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| Product | Description | |
|---|---|---|
| Iso Sildenafil | Iso Sildenafil is the isomer of Sildenafil methylated at N-2 position of the pyrazolo[4,3-d]pyrimidin-7-one nucleus. Group: Biochemicals. Alternative Names: 5-[2-Ethoxy-5-[ (4-methyl-1-piperazinyl) sulfonyl]phenyl]-2, 6-dihydro-2-methyl-3-propyl-7H-pyrazolo[4, 3-d]pyrimidin-7-one; 1-[[3-(4,7-Dihydro-2-methyl-7-oxo-3-propyl-2H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]-4-methylpiperazine. Grades: Highly Purified. CAS No. 253178-46-0. Pack Sizes: 5mg. US Biological Life Sciences. |  Worldwide |
| Iso Sildenafil-d3 | Labeled Iso Sildenafil. Isosildenafil is the isomer of Sildenafil methylated at N-2 position of the pyrazolo[4,3-d]pyrimidin-7-one nucleus. Group: Biochemicals. Alternative Names: 5-[2-Ethoxy-5-[ (4- (methyl-d3) -1-piperazinyl) sulfonyl]phenyl]-2, 6-dihydro-2-methyl-3-propyl-7H-pyrazolo[4, 3-d]pyrimidin-7-one; 1-[[3-(4,7-Dihydro-2-methyl-7-oxo-3-propyl-2H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]-4-(methyl-d3)piperazine. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences. | Worldwide |
| Demethylpiperazinyl Iso Sildenafil Sulfonyl Chloride | Iso Sildenafil derivative. Intermediate in the preparation of Iso Sildenafil and Iso Viagra. Group: Biochemicals. Alternative Names: 3-(6,7-Dihydro-2-methyl-7-oxo-3-propyl-2H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-benzenesulfonyl Chloride. Grades: Highly Purified. CAS No. 501120-42-9. Pack Sizes: 5mg. US Biological Life Sciences. | Worldwide |
| Sildenafil Impurity 15 (Isomer of Isobutyl Sildenafil) |  | |
| Sildenafil Impurity A (Isobutyl Sildenafil) | Cas No. 1391053-95-4. | |
| 1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid | Intermediate in the production of Sildenafil and respective analogs. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2-methyl-5-propylpyrazole-3-carboxylic acid. Product Category: Heterocyclic Organic Compound. CAS No. 139755-99-0. Molecular formula: C8H12N2O2. Mole weight: 168.19. Density: 1.19 g/cm³. Product ID: ACM139755990. Alfa Chemistry ISO 9001:2015 Certified. |  |
| 1-Methyl-3-propyl-1H-pyrazole-5-carboxylic Acid-d3 | 1-Methyl-3-propyl-1H-pyrazole-5-carboxylic Acid-d3 is an isotope labelled intermediate in the synthesis of Sildenafil (S435000) and respective analogs. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 2.5mg, 10mg. Molecular Formula: C8H9D3N2O2, Molecular Weight: 171.21. US Biological Life Sciences. | Worldwide |
| 1-Methyl-3-propyl-1H-pyrazole-5-carboxylic Acid Ethyl Ester-d3 | 1-Methyl-3-propyl-1H-pyrazole-5-carboxylic Acid Ethyl Ester-d3 is an isotope labelled intermediate in the synthesis of Sildenafil (S435000) and respective analogs. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 2.5mg, 10mg. Molecular Formula: C10H13D3N2O2, Molecular Weight: 199.26. US Biological Life Sciences. | Worldwide |
| 3-Isobutyl-7-chloro-pyrazolo[4,3-d]pyrimidine | Used in the preparation of Sildenafil Citrate impurity. Group: Biochemicals. Alternative Names: 3-Isobutyl-7-chloro-1H-pyrazolo[4,3-d]pyrimidine. Grades: Highly Purified. Pack Sizes: 10mg. US Biological Life Sciences. | Worldwide |
| 3-Isobutylpyrazolo[4,3-d]pyrimidine | Sildenafil Citrate impurity. Group: Biochemicals. Alternative Names: 3-Isobutyl-1H-pyrazolo[4,3-d]pyrimidine. Grades: Highly Purified. Pack Sizes: 5mg. US Biological Life Sciences. | Worldwide |
| 4-[(2-Ethoxybenzoyl)amino]-1-methyl-5-propyl-1H-pyrazole-3-carboxamide | Iso Sildenafil derivative. Intermediate in the preparation of Iso Sildenafil and Iso Viagra. Group: Biochemicals. Alternative Names: 4-(2-Ethoxybenzamido)-1-methyl-5-propyl-1H-pyrazole-3-carboxamide. Grades: Highly Purified. CAS No. 501120-38-3. Pack Sizes: 10mg. US Biological Life Sciences. | Worldwide |
| 5-(2-Ethoxyphenyl)-2,6-dihydro-2-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one | Iso Sildenafil derivative. Intermediate in the preparation of Iso Sildenafil and Iso Viagra. Group: Biochemicals. Grades: Highly Purified. CAS No. 501120-40-7. Pack Sizes: 5mg. US Biological Life Sciences. | Worldwide |
| Acetildenafil | Acetildenafil is a Sildenafil (HY-15025) analogue, a phosphodiesterase 5 (PDE5) inhibitor. Acetildenafil can be isolated from herbal products [1]. Uses: Scientific research. Group: Signaling pathways. CAS No. 831217-01-7. Pack Sizes: 1 mg. Product ID: HY-13927. |  |
| 5-(2-Isobutyl)-4-amino-1H-pyrazole-3-carboxylic Acid | An intermediate in the synthesis of Sildenafil citrate impurity. Group: Biochemicals. Alternative Names: 4-Amino-5-(2-methylpropyl)-1H-pyrazole-3-carboxylic Acid. Grades: Highly Purified. CAS No. 1093415-88-3. Pack Sizes: 50mg. US Biological Life Sciences. | Worldwide |
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