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Lamivudine Acid is an impurity of Lamivudine. Impurity A per European Pharmacopoeia. Group: Biochemicals. Alternative Names: (2R-cis)-5-(4-amino-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic Acid. Grades: Highly Purified. CAS No. 173829-09-9. Pack Sizes: 25mg. US Biological Life Sciences.
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Lamivudine Acid
Lamivudine Acid. Uses: For analytical and research use. Group: Impurity standards. CAS No. 173829-09-9. Molecular formula: C8H9N3O4S. Mole weight: 243.24. Catalog: APS173829099. Format: Neat.
5-Fluoro ent-Lamivudine Acid D-Menthol Ester
5-Fluoro ent-Lamivudine Acid D-Menthol Ester is an intermediate in the synthesis of Emtricitabine, which is a nucleoside reverse transcriptase inhibitor for the treatment of HIV infection in adults and children. Synonyms: (2S,5R)-5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic Acid (1S,2R,5S)-5-Methyl-2-(1-methylethyl)cyclohexyl Ester; (1S,2R,5S)-2-Isopropyl-5-methylcyclohexyl (2S,5R)-5-(4-amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylate; 1,3-Oxathiolane-2-carboxylic acid, 5-(4-amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-, (1S,2R,5S)-5-methyl-2-(1-methylethyl)cyclohexyl ester, (2S,5R)-. Grade: 98%. CAS No. 764659-79-2. Molecular formula: C18H26FN3O4S. Mole weight: 399.48.
ent-Lamivudine acid (1S,2R,5S)-5-methyl-2-isopropylcyclohexyl ester is an intermediate in the preparation of Lamivudine, a potent nucleoside reverse transcriptase inhibitor and antiviral agent. Lamivudine has also been used for treatment of chronic hepatitis B. Synonyms: 1,3-Oxathiolane-2-carboxylic acid, 5-(4-amino-2-oxo-1(2H)-pyrimidinyl)-, (1S,2R,5S)-5-methyl-2-(1-methylethyl)cyclohexyl ester, (2S,5R)-; (2S,5R)-5-(4-Amino-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic Acid (1S,2R,5S)-5-Methyl-2-(1-methylethyl)cyclohexyl Ester; [1S-[1α(2R*,5S*),2β,5α]]-5-(4-Amino-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic Acid 5-Methyl-2-(1-methylethyl)cyclohexyl Ester; ent-Lamivudine Acid (1S,2R,5S)-(+)-Menthol Ester; ent-Lamivudine Acid D-Menthol Ester; (1S,2R,5S)-5-Methyl-2-(1-methylethyl)cyclohexyl (2S,5R)-5-(4-amino-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylate; 1,3-Oxathiolane-2-carboxylic acid, 5-(4-amino-2-oxo-1(2H)-pyrimidinyl)-, 5-methyl-2-(1-methylethyl)cyclohexyl ester, [1S-[1α(2R*,5S*),2β,5α]]-. Grade: ≥95%. CAS No. 147126-74-7. Molecular formula: C18H27N3O4S. Mole weight: 381.50.
A protected impurity of the anti-viral Lamivudine. Group: Biochemicals. Alternative Names: cis-5-(4-Amino-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic Acid L-Menthol Ester. Grades: Highly Purified. Pack Sizes: 5mg. US Biological Life Sciences.
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rac-Lamivudine acid
rac-Lamivudine acid. Group: Biochemicals. Alternative Names: cis-5-(4-Amino-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic acid. Grades: Highly Purified. CAS No. 173602-25-0. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C8H9N3O4S. US Biological Life Sciences.
Worldwide
rac Lamivudine Acid
An impurity of the anti-viral Lamivudine. Group: Biochemicals. Alternative Names: cis-5-(4-Amino-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic Acid. Grades: Highly Purified. CAS No. 173602-25-0. Pack Sizes: 10mg. US Biological Life Sciences.
(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl (2R,5S)-5-hydroxy-1,3-oxathiolane-2-carboxylate is an impurity of Lamivudine, which is a potent nucleoside reverse transcriptase inhibitor and antiviral agent used to treat chronic hepatitis B. Synonyms: 1,3-Oxathiolane-2-carboxylic acid, 5-hydroxy-, (1R,2S,5R)-5-methyl-2-(1-methylethyl)cyclohexyl ester, (2R,5S)-; Lamivudine Impurity 5; (2R,5R)-5-Hydroxy-1,3-oxathiolane-2-carboxylic acid (1R,2S,5R)-5-methyl-2-(1-methylethyl)cyclohexyl ester. Grade: ≥95%. CAS No. 147027-08-5. Molecular formula: C14H24O4S. Mole weight: 288.40.
(1R,2S,5R)-Menthol-5R-hydroxy-[1,3]-oxathiolane-2R-carboxylate is an intermediate of Lamivudine, a potent nucleoside reverse transcriptase inhibitor and antiviral agent. Lamivudine has also been used for treatment of chronic hepatitis B. Synonyms: (2S,5R)-5-Hydroxy[1,3]oxathiolane-2-carboxylic Acid L-Menthol Ester; (1R,2S,5R)-Menthol-5R-hydroxy Acid 2-Isopropyl-5-methyl-cyclohexyl Ester; HME; Lamivudine Impurity 8; (1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl (2R,5R)-5-hydroxy-1,3-oxathiolane-2-carboxylate; 1,3-Oxathiolane-2-carboxylic acid, 5-hydroxy-, (1R,2S,5R)-5-methyl-2-(1-methylethyl)cyclohexyl ester, (2R,5R)-. Grade: 98%. CAS No. 147126-62-3. Molecular formula: C14H24O4S. Mole weight: 288.40.
(1R,2S,5S)-2-Isopropyl-5-methylcyclohexyl (2S,5R)-5-(4-amino-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylate is an impurity of Lamivudine, which is a potent nucleoside reverse transcriptase inhibitor and antiviral agent used to treat chronic hepatitis B. Synonyms: 1,3-Oxathiolane-2-carboxylic acid, 5-(4-amino-2-oxo-1(2H)-pyrimidinyl)-, 5-methyl-2-(1-methylethyl)cyclohexyl ester, [1R-[1α(2S*,5R*),2β,5β]]-; 1,3-Oxathiolane-2-carboxylic acid, 5-(4-amino-2-oxo-1(2H)-pyrimidinyl)-, (1R,2S,5S)-5-methyl-2-(1-methylethyl)cyclohexyl ester, (2S,5R)-. Grade: ≥95%. CAS No. 147126-73-6. Molecular formula: C18H27N3O4S. Mole weight: 381.49.
(2R,5S)-5-(3,4-Dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic Acid (1R,2S,5R)-5-Methyl-2-(1-methylethyl)cyclohexyl Ester is an intermediate in the synthesis of (2R-cis)-1-[2-(Hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)-pyrimidinedione which is an impurity of Lamivudine (L172500). (2R-cis)-1-[2-(Hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)-pyrimidinedione is also being further studied to determine its potential as an anti-HIV agent. Group: Biochemicals. Grades: Highly Purified. CAS No. 389128-28-3. Pack Sizes: 25mg, 100mg. Molecular Formula: C18H26N2O5S, Molecular Weight: 382.47. US Biological Life Sciences.
(2R,5S)-5-(3,4-Dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic Acid (1R,2S,5R)-5-Methyl-2-(1-methylethyl)cyclohexyl Ester is an intermediate in the synthesis of Lamivudine, which is a potent nucleoside analog reverse transcriptase inhibitor, used for the treatment of chronic HBV and HIV/AIDS. Synonyms: Lamivudine Impurity 27; 1,3-Oxathiolane-2-carboxylic acid, 5-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-, (1R,2S,5R)-5-methyl-2-(1-methylethyl)cyclohexyl ester, (2R,5S)-. Grade: ≥95%. CAS No. 389128-28-3. Molecular formula: C18H26N2O5S. Mole weight: 382.47.
(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,5S)-(1R,2S,5R)-5-Methyl-2-(1-methylethyl)cyclohexyl 5-(4-Amino-2-oxo-1(2H)-pyrimidinyl)-1,3-Oxathiolane-2-carboxylate is an intermediate and impurity of Lamivudine, which is a potent nucleoside reverse transcriptase inhibitor and antiviral agent used to treat chronic hepatitis B. Synonyms: (2S,5S)-(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl 5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate; Lamivudine Impurity 3; (1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl (2S,5S)-5-(4-amino-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylate; 1,3-Oxathiolane-2-carboxylic acid, 5-(4-amino-2-oxo-1(2H)-pyrimidinyl)-, (1R,2S,5R)-5-methyl-2-(1-methylethyl)cyclohexyl ester, (2S,5S)-. Molecular formula: C18H27N3O4S. Mole weight: 381.49.
An intermediate for the preparation of ent-Lamivudine. Group: Biochemicals. Alternative Names: [1S-[1α(2R*,5R*),2 β,5α]]-5-(Acetyloxy)-1,3-oxathiolane-2-carboxylic Acid 5-Methyl-2-(1-methylethyl)cyclohexyl Ester. Grades: Highly Purified. CAS No. 147126-68-9. Pack Sizes: 25mg. US Biological Life Sciences.
Worldwide
3TCMP
3TCMP is a metabolite of Lamivudine with an antiviral activity. Synonyms: Lamivudine monophosphate, Sodium Salt (L-Isomer); 2', 3'-Dideoxy-3'-thia-cytidine-5'-monophosphate, Sodium salt (L-Isomer). Grade: ≥ 95% by HPLC. Molecular formula: C8H12N3O6PS (free acid). Mole weight: 309.23 (free acid).
(5S)-5-(4-Amino-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic acid 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: 1,3-Oxathiolane-2-carboxylic acid, 5-(4-amino-2-oxo-1(2H)-pyrimidinyl)-, (5S)-; (5S)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylic acid. Grade: ≥95%. CAS No. 2382818-80-4. Molecular formula: C8H9N3O4S. Mole weight: 243.24.
Besifovir Dipivoxil maleate
Besifovir Dipivoxil maleateis is effective in hepatitis B virus (HBV) DNA suppression for both treatment-naive and lamivudine-resistant chronic hepatitis B (CHB) patients in preliminary studies. Synonyms: LB80380 maleate; Propanoic acid, 2,2-dimethyl-, 1,1'-(((((1-((2-amino-9H-purin-9-yl)methyl)cyclopropyl)oxy)methyl)phosphinylidene)bis(oxymethylene)) ester, (2Z)-2-butenedioate (1:1); {[({1-[(2-Amino-9H-purin-9-yl)methyl]cyclopropyl}oxy)methyl]phosphoryl}bis(oxymethylene) bis(2,2-dimethylpropanoate) (2Z)-2-butenedioate (1:1). Grade: ≥95%. CAS No. 1039623-01-2. Molecular formula: C26H38N5O12P. Mole weight: 643.58.
Cytidine(CME)
(2R,5S)-(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl 5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate is an impurity of Lamivudine, which is a potent nucleoside reverse transcriptase inhibitor and antiviral agent used to treat chronic hepatitis B. Synonyms: 1,3-Oxathiolane-2-carboxylic acid, 5-(4-amino-2-oxo-1(2H)-pyrimidinyl)-, (1R,2S,5R)-5-methyl-2-(1-methylethyl)cyclohexyl ester, (2R,5S)-; (1R,2S,5R)-5-Methyl-2-(1-methylethyl)cyclohexyl (2R,5S)-5-(4-amino-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylate; 1,3-Oxathiolane-2-carboxylic acid, 5-(4-amino-2-oxo-1(2H)-pyrimidinyl)-, 5-methyl-2-(1-methylethyl)cyclohexyl ester, [1R-[1α(2R*,5S*),2β,5α]]-; (2R,5S)-5-(4-Amino-2-oxo-1,2-dihydro-1-pyrimidinyl)-1,3-oxathiolane-2-carboxylic acid (1R,2S,5R)-2-isopropyl-5-methylcyclohexyl ester; (2R,5S)-L-Menthol-5-(4-amino-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylate; Lamivudine Impurity 17. Grade: ≥95%. CAS No. 147027-10-9. Molecular formula: C18H27N3O4S. Mole weight: 381.49.
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.
ent-Lamivudine Triphosphate Triethylammonium Salt
ent-Lamivudine Triphosphate Triethylammonium Salt is a metabolite of Lamivudine, a potent nucleoside reverse transcriptase inhibitor and antiviral agent. Lamivudine has also been used for treatment of chronic hepatitis B. Synonyms: ((2R,5R)-5-(4-Amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolan-2-yl)methyl Tetrahydrogen Triphosphate Triethylammonium Salt. Grade: 96%. Molecular formula: C8H14N3O12P3S.xC6H15N. Mole weight: 469.20 (free acid).
Lamivudine 5'-diphosphate ammonium salt
Lamivudine 5'-diphosphate ammonium salt. Group: Biochemicals. Alternative Names: P-[[(2R,5S)-5-(4-Amino-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolan-2-yl]methyl] ester diphosphoric acid ammonium salt. Grades: Highly Purified. CAS No. 1187058-41-8. Pack Sizes: 1mg, 2mg, 5mg, 10mg. Molecular Formula: C8H19N5O9P2S. US Biological Life Sciences.
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Lamivudine salicylate
Lamivudine (BCH-189) salicylate is an orally active nucleoside reverse transcriptase inhibitor (NRTI). Lamivudine salicylate can inhibit HIV reverse transcriptase 1/2 and also the reverse transcriptase of hepatitis B virus. Lamivudine salicylate can penetrate the CNS. Uses: Designed for use in research and industrial production. Additional or Alternative Names: (2r-cis)-4-amino-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2(1h)-pyrimidinone 2-hydroxybenzoate;lamivudine salicylate;2r-(Hydroxymethyl)-5(S)-Cytosin-1-Yl-1,3-Oxathiolanesalicycic Acid Salt;2R-(hydroxymethyl)-5(s)-cytosin-1-yl-[1,3]-oxathiolane salicylic. Product Category: Inhibitors. CAS No. 173522-96-8. Molecular formula: C8H11N3O3S?C7H6O3. Mole weight: 367.38. Canonical SMILES: OC[C@H]1SC[C@@H](N2C(N=C(N)C=C2)=O)O1.OC3=C(C(O)=O)C=CC=C3. Product ID: ACM173522968. Alfa Chemistry ISO 9001:2015 Certified. Categories: Benzoic acid.
An intermediate for the preparation of rac Lamivudine. Group: Biochemicals. Alternative Names: rac-5-(Acetyloxy)-1,3-oxathiolane-2-carboxylic Acid (1R,2S,5R)-5-Methyl-2-(1-methylethyl)cyclohexyl Ester. Grades: Highly Purified. Pack Sizes: 25mg. US Biological Life Sciences.
Worldwide
Salicylic acid
Salicylic acid is a natural product extract from Willow bark, well known as an antiinflammatory inhibitor of cyclooxygenase activity. It is widely used in organic synthesis and functions as a plant hormone and is known for its ability to ease aches and pains and reduce fevers. It is derived from the metabolism of salicin. It and its derivatives are used as constituents of some rubefacient products. In cosmetics, it has the effect of oil control, exfoliation, removing pimples, narrowing pores, and lightening marks. Uses: Anti-infective agents; antifungal agents; keratolytic agents. Synonyms: Lamivudine Impurity C; 2-Carboxyphenol; 2-Hydroxybenzenecarboxylic acid; Advanced Pain Relief Callus Removers; Advanced Pain Relief Corn Removers; Clear away Wart Remover; Compound W; Dr.Scholl's Callus Removers; Dr. Scholl's Corn Removers; Dr. Scholl's Wart Remover Kit; Duofil Wart Remover; Duoplant; FM 110602; Freezone; Ionil; Ionil Plus; K 537; K 557; NSC 180; o-Carboxyphenol; o-Hydroxybenzoic acid; Phenol-2-carboxylic acid; Psoriacid-S-Stift; Retarder W; Rutranex; Salicylic acid; Salicylic acid collodion; Salicylic Acid Soap; Saligel; Salonil; Salvona Nanosal; Stri-Dex; Trans-Ver-Sal; Verrugon; Lamivudine EP Impurity C. Grade: >95%. CAS No. 69-72-7. Molecular formula: C7H6O3. Mole weight: 138.12.
Uracil
Uracil is one of the four nucleobases in the nucleic acid of RNA, and can be used for drug delivery and as a pharmaceutical. Synonyms: Cytarabine Impurity D; Pyrimidin-2,4(1H,3H)-dione; 2,4(1H,3H)-Pyrimidinedione; 2,4-Dioxopyrimidine; 2,4-Pyrimidinedione; Pirod; Pyrod; Fluorouracil Impurity C; 1,2,3,4-Tetrahydropyrimidine-2,4-dione; 2,4-Dihydroxypyrimidine; 2,4-Pyrimidinediol; 4-Hydroxyuracil; Hybar X; NSC 3970; Lamivudine EP Impurity F; Fluorouracil EP Impurity C; Cytarabine EP Impurity D. Grade: >98%. CAS No. 66-22-8. Molecular formula: C4H4N2O2. Mole weight: 112.09.
An intermediate in the synthesis 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. CAS No. 764659-72-5. Pack Sizes: 100mg. US Biological Life Sciences.
Worldwide
5-Acetyloxy-1,3-oxathiolane-2-carboxylic Acid
Used in the preparation of Lamivudine. Group: Biochemicals. Grades: Highly Purified. CAS No. 440105-45-3. Pack Sizes: 100mg. US Biological Life Sciences.
Worldwide
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