|  | |  |  | 6H-Purin-6-one, 2-amino-1,9-dihydro-9-[(1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]- Basic information | 
 | Product Name: | 6H-Purin-6-one, 2-amino-1,9-dihydro-9-[(1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]- |  | Synonyms: | [1R-(1α,3α,4β)]-2-AMino-1,9-dihydro-9-[4-hydroxy-3-(hydroxyMethyl)-2-Methylenecyclopentyl]-6H-purin-6-one;6H-Purin-6-one, 2-amino-1,9-dihydro-9-[(1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-;2-Amino-1,9-dihydro-9-[(1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one;2-amino-9-[(1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-3H-purin-6-one;enantiomer ENANTIOMER F;Entecavir impurity 4/(1R,3S,4R)-Entecavir/2-amino-9-((1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one;ent-Entecavir;2-Amino-9-((1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1H-purin-6(9H)-one |  | CAS: | 188399-46-4 |  | MF: | C12H15N5O3 |  | MW: | 277.28 |  | EINECS: |  |  | Product Categories: |  |  | Mol File: | 188399-46-4.mol |  | ![6H-Purin-6-one, 2-amino-1,9-dihydro-9-[(1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]- Structure](CAS/GIF/188399-46-4.gif) | 
|  |  | 6H-Purin-6-one, 2-amino-1,9-dihydro-9-[(1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]- Chemical Properties | 
 | Melting point | >239°C (dec.) |  | density | 1.81 |  | storage temp. | Hygroscopic, -20°C Freezer, Under inert atmosphere |  | solubility | DMSO (Slightly), Methanol (Slightly) |  | form | Solid |  | pka | 9?+-.0.20(Predicted) |  | color | White to Off-White | 
|  |  | 6H-Purin-6-one, 2-amino-1,9-dihydro-9-[(1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]- Usage And Synthesis | 
 | Chemical Properties | White Solid |  | Uses | ent-Entecavir is an enantiomeric impurity of the antiviral drug Entecavir (E558900). | 
|  |  | 6H-Purin-6-one, 2-amino-1,9-dihydro-9-[(1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]- Preparation Products And Raw materials | 
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