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| Product | Description | |
|---|---|---|
| Entecavir | ?98% (HPLC). Group: Fluorescence/luminescence spectroscopy. |  |
| Entecavir | An oral antiviral drug used in the treatment of hepatitis B infection. A guanine analogue that inhhibits all three steps in the viral replication process. Synonyms: Baraclude; BMS 200475; BMS-200475; BMS200475; SQ 34676; SQ34676; SQ-34676. Grade: 0.98. CAS No. 142217-69-4. Molecular formula: C12H15N5O3. Mole weight: 277.284. |  |
| Entecavir | Entecavir (SQ 34676; BMS 200475) is a potent and selective inhibitor of HBV , with an EC 50 of 3.75 nM in HepG2 cell. Uses: Scientific research. Group: Signaling pathways. Alternative Names: BMS200475; SQ34676. CAS No. 142217-69-4. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-13623. |  |
| Entecavir-[13C2,15N] | Entecavir-[13C2,15N] is the labelled analogue of Entecavir. Entecavir is a reverse transcriptase inhibitor. It prevents the hepatitis B virus from multiplying and reduces the amount of virus in the body. Synonyms: Entecavir 13C2 15N. Grade: 95% by HPLC; 95% atom 13C; 95% atom 15N. CAS No. 1329796-53-3. Molecular formula: C10[13C]2H15N4[15N]O3. Mole weight: 280.26. | |
| Entecavir-13C2,15N | Entecavir-13C2,15N. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1329796-53-3. Molecular formula: C1013C2H15N415NO3. Mole weight: 280.26. Catalog: APB1329796533. | |
| Entecavir-13C2,15N | Labeled Entecavir. An oral antiviral drug used in the treatment of hepatitis B infection. A guanine analogue that inhhibits all three steps in the viral replication process. Group: Biochemicals. Alternative Names: 2-Amino-9- [4-hydroxy-3- (hydroxy methyl ) -2- methyl idenecyclopentyl] -3H-purin-6-one-13C2, 15N; Baraclude-13C2,15N; BMS 200475-13C2,15N; SQ 34676-13C2,15N. Grades: Highly Purified. Pack Sizes: 500ug. US Biological Life Sciences. |  Worldwide |
| Entecavir-[13C2,15N] 3''-O-β-D-Glucuronide | A labelled metabolite of Entecavir. Synonyms: 2-Amino-9-[4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-3H-purin-6-one-13C2,15N 3''-O-β-D-Glucuronide; Entecavir-13C2,15N 3''-O-β-D-Glucuronide. Molecular formula: C16[13C]2H23N4[15N]O9. Mole weight: 456.39. | |
| Entecavir (2-Amino-9-[4-hydroxy-3-(hydroxymethyl)-2-methylidene-cyclopentyl]-3H-purin-6-one,. Baraclude) | An oral antiviral drug used in the treatment of hepatitis B infection. A guanine analogue that inhhibits all three steps in the viral replication process. Group: Biochemicals. Alternative Names: 2-Amino-9-[4-hydroxy-3-(hydroxymethyl)-2-methylidene-cyclopentyl]-3H-purin-6-one,Baraclude. Grades: Highly Purified. CAS No. 142217-69-4. Pack Sizes: 10mg. US Biological Life Sciences. | Worldwide |
| Entecavir 3-O-b-D-glucuronide | Entecavir 3-O-b-D-glucuronide is an essential compound utilized within the biomedical realm, boasting its efficaciousness in studying the persisting malady of chronic hepatitis B virus (HBV) infection. Functioning as an exemplary antiviral entity, it effectively impedes the retrograde transcription of HBV DNA, thus curbing viral replication. Molecular formula: C18H23N5O9. Mole weight: 453.40. | |
| Entecavir 3''-O-β-D-Glucuronide | A metabolite of Entecavir. Entecavir is a reverse transcriptase inhibitor. It prevents the hepatitis B virus from multiplying and reduces the amount of virus in the body. Synonyms: 2-Amino-9-[4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-3H-purin-6-one 3''-O-β-D-Glucuronide; Entecavir Glucuronide; Entecavir 3''-O-b-D-glucuronide. Grade: ≥95%. Molecular formula: C18H23N5O9. Mole weight: 453.41. | |
| Entecavir 3-O- β-D-Glucuronide | A metabolite of Entecavir. Group: Biochemicals. Alternative Names: 2-Amino-9- [4-hydroxy-3- (hydroxy methyl ) -2- methyl idenecyclopentyl] -3H-purin-6-one 3-O- β-D-Glucuronide. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences. | Worldwide |
| Entecavir-d2 | An isotope labelled Entecavir. Entecavir is a reverse transcriptase inhibitor. It prevents the hepatitis B virus from multiplying and reduces the amount of virus in the body. Synonyms: BMS200475-d2; SQ34676-d2. Grade: > 95%. Molecular formula: C12H13D2N5O3. Mole weight: 279.29. | |
| Entecavir hydrate | Entecavir hydrate. Group: Biochemicals. Alternative Names: 2-Amino-9-[4-hydroxy-3-(hydroxymethyl)-2-methylidene-cyclopentyl]-3H-purin-6-one; Baraclude. Grades: Highly Purified. CAS No. 142217-69-4,209216-23-9. Pack Sizes: 50mg, 100mg, 200mg, 500mg, 1g. Molecular Formula: C12H15N5O3·xH2O. US Biological Life Sciences. | Worldwide |
| Entecavir Impurity 16 | Entecavir Impurity 16. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1661867-19-1. Molecular formula: C52H47N5O3. Mole weight: 789.98. Catalog: APB1661867191. | |
| Entecavir Impurity 19 | Entecavir Impurity 19. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1030919-51-7. Molecular formula: C19H21N5O3. Mole weight: 367.41. Catalog: APB1030919517. | |
| Entecavir Impurity 2 | An impurity of Entecavir. Entecavir is a reverse transcriptase inhibitor. It prevents the hepatitis B virus from multiplying and reduces the amount of virus in the body. Synonyms: (2R,3S,5S)-3-(Benzyloxy)-5-[2-[[(4-methoxyphenyl)diphenylmethyl]amino]-6-(benzyloxy)-9H-purin-9-yl]-2-(benzyloxymethyl)cyclopentanone. Grade: > 95%. CAS No. 142217-79-6. Molecular formula: C52H47N5O5. Mole weight: 821.98. | |
| Entecavir Impurity 3 | An impurity of Entecavir. Entecavir is a reverse transcriptase inhibitor. It prevents the hepatitis B virus from multiplying and reduces the amount of virus in the body. Synonyms: 6-(Benzyloxy)-9-((1S,3R,3S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylenecyclopentyl)-N-((4-methoxyphenyl)diphenylmethyl)-9H-purin-2-amine. Grade: > 95%. CAS No. 142217-80-9. Molecular formula: C53H49N5O4. Mole weight: 820.01. | |
| Entecavir Impurity 31 | Entecavir Impurity 31. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1415118-53-4. Molecular formula: C15H19N5O5. Mole weight: 349.35. Catalog: APB1415118534. | |
| Entecavir Impurity 33 | Entecavir Impurity 33. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1415118-52-3. Molecular formula: C15H19N5O5. Mole weight: 349.35. Catalog: APB1415118523. | |
| Entecavir Impurity 4 | An impurity of Entecavir. Entecavir is a reverse transcriptase inhibitor. It prevents the hepatitis B virus from multiplying and reduces the amount of virus in the body. Synonyms: 6-(benzyloxy)-9-((1R,3R,4S)-4-(benzyloxy)-3-((benzyloxy)methyl)-2-methylenecyclopentyl)-9H-purin-2-amine. Grade: > 95%. Molecular formula: C33H33N5O3. Mole weight: 547.66. | |
| Entecavir Impurity 43 | Entecavir Impurity 43. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-Amino-6-chloropurin; 6-chloro-9H-purin-2-amine. CAS No. 10310-21-1. Molecular formula: C5H4ClN5. Mole weight: 169.57. Catalog: APB10310211. | |
| Entecavir Impurity 5 | An impurity of Entecavir. Entecavir is a reverse transcriptase inhibitor. It prevents the hepatitis B virus from multiplying and reduces the amount of virus in the body. Synonyms: methoxy-(p-methoxytriphenyl)methane; 4.α-Dimethoxy-tritan; methoxy-(4-methoxy-phenyl)-diphenyl-methane; Methoxy-(4-methoxy-phenyl)-diphenyl-methan; Methyl-(4-methoxy-trityl)-aether. Grade: > 95%. CAS No. 84868-56-4. Molecular formula: C21H20O2. Mole weight: 304.39. | |
| Entecavir Impurity 9 | Entecavir Impurity 9. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1333204-93-5. Molecular formula: C12H15N5O3. Mole weight: 277.28. Catalog: APB1333204935. | |
| Entecavir Impurity E | An impurity of Entecavir. Entecavir is a reverse transcriptase inhibitor. It prevents the hepatitis B virus from multiplying and reduces the amount of virus in the body. Synonyms: 2-amino-9-((1R,3R,4S)-3-(hydroxymethyl)-2-methylene-4-((trimethylsilyl)oxy)cyclopentyl)-3H-purin-6(9H)-one. Grade: > 95%. Molecular formula: C14H21N5O4Si. Mole weight: 351.44. | |
| Entecavir Impurity ET-2 | An impurity of Entecavir. Entecavir is a reverse transcriptase inhibitor. It prevents the hepatitis B virus from multiplying and reduces the amount of virus in the body. Synonyms: 2-amino-9-((1R,3R,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-3H-purin-6(9H)-one. Grade: > 95%. Molecular formula: C12H15N5O3. Mole weight: 277.29. | |
| Entecavir monohydrate | Entecavir monohydrate (BMS200475 monohydrate; SQ34676 monohydrate) is a potent and selective inhibitor of HBV , with an EC 50 of 3.75 nM in HepG2 cell. Uses: Scientific research. Group: Signaling pathways. Alternative Names: BMS200475 monohydrate; SQ34676 monohydrate. CAS No. 209216-23-9. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 50 mg; 100 mg; 200 mg. Product ID: HY-13623A. | |
| Entecavir monohydrate | Entecavir triphosphate is a highly potent inhibitor of wild-type HBV Pol and is 100- to 300-fold more potent than lamivudine triphosphate against 3TC-resistant HBV Pol. It competes with dGTP to be incorporated into viral DNA. Uses: Antiviral agents. Synonyms: Entecavir (monohydrate); UNII-5968Y6H45M; 5968Y6H45M. Grade: 98%. CAS No. 209216-23-9. Molecular formula: C12H15N5O3.H2O. Mole weight: 295.29. | |
| Entecavir monohydrate | United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standardsapi standardseuropean pharmacopoeia (ph. eur.)pharmaceutical toxicologypharmacopoeial standards. Alternative Names: 6H-Purin-6-one, 2-amino-1,9-dihydro-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-, hydrate (1:1), Entecavir monohydrate, 6H-Purin-6-one, 2-amino-1,9-dihydro-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-, monohydrate (9CI). | |
| Entecavir Monohydrate | A synthetic analogue of 2'-deoxyguanosine, entecavir is a nucleoside reverse transcriptase inhibitor with selective antiviral activity against hepatitis B virus. It 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. Enteclavir 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. Alternative Names: Entecavir hydrate. entecavir monohydrate. Entecavir (monohydrate). Entecavir hydrate (JAN). CAS No. 209216-23-9. Product ID: API209216239. Molecular formula: C12H17N5O4. Mole weight: 295.29. EINECS: 606-668-5. SMILES: C=C1C(CC(C1CO)O)N2C=NC3=C2N=C(NC3=O)N.O. Appearance: White Powder. Category: Antivirus APIs. |  |
| Entecavir Phosphoramidite | Entecavir Phosphoramidite is a modified phosphoramidite derived from Entecavir, a nucleoside analog commonly used as an antiviral drug for the treatment of chronic hepatitis B virus (HBV) infections. The phosphoramidite group at the 3' position allows for the incorporation of Entecavir into oligonucleotides during solid-phase synthesis. Entecavir itself is an oral antiviral medication that works by inhibiting the reverse transcriptase enzyme of HBV, thus preventing viral replication. When used as a phosphoramidite in oligonucleotide synthesis, Entecavir provides the ability to create modified oligonucleotides with specific antiviral properties or to facilitate antiviral research and development, including the design of antisense oligonucleotides or RNA-based therapeutics. This phosphoramidite can be used in therapeutic applications targeting HBV or in the development of tools for studying viral replication, antiviral resistance mechanisms, and other aspects of virology. It could also potentially be utilized in the design of oligonucleotides with specialized antiviral or gene-editing functions. Synonyms: Phosphoramidous acid, N,N-bis(1-methylethyl)-, (1S,2R,4S)-2-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-4-[1,6-dihydro-2-[(2-methyl-1-oxopropyl)amino]-6-oxo-9H-purin-9-yl]-3-methylenecyclopentyl 2-cyanoethyl ester. Grade: ≥97%. CAS No. 3054794-07-6. Molecular formula: C46H56N7O7P. Mole weight: 849.96. | |
| Entecavir Related Compound A | An impurity of Entecavir. Entecavir is a reverse transcriptase inhibitor. It prevents the hepatitis B virus from multiplying and reduces the amount of virus in the body. Synonyms: Entecavir EP Impurity F; Entecavir USP Related Compound A; 2-Amino-9-[(1S,3R,4S)-4-(dimethylphenylsilyl)-2-methylene-3-[(phenylmethoxy)methyl]cyclopentyl]-1,9-dihydro-6H-purin-6-one. Grade: > 95%. CAS No. 649761-24-0. Molecular formula: C27H31N5O2Si. Mole weight: 485.67. | |
| Entecavir Related Compound A | United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standards. | |
| Entecavir (R,S,S)-Isomer | Entecavir (R,S,S)-Isomer. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1333204-94-6. Molecular formula: C12H15N5O3. Mole weight: 277.28. Catalog: APB1333204946. | |
| Entecavir System Suitability Mixture | United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standards. | |
| 1'-epi-Entecavir | An isomer of Entecavir. Entecavir is a reverse transcriptase inhibitor. It prevents the hepatitis B virus from multiplying and reduces the amount of virus in the body. Synonyms: 2-amino-9-((1R,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-3H-purin-6(9H)-one. Grade: > 95%. Molecular formula: C12H15N5O3. Mole weight: 277.29. | |
| 1-Epi-Entecavir | 1-Epi-Entecavir is an impurity of Entecavir. Entecavir is a reverse transcriptase inhibitor. It prevents the hepatitis B virus from multiplying and reduces the amount of virus in the body. Synonyms: Entecavir EP Impurity A; 2-amino-9-[(1R,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-3H-purin-6-one; Entecavir 1-epimer. CAS No. 1367369-78-5. Molecular formula: C12H15N5O3. Mole weight: 277.284. | |
| (1R, 3R, 4R)- Entecavir | An isomer of Entecavir. Entecavir is a reverse transcriptase inhibitor. It prevents the hepatitis B virus from multiplying and reduces the amount of virus in the body. Synonyms: (1R,3R,4R)-Entecavir ; 2-Amino-9-[(1R,3R,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylidene cyclopentyl]-6,9-dihydro-3H-purin-6-one. Grade: > 95%. CAS No. 1367369-76-3. Molecular formula: C12H15N5O3. Mole weight: 277.29. | |
| (1R,3R,4R)-Entecavir | (1R,3R,4R)-Entecavir. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 6H-Purin-6-one, 2-amino-1,9-dihydro-9-[(1R,3R,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-, [1R-(1?,3?,4?)]-2-Amino-1,9-dihydro-9-[4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one, (1R,3R,4R)-Entecavir, (1'R,3'R,4'R)-Entecavir, 2-Amino-1,9-dihydro-9-[(1R,3R,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one. CAS No. 1367369-76-3. IUPAC Name: 2-amino-9-[(1R,3R,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-1H-purin-6-one. Molecular formula: C12H15N5O3. Mole weight: 277.28. Catalog: APS1367369763. SMILES: NC1=Nc2c(ncn2[C@@H]3C[C@@H](O)[C@@H](CO)C3=C)C(=O)N1. Format: Neat. | |
| (1R, 3S, 4R)-ent-Entecavir | An isomer of Entecavir. Entecavir is a reverse transcriptase inhibitor. It prevents the hepatitis B virus from multiplying and reduces the amount of virus in the body. Synonyms: 2-Amino-1,9-dihydro-9-[(1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-Purin-6-one. Grade: > 95%. CAS No. 188399-46-4. Molecular formula: C12H15N5O3. Mole weight: 277.29. | |
| (1R, 3S, 4S)-Entecavir | An isomer of Entecavir. Entecavir is a reverse transcriptase inhibitor. It prevents the hepatitis B virus from multiplying and reduces the amount of virus in the body. Synonyms: 2-Amino-9-[(1R, 3S, 4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidene cyclopentyl]-6,9-dihydro-3H-purin-6-one. Grade: > 95%. Molecular formula: C12H15N5O3. Mole weight: 277.29. | |
| 2-Hydroxy-2,3-tetrahydrofuranyl Entecavir | 2-Hydroxy-2,3-tetrahydrofuranyl Entecavir is an impurity of Entecavir. Group: Biochemicals. Alternative Names: 2-Amino-9-((3aS,4S,6S)-3a,6-dihydroxyhexahydro-1H-cyclopenta[c]furan-4-yl)-1H-purin-6(9H)-one. Grades: Highly Purified. Pack Sizes: 2.5mg. US Biological Life Sciences. | Worldwide |
| 2-Hydroxy-2,3-tetrahydrofuranyl Entecavir (Mixture of Diastereomers) | 2-Hydroxy-2,3-tetrahydrofuranyl Entecavir is an Entecavir impurity. Synonyms: 2-Amino-9-((3aS,4S,6S)-3a,6-dihydroxyhexahydro-1H-cyclopenta[c]furan-4-yl)-1H-purin-6(9H)-one. Grade: 99%. Molecular formula: C12H15N5O4. Mole weight: 293.28. | |
| 2-N-[(4-Methoxyphenyl)-diphenylmethyl]-4,6-O-dibenzyl ent-Entecavir | 2-N-[(4-Methoxyphenyl)-diphenylmethyl]-4,6-O-dibenzyl ent-Entecavir. Group: Biochemicals. Alternative Names: N-[ (4-Methoxyphenyl) diphenylmethyl]-9-[ (1R, 3S, 4R) -2-methylene-4- (phenylmethoxy) -3-[ (phenylmethoxy) methyl]cyclopentyl]-6- (phenylmethoxy) -9H-purin-2-amine. Grades: Highly Purified. CAS No. 1354695-79-6. Pack Sizes: 1mg. US Biological Life Sciences. | Worldwide |
| 3',5'-Di-O-benzyl Entecavir | A derivative of Entecavir. Entecavir is a reverse transcriptase inhibitor. It prevents the hepatitis B virus from multiplying and reduces the amount of virus in the body. Synonyms: 2-Amino-1,9-dihydro-9-[(1S,3R,4S)-2-methylene-4-(phenylmethoxy)-3-[(phenylmethoxy)methyl]cyclopentyl]-6H-purin-6-one. Grade: > 95%. CAS No. 142217-81-0. Molecular formula: C26H27N5O3. Mole weight: 457.54. | |
| 3,5-Di-O-benzyl Entecavir | 3,5-Di-O-benzyl Entecavir is an intermediate in the preparation of the hepatitis B antiviral agent, Entecavir. Group: Biochemicals. Alternative Names: 2-Amino-1, 9-dihydro-9-[ (1S, 3R, 4S) -2-methylene-4- (phenylmethoxy) -3-[ (phenylmethoxy) methyl]cyclopentyl]-6H-purin-6-one; [1S-(1α,3α,4 β ) ]-2-Amino-1, 9-dihydro-9-[2-methylene-4- (phenylmethoxy) -3-[ (phenylmethoxy) methyl]cyclopentyl]-6H-purin-6-one. Grades: Highly Purified. CAS No. 142217-81-0. Pack Sizes: 25mg. US Biological Life Sciences. | Worldwide |
| 3,5-Di-O-benzyl Entecavir-13C2,15N | 3,5-Di-O-benzyl Entecavir is an intermediate in the preparation of the hepatitis B antiviral agent, Entecavir (E558900). Group: Biochemicals. Alternative Names: 2-Amino-1, 9-dihydro-9-[ (1S, 3R, 4S) -2-methylene-4- (phenylmethoxy) -3-[ (phenylmethoxy) methyl]cyclopentyl]-6H-purin-6-one-13C2, 15N; [1S-(1α,3α,4 β ) ]-2-Amino-1, 9-dihydro-9-[2-methylene-4- (phenylmethoxy) -3-[ (phenylmethoxy) methyl]cyclopentyl]-6H-purin-6-one-13C2, 15N. Grades: Highly Purified. Pack Sizes: 500ug. US Biological Life Sciences. | Worldwide |
| 3'-epi-Entecavir | An impurity of Entecavir. Entecavir is a reverse transcriptase inhibitor. It prevents the hepatitis B virus from multiplying and reduces the amount of virus in the body. Synonyms: 2-amino-9-((1R,3S,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-3H-purin-6(9H)-one. Grade: > 95%. Molecular formula: C12H15N5O3. Mole weight: 277.29. | |
| 3-Epi-Entecavir | 3-Epi-Entecavir is an impurity of Entecavir. Entecavir is a reverse transcriptase inhibitor. It prevents the hepatitis B virus from multiplying and reduces the amount of virus in the body. Synonyms: Entecavir EP Impurity B; 2-amino-9-[(1S,3S,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-3H-purin-6-one; Entecavir 3-epimer. CAS No. 1367369-77-4. Molecular formula: C12H15N5O3. Mole weight: 277.284. | |
| 3''-O-Tosyl Entecavir | Protected Entecavir is an oral antiviral drug used in the treatment of hepatitis B infection. A guanine analogue inhhibits all three steps in the viral replication process. Synonyms: 2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-hydroxy-3-(tosyloxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one. Molecular formula: C19H21N5O5S. Mole weight: 431.47. | |
| 3-O-Tosyl Entecavir | Protected Entecavir. An oral antiviral drug used in the treatment of hepatitis B infection. A guanine analogue that inhhibits all three steps in the viral replication process. Group: Biochemicals. Alternative Names: 2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-hydroxy-3-(tosyloxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one. Grades: Highly Purified. Pack Sizes: 5mg. US Biological Life Sciences. | Worldwide |
| 4-Dehydroxy-4-dimethylphenylsilyl Entecavir | 4-Dehydroxy-4-dimethylphenylsilyl Entecavir is an impurity of Entecavir. Synonyms: 2-Amino-9-[(1S,3R,4S)-4-(dimethylphenylsilyl)-3-(hydroxymethyl)-2-methylenecyclopentyl]-1,9-dihydro-6H-purin-6-one. CAS No. 701278-07-1. Molecular formula: C20H25N5O2Si. Mole weight: 395.53. | |
| 4-Dimethylsilyl Entecavir | A derivative of Entecavir. Entecavir is a reverse transcriptase inhibitor. It prevents the hepatitis B virus from multiplying and reduces the amount of virus in the body. Synonyms: 2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-(hydroxydimethylsilyl)-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one. Grade: > 95%. CAS No. 870614-82-7. Molecular formula: C14H21N5O3Si. Mole weight: 335.44. | |
| 4-epi-Entecavir | 4-epi-Entecavir is an epimeric impurity of the antiviral drug Entecavir. Group: Biochemicals. Alternative Names: 2-Amino-1,9-dihydro-9-[(1S,3R,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one; Entecavir Isomer 2; (1S,3S,4S)-Entecavir Isomer. Grades: Highly Purified. Pack Sizes: 2.5mg. US Biological Life Sciences. | Worldwide |
| 4-Epimer Entecavir | An impurity of Entecavir. Entecavir is a reverse transcriptase inhibitor. It prevents the hepatitis B virus from multiplying and reduces the amount of virus in the body. Synonyms: Entecavir EP Impurity D; (1S,3R,4R)-Entecavir; 2-Amino-9-[(1S,3R,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylidene cyclopentyl]-6,9-dihydro-3H-purin-6-one; Entecavir 4-epimer; 4'-epi-Entecavir. Grade: > 95%. CAS No. 1367369-80-9. Molecular formula: C12H15N5O3. Mole weight: 277.29. | |
| 4-Phenylmethoxy Entecavir | Used in the preparation of Entecavir for treating hepatitis B. Synonyms: 2-Amino-1,9-dihydro-9-[(1S,3R,4S)-3-(hydroxymethyl)-2-methylene-4-(phenylmethoxy)cyclopentyl]-6H-purin-6-one. CAS No. 1030919-51-7. Molecular formula: C19H21N5O3. Mole weight: 367.4. | |
| 8-Hydroxy Entecavir | A derivative of Entecavir. Entecavir is a reverse transcriptase inhibitor. It prevents the hepatitis B virus from multiplying and reduces the amount of virus in the body. Synonyms: Entecavir EP Impurity C; 2-amino-9-((1R,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-3H-purine-6,8(7H,9H)-dione. Grade: > 95%. CAS No. 2204369-23-1. Molecular formula: C12H15N5O4. Mole weight: 293.28. | |
| 8-Methoxy Entecavir | An impurity of Entecavir. Entecavir is a reverse transcriptase inhibitor. It prevents the hepatitis B virus from multiplying and reduces the amount of virus in the body. Synonyms: 2-Amino-9-((1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-8-methoxy-1H-purin-6(9H)-one; Entecavir EP impurity E. Grade: > 95%. CAS No. 2349444-69-3. Molecular formula: C13H17N5O4. Mole weight: 307.31. | |
| ent-Entecavir | ent-Entecavir is an enantiomeric impurity of the antiviral drug Entecavir. Group: Biochemicals. Alternative Names: 2-Amino-1,9-dihydro-9-[(1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-Purin-6-one; [1R-(1α,3α,4 β)]-2-Amino-1,9-dihydro-9-[4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one. Grades: Highly Purified. CAS No. 188399-46-4. Pack Sizes: 1mg. US Biological Life Sciences. | Worldwide |
| ent-Entecavir | ent-Entecavir. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: [1R-(1?,3?,4?)]-2-Amino-1,9-dihydro-9-[4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one,2-Amino-1,9-dihydro-9-[(1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-Purin-6-one. CAS No. 188399-46-4. Molecular formula: C12H15N5O3. Mole weight: 277.28. Catalog: APS188399464. Format: Neat. | |
| Furoentecavir | An impurity of Entecavir. Entecavir is a reverse transcriptase inhibitor. It prevents the hepatitis B virus from multiplying and reduces the amount of virus in the body. Synonyms: 2-amino-9-((3aS,4R,6S,6aR)-3a,6-dihydroxyhexahydro-1H-cyclopenta[c]furan-4-yl)-3H-purin-6(9H)-one. Grade: > 95%. CAS No. 1984788-96-6. Molecular formula: C12H15N5O4. Mole weight: 293.28. | |
| (1R, 2R) -2- ( (Benzyloxy) methyl) cyclopent-3-en-1-yl 4-Nitrobenzoate | (1R, 2R) -2- ( (Benzyloxy) methyl) cyclopent-3-en-1-yl 4-nitrobenzoate is an intermediate in the synthesis of Entecavir (E558900), an oral antiviral drug used in the treatment of hepatitis B infection. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 100mg. US Biological Life Sciences. | Worldwide |
| (1R, 2R, 3R, 5S)-2-[ (Phenylmethoxy)methyl]-6-oxabicyclo[3. 1. 0]hexan-3-ol | (1R, 2R, 3R, 5S)-2-[ (Phenylmethoxy)methyl]-6-oxabicyclo[3. 1. 0]hexan-3-ol is an intermediate in the synthesis of Entecavir (E558900), an oral antiviral drug used in the treatment of hepatitis B infection. Group: Biochemicals. Grades: Highly Purified. CAS No. 325480-49-7. Pack Sizes: 50mg. US Biological Life Sciences. | Worldwide |
| (1R, 2R, 3R, 5S)-3-(Benzyloxy)-2-((benzyloxy)methyl)-6-oxabicyclo[3. 1. 0]hexane | (1R, 2R, 3R, 5S)-3-(Benzyloxy)-2-((benzyloxy)methyl)-6-oxabicyclo[3. 1. 0]hexane is an intermediate in the synthesis of Entecavir (E558900), an oral antiviral drug used in the treatment of hepatitis B infection. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 50mg. US Biological Life Sciences. | Worldwide |
| (1R, 2S, 3R, 5R) -3- (Benzyloxy) -5- (6- (benzyloxy) -2- ( ( (4-methoxyphenyl) diphenylmethyl) amino) -1H-purin-9 (6H) -yl) -2- ( (benzyloxy) methyl) cyclopentanol | (1R, 2S, 3R, 5R) -3- (Benzyloxy) -5- (6- (benzyloxy) -2- ( ( (4-methoxyphenyl) diphenylmethyl) amino) -1H-purin-9 (6H) -yl) -2- ( (benzyloxy) methyl) cyclopentanol is an intermediate in the synthesis of Entecavir (E558900), an oral antiviral drug used in the treatment of hepatitis B infection. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 25mg. US Biological Life Sciences. | Worldwide |
| (1R,2S,3R,5R)-3-(Benzyloxy)-5-(6-(benzyloxy)-2-(((4-methoxyphenyl)diphenylmethyl)amino)-1H-purin-9(6H)-yl)-2-((benzyloxy)methyl)cyclopentanol | (1R,2S,3R,5R)-3-(Benzyloxy)-5-(6-(benzyloxy)-2-(((4-methoxyphenyl)diphenylmethyl)amino)-1H-purin-9(6H)-yl)-2-((benzyloxy)methyl)cyclopentanol is an intermediate in the synthesis of Entecavir, an oral antiviral drug used in the treatment of hepatitis B infection. Molecular formula: C52H51N5O5. Mole weight: 825.99. | |
| (1R, 2S, 3R, 5R) -5- (2-Amino-6- (benzyloxy) -1H-purin-9 (6H) -yl) -3- (benzyloxy) -2- ( (benzyloxy) methyl) cyclopentanol | (1R, 2S, 3R, 5R) -5- (2-Amino-6- (benzyloxy) -1H-purin-9 (6H) -yl) -3- (benzyloxy) -2- ( (benzyloxy) methyl) cyclopentanol is an intermediate in the synthesis of Entecavir (E558900), an oral antiviral drug used in the treatment of hepatitis B infection. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 50mg. US Biological Life Sciences. | Worldwide |
| (1R,2S,3R,5R)-5-(2-Amino-6-(benzyloxy)-1H-purin-9(6H)-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentanol | (1R,2S,3R,5R)-5-(2-Amino-6-(benzyloxy)-1H-purin-9(6H)-yl)-3-(benzyloxy)-2-((benzyloxy)methyl)cyclopentanol is an intermediate in the synthesis of Entecavir, an oral antiviral drug used in the treatment of hepatitis B infection. Molecular formula: C32H35N5O4. Mole weight: 553.65. | |
| (1R, 5S) -5-? (Dimethylphenylsilyl?) ?-?2-? (hydroxymethyl) ?-2-?cyclopentene-?1-?carboxylic Acid | (1R, 5S) -5-? (Dimethylphenylsilyl?) ?-?2-? (hydroxymethyl) ?-2-?cyclopentene-?1-?carboxylic Acid is the intermediate of Entecavir (E558900), which is used in the treatment of hepatitis B infection. A guanine analogue that inhibits all three steps in the viral replication process. Group: Biochemicals. Grades: Highly Purified. CAS No. 649761-21-7. Pack Sizes: 10mg, 50mg. Molecular Formula: C15H20O3Si, Molecular Weight: 276.399999999999. US Biological Life Sciences. | Worldwide |
| [1S-(1α,2α,3 β , 5α )]-3- (Phenylmethoxy)-2-[ (phenylmethoxy)methyl]-6-oxabicyclo[3. 1. 0]hexane | Entecavir intermediate. Group: Biochemicals. Alternative Names: (1S, 2R, 3S, 5R)-3- (Phenylmethoxy)-2-[ (phenylmethoxy)methyl]-6-oxabicyclo[3. 1. 0]hexane. Grades: Highly Purified. CAS No. 110567-22-1. Pack Sizes: 100mg. US Biological Life Sciences. | Worldwide |
| (1S, 2R) -2- ( (Benzyloxy) methyl) cyclopent-3-enol | (1S, 2R) -2- ( (Benzyloxy) methyl) cyclopent-3-enol is an intermediate in the synthesis of Entecavir (E558900), an oral antiviral drug used in the treatment of hepatitis B infection. Group: Biochemicals. Alternative Names: (1S, 2R)-2-[ (Phenylmethoxy)methyl]-3-cyclopenten-1-ol; (1S-trans)-2-[ (Phenylmethoxy)methyl]-3-cyclopenten-1-ol. Grades: Highly Purified. Pack Sizes: 100mg. US Biological Life Sciences. | Worldwide |
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