Entecavir Impurity
- CAS NO.：1333204-94-6
- Empirical Formula: C12H15N5O3
- Molecular Weight: 277.28
- MDL number: MFCD11100789
- Update Date: 2026-07-28 08:09:04
What is Entecavir Impurity?
The Uses of Entecavir Impurity
(1R,3S,4S)-Entecavir is an impurity of Entecavir (E558900).
Definition
ChEBI: Entecavir (anhydrous) is guanine substituted at the 9 position by a 4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl group. A synthetic analogue of 2'-deoxyguanosine, it is a nucleoside reverse transcriptase inhibitor with selective antiviral activity against hepatitis B virus. Entecavir is phosphorylated intracellularly to the active triphosphate form, which competes with deoxyguanosine triphosphate, the natural substrate of hepatitis B virus reverse transcriptase, inhibiting every stage of the enzyme's activity, although it has no activity against HIV. It is used for the treatment of chronic hepatitis B. It has a role as an EC 2.7.7.49 (RNA-directed DNA polymerase) inhibitor and an antiviral drug. It is a member of 2-aminopurines, an oxopurine, a primary alcohol and a secondary alcohol.
Properties of Entecavir Impurity
| Boiling point: | 661.4±65.0 °C(Predicted) |
| Density | 1.81±0.1 g/cm3(Predicted) |
| pka | 14.22±0.60(Predicted) |
Safety information for Entecavir Impurity
Computed Descriptors for Entecavir Impurity
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2-(2-Chlorophenyl)glycine Propiolic Acid 1-(3-Hydroxy-4-methoxyphenyl)-2-nitroethene (±)-amino(2-fluorophenyl)acetic acid trans-3-Benzyloxy-4-methoxy-beta-nitrostyrene 1-Pentadecanol 2,4-Dihydroxybenzaldehyde Dipropyl disulfide Pyrrolo[1,2-a]pyrimidine-6-carboxylic acid, 4,6,7,8-tetrahydro-4-oxo-, sodium salt (1:1), (6S) Obidoxime hydrochloride API 4 pentyn 1 ol N-Vinylformamide Methacrylate-PEG-Methacrylate, Mn:35000 2,4-Dihydroxyacetophenone 2-Chloro 5-Fluoro Pyridine Vasicinone 2-Chloroisonicotinic Acid Tween 80 or Polysorbate 80 2-Butyn-1-oL N-(4-Cyano-3-(trifluoromethyl)phenyl)-2-methyloxirane-2-carboxamide N-(4-fluoro-2-methoxy-5-nitrophenyl)-4-(1-methyl-1H-indol-3-yl)pyrimidin-2-amine Pirtobrutinib intd. 2-Pentyn-1-oL 4-NitrobenzotrifluorideRelated products of tetrahydrofuran
![2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one](https://img.chemicalbook.in/CAS/GIF/142217-81-0.gif)
![2-AMino-1,9-dihydro-9-[(1S,3R,4S)-4-(hydroxydiMethylsilyl)-3-(hydroxyMethyl)-2-Methylenecyclopentyl]-6H-purin-6-one](https://img.chemicalbook.in/CAS/GIF/870614-82-7.gif)
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