Canonical SMILES	CACTVS	3.385	NC1=NC(=O)N2C=CN([C@@H]3O[C@H](CO[P](O)(=O)O[P](O)(=O)O[P](O)(O)=O)[C@@H](O)[C@H]3O)C2=N1
Canonical SMILES	OpenEye OEToolkits	3.1.0.0	C1=CN2C(=NC(=NC2=O)N)N1[C@H]3[C@@H]([C@@H]([C@H](O3)COP(=O)(O)OP(=O)(O)OP(=O)(O)O)O)O
InChI	InChI	1.06	InChI=1S/C10H16N5O14P3/c11-8-12-9-14(1-2-15(9)10(18)13-8)7-6(17)5(16)4(27-7)3-26-31(22,23)29-32(24,25)28-30(19,20)21/h1-2,4-7,16-17H,3H2,(H,22,23)(H,24,25)(H2,11,13,18)(H2,19,20,21)/t4-,5-,6-,7-/m1/s1
InChIKey	InChI	1.06	IQZUXNWUNRGQBD-DBRKOABJSA-N

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