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| Product | Description | |
|---|---|---|
| Emtricitabine impurity (2,3'-dideoxy-5-fluoro-3-thiouridine) | Impurity in commercial preparations of Emtricitabine. Synonyms: 5-fluoro-1-((2S,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidine-2,4(1H,3H)-dione. Grade: > 95%. CAS No. 145281-92-1. Molecular formula: C8H9FN2O4S. Mole weight: 248.23. |  |
| Emtricitabine impurity 7 | Emtricitabine impurity 7. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1238210-14-4. Molecular formula: C8H11N3O4S. Mole weight: 245.25. Catalog: APB1238210144. |  |
| Emtricitabine Impurity 7 | Emtricitabine Impurity 7. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2R,5S)-5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylic acid. CAS No. 1238210-10-0. Molecular formula: C8H8FN3O4S. Mole weight: 261.23. Catalog: APB1238210100. | |
| Emtricitabine Impurity 8 | Emtricitabine Impurity 8. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4-amino-5-fluoro-1-((2R,5S)-2-(hydroxymethyl)-3-oxido-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one. CAS No. 152128-77-3. Molecular formula: C8H10FN3O4S. Mole weight: 263.25. Catalog: APB152128773. | |
| Emtricitabine Related Impurity 1 | An impurity of Emtricitabine. Emtricitabine is a nucleoside reverse transcriptase inhibitor for the treatment of HIV infection in adults and children. Synonyms: 5-fluoro-1-[(2R,?5S)?-2-(hydroxymethyl)?-1,?3-oxathiolan-5-yl]?-, rel- 2,?4(1H,?3H)?-Pyrimidinedione. Grade: > 95%. CAS No. 3790-05-0. Molecular formula: C8H9FN2O4S. Mole weight: 248.23. | |
| Emtricitabine Related Impurity 2 | An impurity of Emtricitabine. Emtricitabine is a nucleoside reverse transcriptase inhibitor for the treatment of HIV infection in adults and children. Synonyms: 4-amino-5-fluoro-1-[(2R,?4R)?-2-(hydroxymethyl)?-1,?3-dioxolan-4-yl]?-2(1H)?-Pyrimidinone. Grade: > 95%. CAS No. 145417-33-0. Molecular formula: C8H10FN3O4. Mole weight: 231.19. | |
| Emtricitabine Related Impurity 3 | An impurity of Emtricitabine. Emtricitabine is a nucleoside reverse transcriptase inhibitor for the treatment of HIV infection in adults and children. Synonyms: 4-amino-5-fluoro-1-[(2R,?4R)?-2-carboxylic acid-1,?3-dioxolan-4-yl]?-2(1H)?-Pyrimidinone. Grade: > 95%. Molecular formula: C8H8FN3O5. Mole weight: 245.17. | |
| Emtricitabine Related Impurity 4 | An impurity of Emtricitabine. Emtricitabine is a nucleoside reverse transcriptase inhibitor for the treatment of HIV infection in adults and children. Synonyms: (3R,6R,10R,10aS)-7-amino-10-fluoro-2,3,6,6a,10,10a-hexahydro-3,6-epoxy[1,4]oxathiocino[7,8-c]pyridin-9(5H)-one. Grade: > 95%. Molecular formula: C9H11FN2O3S. Mole weight: 246.26. | |
| Emtricitabine Related Impurity 5 | An impurity of Emtricitabine. Emtricitabine is a nucleoside reverse transcriptase inhibitor for the treatment of HIV infection in adults and children. Synonyms: (3R,6R,10R,10aS)-10-fluorohexahydro-3,6-epoxy[1,4]oxathiocino[7,8-c]pyridine-7,9(5H,8H)-dione. Grade: > 95%. Molecular formula: C9H11FN2O3S. Mole weight: 246.26. | |
| (1S,2R,4R)-1-Isopropyl-2,4-dimethylcyclohexyl-emtricitabine Uracil Carboxylate | It is the uracil impurity of the parent compound Emtricitabine, a reverse transcriptase inhibitor. Synonyms: 5-Fluoro-1-(2'-L-menthyloxycarbonyl-1'-3'-oxathiolan-5'-yl)-cytosine; (2R,5S)-(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl 5-(5-fluoro-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate; (1R,2S,5R)-2-isopropyl-5-methylcyclohexyl (2R,5S)-5-(5-fluoro-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate. Grade: ≥95%. CAS No. 1422361-25-8. Molecular formula: C18H25FN2O5S. Mole weight: 400.46. | |
| (2R,5R)-(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl 5-((3-Fluoro-6-hydroxypyridin-2-yl)amino)-1,3-oxathiolane-2-carboxylate | (2R,5R)-(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl 5-((3-Fluoro-6-hydroxypyridin-2-yl)amino)-1,3-oxathiolane-2-carboxylate is an impurity of Emtricitabine (E525000), a reverse transcriptase inhibitor. It is an effective antiviral agent against HIV, HBV, and other viruses replicating in a similar manner. A nucleoside analog structurally related to Lamivudine (L172500). Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 10mg, 25mg. Molecular Formula: C19H27FN2O4S, Molecular Weight: 398.49. US Biological Life Sciences. |  Worldwide |
| (2R,5R)-(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl 5-((3-Fluoro-6-hydroxypyridin-2-yl)amino)-1,3-oxathiolane-2-carboxylate | (2R,5R)-(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl 5-((3-Fluoro-6-hydroxypyridin-2-yl)amino)-1,3-oxathiolane-2-carboxylate is an impurity of Emtricitabine, which is a nucleoside reverse transcriptase inhibitor for the treatment of HIV infection in adults and children. Molecular formula: C19H27FN2O4S. Mole weight: 398.49. | |
| (2R,5S)-5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic Acid (1R,2S,5R)-5-Methyl-2-(1-methylethyl)cyclohexyl Ester | (2R,5S)-5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic Acid (1R,2S,5R)-5-Methyl-2-(1-methylethyl)cyclohexyl Ester is an impurity of Lamivudine, a potent nucleoside reverse transcriptase inhibitor and antiviral agent. Lamivudine has also been used for treatment of chronic hepatitis B. Synonyms: Emtricitabine Menthyl Ester; Emtricitabine Impurity 14. Grade: 98%. CAS No. 764659-72-5. Molecular formula: C18H26FN3O4S. Mole weight: 399.48. | |
| (2S,4S)-4-(4-Amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-dioxolane-2-carboxylic Acid | (2S,4S)-4-(4-Amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-dioxolane-2-carboxylic Acid is a structural analog of Emtricitabine Carboxylic Acid (E525035); an impurity of Emtricitabine (E525000) which is a reverse transcriptase inhibitor and effective antiviral agent against HIV, HBV, and other viruses replicating in a similar manner. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 5mg, 50mg. Molecular Formula: C8H8FN3O5, Molecular Weight: 245.16. US Biological Life Sciences. | Worldwide |
| (2S-cis)-5-Fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)-pyrimidinedione | 5-Fluoro-3'-thia-2',3'-dideoxyuridine is an impurity of ent-Emtricitabine (E525005), a reverse transcriptase inhibitor and an effective antiviral agent against HIV, HBV, and other viruses replicating in a similar manner. In addition, ent-Emtricitabine (E525005) is a nucleoside analog structurally related to Lamivudine (L172500). Group: Biochemicals. Grades: Highly Purified. CAS No. 145281-92-1. Pack Sizes: 1mg, 5mg. Molecular Formula: C8H9FN2O4S, Molecular Weight: 248.23. US Biological Life Sciences. | Worldwide |
| 5-epi Emtricitabine Carboxylic Acid | 5-epi Emtricitabine Carboxylic Acid is an impurity of 5-epi Emtricitabine; an epimer of Emtricitabine which is a nucleoside reverse transcriptase inhibitor approved for treatment of HIV-1. Emtricitabine also has antagonistic activity against the hepatitis B virus. Synonyms: (2R,5R)-5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic Acid. Molecular formula: C8H8FN2O4S. Mole weight: 261.23. | |
| Asymmetric Methylene Conjugated Emtricitabine Dimer | Asymmetric Methylene Conjugated Emtricitabine Dimer is an impurity of Emtricitabine, which is a nucleoside reverse transcriptase inhibitor for the treatment of HIV infection in adults and children. Synonyms: Emtricitabine Tenofovir FT3 IMP; Emtricitabine Asymmetric Dimer; 4-Amino-5-fluoro-1-[(2R,5S)-2-[[[[5-fluoro-1,2-dihydro-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2-oxo-4-pyrimidinyl]amino]methoxy]methyl]-1,3-oxathiolan-5-yl]-2(1H)-pyrimidinone; 2(1H)-Pyrimidinone, 4-amino-5-fluoro-1-[(2R,5S)-2-[[[[5-fluoro-1,2-dihydro-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2-oxo-4-pyrimidinyl]amino]methoxy]methyl]-1,3-oxathiolan-5-yl]-; Emtricitabine FT3. Grade: ≥95%. CAS No. 1962114-96-0. Molecular formula: C17H20F2N6O6S2. Mole weight: 506.50. | |
| cis 5-Fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)-pyrimidinedione | An antiviral nucleoside analog, also an impurity found in emtricitabine. Synonyms: Emtricitabine 5-fluorouracil analog; (2R-cis)-5-Fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)-pyrimidinedione. Grade: 98%. CAS No. 145986-11-4. Molecular formula: C8H9FN2O4S. Mole weight: 248.23. | |
| Emtricitabine 6'-Disulfide | An impurity of Emtricitabine synthesis. Synonyms: (-)-2',3'-Dideoxy-5-fluoro-3'-thiacytidine 6'-Disulfide; (-)-2'-Deoxy-5-fluoro-3'-thiacytidine 6'-Disulfide. Grade: 95%. Molecular formula: C16H18F2N6O4S4. Mole weight: 524.6. | |
| Emtricitabine 6-Disulfide | An impurity of Emtricitabine synthesis. Group: Biochemicals. Alternative Names: (-)-2,3-Dideoxy-5-fluoro-3-thiacytidine 6-Disulfide; (-)-2'-Deoxy-5-fluoro-3'-thiacytidine 6-Disulfide. Grades: Highly Purified. Pack Sizes: 5mg. US Biological Life Sciences. | Worldwide |
| Emtricitabine acid | An impurity of Emtricitabine, a nucleoside reverse-transcriptase inhibitor used to treat HBV and HIV infection. Molecular formula: C8H8FN3O4S. Mole weight: 261.23. | |
| Emtricitabine Carboxylic Acid | Emtricitabine Carboxylic Acid is an impurity of the antiviral agent Emtricitabine. Group: Biochemicals. Alternative Names: (2R,5S)-5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic Acid. Grades: Highly Purified. CAS No. 1238210-10-0. Pack Sizes: 10mg. US Biological Life Sciences. | Worldwide |
| Emtricitabine Carboxylic Acid | Emtricitabine Carboxylic Acid is an impurity of the antiviral agent Emtricitabine. Synonyms: (2R,5S)-5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic Acid. Grade: > 95%. CAS No. 1238210-10-0. Molecular formula: C8H8FN3O4S. Mole weight: 261.23. | |
| Emtricitabine Glycosamine | Emtricitabine Glycosamine is an impurity of Lamivudine, a potent nucleoside reverse transcriptase inhibitor and antiviral agent. Lamivudine has also been used for treatment of chronic hepatitis B. Synonyms: EMTRICITABINE GLYCOSAMINE PRODUCT; Emtricitabine Lactose Adduct; Emtricitabine D-Lactose Adduct. Grade: ≥95%. Molecular formula: C20H30FN3O13S. Mole weight: 571.53. | |
| Emtricitabine Menthyl Ester | Emtricitabine Menthyl Ester is an impurity of Lamivudine, a potent nucleoside reverse transcriptase inhibitor and antiviral agent. Lamivudine has also been used for treatment of chronic hepatitis B. Synonyms: [1R-[1α(2S*,5R*),2β,5α]]-5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic Acid 5-Methyl-2-(1-methylethyl)cyclohexyl Ester. CAS No. 147126-75-8. Molecular formula: C18H26FN3O4S. Mole weight: 399.48. | |
| (-)-Emtricitabine O-b-D-glucuronide | (-)-Emtricitabine O-b-D-glucuronide is an impurity of Emtricitabine, which is a nucleoside reverse transcriptase inhibitor for the treatment of HIV infection in adults and children. Synonyms: Emtricitabine-2'-O-glucuronide; Emtricitabine O-β-D-glucuronide; (2R-cis)-[5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolan-2-yl]methyl b-D-glucopyranosiduronic acid; β-D-Glucopyranosiduronic acid, [5-(4-amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolan-2-yl]methyl, (2R-cis)-. Grade: ≥95%. CAS No. 152128-78-4. Molecular formula: C14H18FN3O9S. Mole weight: 423.37. | |
| Emtricitabine R-sulfoxide | An impurity of Emtricitabine, a nucleoside reverse-transcriptase inhibitor used to treat HBV and HIV infection. Synonyms: (R)-emtricitabine sulfoxide. Molecular formula: C8H10FN3O4S. Mole weight: 263.25. | |
| Emtricitabine S-sulfoxide | An impurity of Emtricitabine, a nucleoside reverse-transcriptase inhibitor used to treat HBV and HIV infection. Synonyms: Emtricitabine S-oxide, (S)-; Emtricitabine sulfoxide, (S)-; Emtricitabine 3'-oxide, (S)-. CAS No. 1160303-44-5. Molecular formula: C8H10FN3O4S. Mole weight: 263.25. | |
| Emtricitabine Tenofovir Alfenamide | Emtricitabine Tenofovir Alfenamide is a derivative of Emtricitabine, which is a nucleoside reverse transcriptase inhibitor for the treatment of HIV infection in adults and children. Synonyms: Emtricitabine Tenofovir Alfenamide Mixed Dimer Impurity; Isopropyl (((((R)-1-(6-((((5-fluoro-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)amino)methyl)amino)-9H-purin-9-yl)propan-2-yl)oxy)methyl)(phenoxy)phosphoryl)-L-alaninate; (2S)-Isopropyl 2-((((((2R)-1-(6-((((5-fluoro-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)amino)methyl)amino)-9H-purin-9-yl)propan-2-yl)oxy)methyl)(phenoxy)phosphoryl)amino)propanoate; Isopropyl N-[({[(2R)-1-(6-{[({5-fluoro-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2-oxo-1,2-dihydro-4-pyrimidinyl}amino)methyl]amino}-9H-purin-9-yl)-2-propanyl]oxy}methyl)(phenoxy)phosphoryl]-L-alaninate; L-Alanine, N-[[[(1R)-2-[6-[[[[5-fluoro-1,2-dihydro-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2-oxo-4-pyrimidinyl]amino]methyl]amino]-9H-purin-9-yl]-1-methylethoxy]methyl]phenoxyphosphinyl]-, 1-methylethyl ester. Grade: >95%. Molecular formula: C30H39FN9O8PS. Mole weight: 735.72. | |
| Emtricitabine Tenofovir FT1 IMP | An impurity of Emtricitabine. Emtricitabine is a nucleoside reverse transcriptase inhibitor (NRTI) used in the treatment and prevention of HIV-1 infection. Synonyms: Phosphonic acid, P-[[(1R)-2-(6-amino-9H-purin-9-yl)-1-methylethoxy]methyl]-, mono[[(2R,5S)-5-(4-amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolan-2-yl]methyl] ester; [(2R,5S)-5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolan-2-yl]methyl hydrogen P-[[(1R)-2-(6-amino-9H-purin-9-yl)-1-methylethoxy]methyl]phosphonate; Emtricitabine Impurity 19; Emtricitabine FT1. Grade: ≥95%. CAS No. 1962114-95-9. Molecular formula: C17H22FN8O6PS. Mole weight: 516.44. | |
| Emtricitabine Tenofovir FT2 IMP | An impurity of Emtricitabine. Emtricitabine is a nucleoside reverse transcriptase inhibitor (NRTI) used in the treatment and prevention of HIV-1 infection. Synonyms: P-[[(1R)-2-[6-[[[[5-Fluoro-1,2-dihydro-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2-oxo-4-pyrimidinyl]amino]methyl]amino]-9H-purin-9-yl]-1-methylethoxy]methyl]phosphonic acid; Emtricitabine Impurity 18. Grade: ≥95%. CAS No. 1962115-01-0. Molecular formula: C18H24FN8O7PS. Mole weight: 546.47. | |
| Hydroxymethyl Emtricitabine | Hydroxymethyl Emtricitabine is an impurity of Emtricitabine, which is a nucleoside reverse transcriptase inhibitor for the treatment of HIV infection in adults and children. Synonyms: 5-Fluoro-1-((2S,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-4-((hydroxymethyl)amino)-2(1H)-pyrimidinone. Molecular formula: C9H12FN3O4S. Mole weight: 277.27. | |
| (+)-Isomenthol | (+)-Isomenthol is an impurity of Emtricitabine, which is a nucleoside reverse transcriptase inhibitor for the treatment of HIV infection in adults and children. Synonyms: D-Isomenthol; (1S,2R,5R)-2-Isopropyl-5-methylcyclohexanol; (1S-(1alpha,2beta,5beta))-5-Methyl-(1-isopropyl)cyclohexan-2-ol; Emtricitabine Impurity 7; [1S-(1a,2b,5b)]-5-Methyl-2-(1-methylethyl)cyclohexanol; (1R,3S,4R)-(+)-Menthol; (1S,2R,5R)-(+)-Isomenthol. Grade: 85% by GC. CAS No. 23283-97-8. Molecular formula: C10H20O. Mole weight: 156.26. | |
| (R)-Emtricitabine Sulfoxide | An impurity of Emtricitabine. Emtricitabine is a nucleoside reverse transcriptase inhibitor (NRTI) used in the treatment and prevention of HIV-1 infection. Synonyms: Emtricitabine (R)-sulphoxide; Emtricitabine Sulfoxide Impurity Isomer-2 (R-isomer); Emtricitabine Impurity 17; 4-Amino-5-fluoro-1-((2R,3R,5S)-2-(hydroxymethyl)-3-oxido-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one; (R)-Emtricitabine S-oxide; (R)-Emtricitabine 3'-oxide; (R)-Emtricitabine-3'-sulfoxide; Emtricitabine Sulfoxide Isomer 2. Grade: ≥95%. CAS No. 2101981-64-8. Molecular formula: C8H10FN3O4S. Mole weight: 263.24. | |
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