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| Product | Description | |
|---|---|---|
| Gemcitabine impurity 1 | Gemcitabine impurity 1. Grade: > 95%. Molecular formula: C16H14F2N2O6. Mole weight: 368.30. |  |
| Gemcitabine Impurity 1 | Gemcitabine Impurity 1. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: ((2R,3R)-3-(benzoyloxy)-4,4-difluoro-5-oxotetrahydrofuran-2-yl)methyl benzoate. CAS No. 122111-01-7. Molecular formula: C19H14F2O6. Mole weight: 376.31. Catalog: APB122111017. |  |
| Gemcitabine impurity 2 | Gemcitabine impurity 2. Grade: > 95%. Molecular formula: C16H14F2N2O6. Mole weight: 368.30. | |
| Gemcitabine Impurity 3 | Gemcitabine Impurity 3. Synonyms: 2'-Deoxy-5,6-didehydro-2',2'-difluoro-6-hydroxyuridine. Grade: > 95%. Molecular formula: C9H12F2N2O6. Mole weight: 282.20. | |
| Gemcitabine Impurity 3 | Gemcitabine Impurity 3. Uses: For analytical and research use. Group: Impurity standards. CAS No. 153381-14-7. Molecular formula: C9H10F2N2O5. Mole weight: 264.18. Catalog: APB153381147. | |
| Gemcitabine Impurity 4 | Gemcitabine Impurity 4. Grade: > 95%. Molecular formula: C9H10F2N2O5. Mole weight: 264.19. | |
| Gemcitabine Impurity 5 | Gemcitabine Impurity 5. Uses: For analytical and research use. Group: Impurity standards. CAS No. 122111-12-0. Molecular formula: C5H6F2O4. Mole weight: 168.1. Catalog: APB122111120. | |
| Gemcitabine Impurity 6 | Gemcitabine Impurity 6. Uses: For analytical and research use. Group: Impurity standards. CAS No. 122111-02-8. Molecular formula: C19H14F2O6. Mole weight: 376.31. Catalog: APB122111028. | |
| Gemcitabine Impurity 7 | Gemcitabine Impurity 7. Uses: For analytical and research use. Group: Impurity standards. CAS No. 122111-07-3. Molecular formula: C12H10F2O5. Mole weight: 272.2. Catalog: APB122111073. | |
| Gemcitabine EP Impurity B | Gemcitabine EP Impurity B. Uses: For analytical and research use. Group: Impurity standards. CAS No. 122111-05-1. Molecular formula: C9H11F2N3O4·ClH. Mole weight: 299.66. Catalog: APB122111051. | |
| 1'-Epi Gemcitabine-[13C,15N2] 3',5'-Dibenzoate | A labelled impurity of Gemcitabine. Gemcitabine is an antitumor drug used for the treatment of multiple cancers. Synonyms: 1'-Epi Gemcitabine-13C,15N2 3',5'-Dibenzoate; 4-Amino-3,5-di-O-benzoyl-1-(2-deoxy-2,2-difluoro-α-D-erythro-pentofuranosyl)-2(1H)-pyrimidinone-13C,15N2. CAS No. 2757566-55-3. Molecular formula: C22[13C]H19F2N[15N]2O6. Mole weight: 474.39. | |
| 1'-Epi Gemcitabine Hydrochloride | 1'-Epi Gemcitabine Hydrochloride. Uses: For analytical and research use. Group: Impurity standards. CAS No. 122111-05-1. Molecular formula: C9H12ClF2N3O4. Mole weight: 299.66. Catalog: APS122111051. Format: Neat. | |
| 2',2'-Difluoro-2'-deoxyuridine-[13C,15N2] | 2',2'-Difluoro-2'-deoxyuridine-[13C,15N2] is the labelled analogue of 2',2'-Difluoro-2'-deoxyuridine, which is a metabolite of Gemcitabine. Synonyms: 2',2'-Difluoro-2'-deoxyuridine-13C,15N2; 2'-Deoxy-2',2'-difluorouridine-13C,15N2; 2',2'-Difluorodeoxyuridine-13C,15N2; Gemcitabine Impurity C-13C,15N2. Grade: ≥98%; ≥99% atom 13C; ≥99% atom 15N. CAS No. 1233921-75-9. Molecular formula: C8[13C]H10F2[15N]2O5. Mole weight: 267.16. | |
| 2'-Deoxy-2',2'-difluoro-5,6-dihydro-6-hydroxyuridine (Mixture of Diastereomers) | 2'-Deoxy-2',2'-difluoro-5,6-dihydro-6-hydroxyuridine (Mixture of Diastereomers) is a mixture of R and S isomers of 2'-Deoxy-2',2'-difluoro-5,6-dihydro-6-hydroxyuridine which is an impurity (a product of degradation) of Gemcitabine Hydrochloride (G305000). Gemcitabine Hydrochloride is an antineoplastic agent. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg, 2mg. Molecular Formula: C9H12F2N2O6. US Biological Life Sciences. |  Worldwide |
| 2'-Deoxy-2',2'-difluorouridine | A metabolite of Gemcitabine in human plasma. Gemcitabine is a nucleoside analog used in chemotherapy to treat cancers including testicular cancer, breast cancer, ovarian cancer, non-small cell lung cancer, pancreatic cancer, and bladder cancer. Synonyms: Gemcitabine Impurity C; 1-(2-Deoxy-2,2-difluoro-β-D-erythro-pentofuranosyl)-pyrimidin-2,4(1H,3H)-dione; 2',2'-Difluoro-2'-deoxyuridine; 2',2'-Difluorodeoxyuridine; 1-((2R,4R,5R)-3,3-difluoro-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione; Gemcitabine EP Impurity C. Grade: ≥97% by HPLC. CAS No. 114248-23-6. Molecular formula: C9H10F2N2O5. Mole weight: 264.19. | |
| 2'-Deoxy-5'-O-methyl-uridine | 2'-Deoxy-5'-O-methyl-uridine is an intermediate in synthesizing 5O,6-Cyclo-dihydro-2,2-difluoro-2-deoxyuridine (C989920), which is an impurity (a product of degradation) of Gemcitabine Hydrochloride (G305000) which is an antineoplastic agent. Group: Biochemicals. Grades: Highly Purified. CAS No. 134785-27-6. Pack Sizes: 25mg, 50mg. Molecular Formula: C10H14N2O5. US Biological Life Sciences. | Worldwide |
| 2'-Deoxy-5'-O-methyl-uridine | 2'-Deoxy-5'-O-methyl-uridine is an intermediate in synthesizing 5'O,6-Cyclo-dihydro-2',2'-difluoro-2'-deoxyuridine, which is an impurity (a product of degradation) of Gemcitabine Hydrochloride, an antineoplastic agent. Synonyms: 1-((2R,4S,5R)-4-Hydroxy-5-(methoxymethyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione. CAS No. 134785-27-6. Molecular formula: C10H14N2O5. Mole weight: 242.23. | |
| 2'-Deoxy-uridine 3',5'-Bis(O-phenyl Carbonothioate) | 2'-Deoxy-uridine 3',5'-Bis(O-phenyl Carbonothioate) is an intermediate in synthesizing 5O,6-Cyclo-dihydro-2,2-difluoro-2-deoxyuridine (C989920), which is an impurity (a product of degradation) of Gemcitabine Hydrochloride (G305000) which is an antineoplastic agent. Group: Biochemicals. Grades: Highly Purified. CAS No. 849104-78-5. Pack Sizes: 50mg, 100mg. Molecular Formula: C23H20N2O7S2. US Biological Life Sciences. | Worldwide |
| 2'-Deoxy-uridine 3',5'-Bis(O-phenyl Carbonothioate) | 2'-Deoxy-uridine 3',5'-Bis(O-phenyl Carbonothioate) is an intermediate in synthesizing 5'O,6-Cyclo-dihydro-2',2'-difluoro-2'-deoxyuridine, which is an impurity (a product of degradation) of Gemcitabine Hydrochloride, an antineoplastic agent. CAS No. 849104-78-5. Molecular formula: C23H20N2O7S2. Mole weight: 500.54. | |
| 2'-Deoxy-uridine 3'-(O-Phenyl Carbonothioate) | 2'-Deoxy-uridine 3'-(O-Phenyl Carbonothioate) is an intermediate in synthesizing 5O,6-Cyclo-dihydro-2,2-difluoro-2-deoxyuridine (C989920), which is an impurity (a product of degradation) of Gemcitabine Hydrochloride (G305000) which is an antineoplastic agent. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 50mg, 100mg. Molecular Formula: C16H16N2O6S. US Biological Life Sciences. | Worldwide |
| 2'-Deoxy-uridine 3'-(O-Phenyl Carbonothioate) | 2'-Deoxy-uridine 3'-(O-Phenyl Carbonothioate) is an intermediate in synthesizing 5'O,6-Cyclo-dihydro-2',2'-difluoro-2'-deoxyuridine, which is an impurity (a product of degradation) of Gemcitabine Hydrochloride, an antineoplastic agent. Synonyms: O-((2R,3S,5R)-5-(2,4-Dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2-(hydroxymethyl)tetrahydrofuran-3-yl) O-Phenyl Carbonothioate. Molecular formula: C16H16N2O6S. Mole weight: 364.37. | |
| 2'-Deoxy-uridine 5'-(O-Phenyl Carbonothioate) | 2'-Deoxy-uridine 5'-(O-Phenyl Carbonothioate) is an intermediate in synthesizing 5O,6-Cyclo-dihydro-2,2-difluoro-2-deoxyuridine (C989920), which is an impurity (a product of degradation) of Gemcitabine Hydrochloride (G305000) which is an antineoplastic agent. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 50mg, 100mg. Molecular Formula: C16H16N2O6S. US Biological Life Sciences. | Worldwide |
| 2'-Deoxy-uridine 5'-(O-Phenyl Carbonothioate) | 2'-Deoxy-uridine 5'-(O-Phenyl Carbonothioate) is an intermediate in synthesizing 5'O,6-Cyclo-dihydro-2',2'-difluoro-2'-deoxyuridine, Gemcitabine Hydrochloride impurity (a product of degradation) which is an antineoplastic agent. Synonyms: O-(((2R,3S,5R)-5-(2,4-Dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3-hydroxytetrahydrofuran-2-yl)methyl) O-Phenyl Carbonothioate. Molecular formula: C16H16N2O6S. Mole weight: 364.37. | |
| 3'-Epi gemcitabine | 3'-Epi gemcitabine. Group: Biochemicals. Alternative Names: 4-Amino-1-(deoxy-2,2-difluoro-D-threo-pentofuranosyl)-2(1H)-pyrimidinone; Gemcitabine impurity. Grades: Highly Purified. CAS No. 103882-85-5. Pack Sizes: 1mg, 2mg, 5mg. Molecular Formula: C9H11F2N3O4. US Biological Life Sciences. | Worldwide |
| 3'-Epi Gemcitabine | 3'-Epi Gemcitabine. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4-Amino-1-(2-deoxy-2,2-difluoro-D-threo-pentofuranosyl)-2(1H)-pyrimidinone. CAS No. 103882-85-5. IUPAC Name: 4-amino-1-[(4S,5R)-3,3-difluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidin-2-one. Molecular formula: C9H11F2N3O4. Mole weight: 263.20. Catalog: APS103882855. SMILES: NC1=NC(=O)N(C=C1)C2O[C@H](CO)[C@H](O)C2(F)F. Format: Neat. | |
| 3'-Epi Gemcitabine | An impurity from the synthesis of Gemcitabine. Synonyms: 4-Amino-1-(deoxy-2,2-difluoro-D-threo-pentofuranosyl)-2(1H)-pyrimidinone; Gemcitabine Impurity. CAS No. 103882-85-5. Molecular formula: C9H11F2N3O4. Mole weight: 263.2. | |
| 3-Epigemcitabine (4-Amino-1-(Deoxy-2,2-difluoro-D-threo-pentofuranosyl)-2(1H)-pyrimidinone) | An impurity from the synthesis of Gemcitabine. Group: Biochemicals. Alternative Names: 4-Amino-1-(Deoxy-2,2-difluoro-D-threo-pentofuranosyl)-2(1H)-pyrimidinone. Grades: Highly Purified. CAS No. 103882-85-5. Pack Sizes: 500ug. US Biological Life Sciences. | Worldwide |
| 3-((R)-2,2-Dimethyl-1,3-dioxolan-4-yl)-2,2-difluoro-3-hydroxypropanoic Acid (R)-Ethyl Ester | 3-((R)-2,2-Dimethyl-1,3-dioxolan-4-yl)-2,2-difluoro-3-hydroxypropanoic Acid (R)-Ethyl Ester is an impurity from the synthesis of Gemcitabine. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 250mg, 500mg. Molecular Formula: C10H16F2O5. US Biological Life Sciences. | Worldwide |
| 5-Bromo-2'-deoxy-2',2'-difluorouridine | 5-Bromo-2'-deoxy-2',2'-difluorouridine is an intermediate in synthesizing 5'O,6-Cyclo-dihydro-2',2'-difluoro-2'-deoxyuridine, which is an impurity (a product of degradation) of Gemcitabine, an antineoplastic agent. Synonyms: 5-Bromo-2'-deoxy-2',2'-difluorouridine. CAS No. 132786-35-7. Molecular formula: C9H9BrF2N2O5. Mole weight: 343.08. | |
| 5-Bromo-2'-deoxy-2',2'-difluorouridine 5'-O-Acetate | 5-Bromo-2'-deoxy-2',2'-difluorouridine 5'-O-Acetate is an intermediate in synthesizing 5'O,6-Cyclo-dihydro-2',2'-difluoro-2'-deoxyuridine, which is an impurity (a product of degradation) of Gemcitabine Hydrochloride which is an antineoplastic agent. Synonyms: ((2R,3R,5R)-5-(5-Bromo-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4,4-difluoro-3-hydroxytetrahydrofuran-2-yl)methyl Acetate. Molecular formula: C11H11BrF2N2O6. Mole weight: 385.12. | |
| Cytosine | Cytosine is one of the four main bases found in DNA and RNA, along with adenine, guanine, and thymine (uracil in RNA). It is a pyrimidine derivative, with a heterocyclic aromatic ring and two substituents attached (anamine group at position 4 and a keto group at position 2). The nucleoside of cytosine is cytidine. In Watson-Crick base pairing, it forms three hydrogen bonds with guanine. Synonyms: Cytarabine Impurity C; 4-Aminopyrimidin-2(1H)-one; 6-Amino-2(1H)-pyrimidinone; 4-Amino-1H-pyrimidin-2-one; 4-Amino-2(1H)-pyrimidinone; 4-Amino-2-hydroxypyrimidine; 4-Aminouracil; Gemcitabine EP Impurity A; Lamivudine EP Impurity E; 2-Hydroxy-4-pyrimidinamine; 4-Amino-2-oxo-1,2-dihydropyrimidine; Cytosines; Cytosinimine; NSC 27787; Cytarabine EP Impurity C; Gemcitabine hydrochloride EP Impurity A. Grade: 98%. CAS No. 71-30-7. Molecular formula: C4H5N3O. Mole weight: 111.10. | |
| Gemcitabine alpha-anomer | Gemcitabine alpha-anomer is an anomer of Gemcitabine. Gemcitabine is a nucleoside analog used in chemotherapy to treat cancers including testicular cancer, breast cancer, ovarian cancer, non-small cell lung cancer, pancreatic cancer, and bladder cancer. Synonyms: Gemcitabine EP Impurity B; 4-Amino-1-(2-deoxy-2,2-difluoro-α-D-erythropentofuranosyl)pyrimidin-2(1H)-one; Gemcitabine α-anomer; 4-Amino-1-(2-deoxy-2,2-difluoro-α-D-erythro-pentofuranosyl)-2(1H)-pyrimidinone; Gemcitabine Impurity B; 1'-Epi Gemcitabine; 4-Amino-1-((2S,4R,5R)-3,3-difluoro-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidin-2(1H)-one; 1-(2,2-Difluoro-2-deoxy-α-D-ribofuranosyl)cytosine; α-Gemcitabine; Gemcitabine hydrochloride EP Impurity B. Grade: ≥95%. CAS No. 95058-85-8. Molecular formula: C9H11F2N3O4. Mole weight: 263.20. | |
| Gemcitabine (alpha-Isomer) Hydrochloride | Gemcitabine (alpha-Isomer) Hydrochloride is an α-Anomer of Gemcitabine. Gemcitabine is a nucleoside analogue used in chemotherapy. It treats cancers including testicular cancer, breast cancer, ovarian cancer, non-small cell lung cancer, pancreatic cancer and bladder cancer. Synonyms: 2(1H)-Pyrimidinone, 4-amino-1-(2-deoxy-2,2-difluoro-α-D-erythro-pentofuranosyl)-, hydrochloride (1:1); Gemcitabine EP Impurity B hydrochloride; 4-Amino-1-(2-deoxy-2,2-difluoro-α-D-erythropentofuranosyl)pyrimidin-2(1H)-one hydrochloride; Gemcitabine α-anomer hydrochloride; Gemcitabine Impurity B hydrochloride; 1'-Epi Gemcitabine hydrochloride; 1-(2,2-Difluoro-2-deoxy-α-D-ribofuranosyl)cytosine hydrochloride; α-Gemcitabine hydrochloride. Grade: >95%. CAS No. 122111-05-1. Molecular formula: C9H12F2N3O4Cl. Mole weight: 299.65. | |
| Gemcitabine Triphosphate (triethylammonium salt form) | An impurity of Gemcitabine. Gemcitabine is an antineoplastic chemotherapy medication of the antimetabolites class. It halts cell division through damaging RNA or DNA which control the process. It can be used to treat multiple cancers. Synonyms: Cytidine 5'-(tetrahydrogen triphosphate), 2'-deoxy-2',2'-difluoro-, compd. with N,N-diethylethanamine (1:3); 2'-Deoxy-2',2'-difluorocytidine 5'-(Tetrahydrogen Triphosphate) triethylammonium; Gemcitabine Triphosphate Tri(triethylamine) Salt. Grade: 95%. CAS No. 1035495-84-1. Molecular formula: C9H14F2N3O13P3.3C6H15N. Mole weight: 806.71. | |
| 1',3'-Epi Gemcitabine 3',5'-Dibenzoate | An intermediate in the preparation of Gemcitabine Impurities. Synonyms: 4-Amino-1-(deoxy-2,2-difluoro-α-D-threo-pentofuranosyl)-2(1H)-pyrimidinone. CAS No. 1268237-46-2. Molecular formula: C23H19F2N3O6. Mole weight: 471.41. | |
| 1,3-Epi Gemcitabine 3,5-Dibenzoate | Intermediate in the preparation of Gemcitabine Impurities. Group: Biochemicals. Alternative Names: 4-Amino-1-(deoxy-2,2-difluoro-α-D-threo-pentofuranosyl)-2(1H)-pyrimidinone. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences. | Worldwide |
| 3-Epi Gemcitabine 3,5-Dibenzoate | Intermediate in the preparation of Gemcitabine impurities. Group: Biochemicals. Alternative Names: 4-Amino-1-(3,5-di-O-benzoyl-2-deoxy-2,2-difluoro-D-threo-pentofuranosyl)-2(1H)-pyrimidinone. Grades: Highly Purified. CAS No. 1268237-46-2. Pack Sizes: 500ug. US Biological Life Sciences. | Worldwide |
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