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Sildenafil citrate Sildenafil citrate is a potent phosphodiesterase type 5 ( PDE5 ) inhibitor with IC 50 of 5.22 nM. Uses: Scientific research. Group: Signaling pathways. Alternative Names: UK-92480 citrate. CAS No. 171599-83-0. Pack Sizes: 10 mM * 1 mL; 50 mg; 100 mg; 200 mg; 500 mg. Product ID: HY-15025A. MedChemExpress MCE
Sildenafil Citrate An orally active selective type 5 cGMP phosphodiesterase inhibitor. Group: Biochemicals. Alternative Names: 1-[[3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3- d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]-4-methylpiperazine citrate 1-[4-Ethoxy-3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3- d]pyrimidin-5-yl)phenylsulfonyl]-4-methylpiperazine citrate. Grades: Highly Purified. CAS No. 171599-83-0. Pack Sizes: 50mg, 100mg, 250mg, 500mg, 1g, 5g. Molecular Formula: C28H38N6O11S, Molecular Weight: 666.71. US Biological Life Sciences. USBiological 1
Worldwide
Sildenafil Citrate USP Sildenafil Citrate USP. Pharma Resources International LLC
CA, FL & NJ
Sildenafil Coupled Cas No. 139756-03-9. BOC Sciences 7
Sildenafil-d3 (1-[[3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]-4-methylpiperazine-d3) Labeled Sildenafil, an orally active selective type 5 cGMP phosphodiesterase inhibitor. Group: Biochemicals. Alternative Names: 1-[[3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]-4-methylpiperazine-d3. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences. USBiological 1
Worldwide
Sildenafil Derivative 1 Sildenafil Derivative 1. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C19H22N4O4. Mole Weight: 370.41. Catalog: APB09679. Alfa Chemistry Analytical Products 4
Sildenafil Derivative 2 Sildenafil Derivative 2. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C29H34N6O3. Mole Weight: 514.63. Catalog: APB09680. Alfa Chemistry Analytical Products 4
Sildenafil Derivative 3 Sildenafil Derivative 3. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C22H28N6O2S. Mole Weight: 440.57. Catalog: APB09681. Alfa Chemistry Analytical Products 4
Sildenafil Derivative 4 Sildenafil Derivative 4. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C22H28N6O2S. Mole Weight: 440.57. Catalog: APB09684. Alfa Chemistry Analytical Products 4
Sildenafil Derivative 5 Sildenafil Derivative 5. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C18H20N4O3S. Mole Weight: 372.44. Catalog: APB09683. Alfa Chemistry Analytical Products 4
Sildenafil Derivative 6 Sildenafil Derivative 6. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C23H30N6O2S. Mole Weight: 454.59. Catalog: APB09682. Alfa Chemistry Analytical Products 4
Sildenafil Derivative 8 Sildenafil Derivative 8. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1786437-29-3. Molecular Formula: C23H30N6O2S. Mole Weight: 454.59. Catalog: APB1786437293. Alfa Chemistry Analytical Products
Sildenafil Dimer Impurity Cas No. 1346602-67-2. BOC Sciences 7
Sildenafil Dimer Impurity A dimeric impurity of Sildenafil. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 10mg. US Biological Life Sciences. USBiological 2
Worldwide
Sildenafil EP Impurity E Cas No. 288-32-4. BOC Sciences 6
Sildenafil HCl Cas No. 252920-86-8. BOC Sciences
Sildenafil Impurity 1 Sildenafil Impurity 1. Uses: For analytical and research use. Group: Impurity standards. CAS No. 42926-52-3. Molecular Formula: C9H9ClO2. Mole Weight: 184.62. Catalog: APB42926523. Alfa Chemistry Analytical Products 2
Sildenafil Impurity 1 Cas No. 845302-49-0. BOC Sciences 7
Sildenafil Impurity 100 Sildenafil Impurity 100. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C22H29N5O4S. Mole Weight: 459.57. Catalog: APB09686. Alfa Chemistry Analytical Products 4
Sildenafil Impurity 101 Sildenafil Impurity 101. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C24H34ClN5O6S. Mole Weight: 556.08. Catalog: APB09687. Alfa Chemistry Analytical Products 4
Sildenafil Impurity 102 Sildenafil Impurity 102. Uses: For analytical and research use. Group: Impurity standards. CAS No. 139756-30-2. Molecular Formula: C16H18N4O2. Mole Weight: 298.35. Catalog: APB139756302. Alfa Chemistry Analytical Products
Sildenafil Impurity 103 Sildenafil Impurity 103. Uses: For analytical and research use. Group: Impurity standards. CAS No. 173352-21-1. Molecular Formula: C15H21N3O2S. Mole Weight: 307.41. Catalog: APB173352211. Alfa Chemistry Analytical Products
Sildenafil Impurity 11 Sildenafil Impurity 11. Uses: For analytical and research use. Group: Impurity standards. CAS No. 62871-12-9. Molecular Formula: C9H9ClO3. Mole Weight: 200.62. Catalog: APB62871129. Alfa Chemistry Analytical Products 2
Sildenafil Impurity 13 Sildenafil Impurity 13. Uses: For analytical and research use. Group: Impurity standards. CAS No. 76424-56-1. Molecular Formula: C7H12N4O. Mole Weight: 168.2. Catalog: APB76424561. Alfa Chemistry Analytical Products 3
Sildenafil Impurity 14 BOC Sciences 7
Sildenafil Impurity 15 Sildenafil Impurity 15. Uses: For analytical and research use. Group: Impurity standards. CAS No. 139756-00-6. Molecular Formula: C8H11N3O4. Mole Weight: 213.19. Catalog: APB139756006. Alfa Chemistry Analytical Products
Sildenafil Impurity 151 Sildenafil Impurity 151. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1441-87-8. Molecular Formula: C7H5ClO2. Mole Weight: 156.57. Catalog: APB1441878. Alfa Chemistry Analytical Products
Sildenafil Impurity 152 Sildenafil Impurity 152. Uses: For analytical and research use. Group: Impurity standards. CAS No. 792969-85-8. Molecular Formula: C8H12N4O3. Mole Weight: 212.21. Catalog: APB792969858. Alfa Chemistry Analytical Products 3
Sildenafil Impurity 15 (Isomer of Isobutyl Sildenafil) BOC Sciences
Sildenafil Impurity 16 Sildenafil Impurity 16. Uses: For analytical and research use. Group: Impurity standards. CAS No. 139756-01-7. Molecular Formula: C8H12N4O3. Mole Weight: 212.21. Catalog: APB139756017. Alfa Chemistry Analytical Products
Sildenafil Impurity 17 Sildenafil Impurity 17. Uses: For analytical and research use. Group: Impurity standards. CAS No. 398507-63-6. Molecular Formula: C26H36N6O6S. Mole Weight: 560.67. Catalog: APB398507636. Alfa Chemistry Analytical Products 3
Sildenafil Impurity 18 Sildenafil Impurity 18. Uses: For analytical and research use. Group: Impurity standards. CAS No. 2196244-90-1. Molecular Formula: C25H34N6OS2. Mole Weight: 498.71. Catalog: APB2196244901. Alfa Chemistry Analytical Products 2
Sildenafil Impurity ((1-methyl-4-Nitro -3-n-propyl pyrazole-5- carboxylic acid) Cas No. 139756-00-6. BOC Sciences 7
Sildenafil Impurity 2 Cas No. 332374-42-2. BOC Sciences 7
Sildenafil Impurity 2 Sildenafil Impurity 2. Uses: For analytical and research use. Group: Impurity standards. CAS No. 3686-55-3. Molecular Formula: C10H12O3. Mole Weight: 180.2. Catalog: APB3686553. Alfa Chemistry Analytical Products 2
Sildenafil Impurity 21 Sildenafil Impurity 21. Uses: For analytical and research use. Group: Impurity standards. CAS No. 269394-18-5. Molecular Formula: C15H18N4O3. Mole Weight: 302.33. Catalog: APB269394185. Alfa Chemistry Analytical Products 2
Sildenafil Impurity 22 Sildenafil Impurity 22. Uses: For analytical and research use. Group: Impurity standards. CAS No. 139756-26-6. Molecular Formula: C15H16N4O2. Mole Weight: 284.32. Catalog: APB139756266. Alfa Chemistry Analytical Products
Sildenafil Impurity 23 Sildenafil Impurity 23. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1797861-66-5. Molecular Formula: C17H21N3O4. Mole Weight: 331.37. Catalog: APB1797861665. Alfa Chemistry Analytical Products 2
Sildenafil Impurity 25 Sildenafil Impurity 25. Uses: For analytical and research use. Group: Impurity standards. CAS No. 2021224-02-0. Molecular Formula: C9H10O6S. Mole Weight: 246.23. Catalog: APB2021224020. Alfa Chemistry Analytical Products 2
Sildenafil Impurity 28 Sildenafil Impurity 28. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1425504-78-4. Molecular Formula: C25H36N6O4S. Mole Weight: 516.66. Catalog: APB1425504784. Alfa Chemistry Analytical Products
Sildenafil Impurity 29 Sildenafil Impurity 29. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1467610-65-6. Molecular Formula: C18H22N4O2. Mole Weight: 326.4. Catalog: APB1467610656. Alfa Chemistry Analytical Products 2
Sildenafil Impurity 3 Sildenafil Impurity 3. Uses: For analytical and research use. Group: Impurity standards. CAS No. 139756-02-8. Molecular Formula: C8H14N4O. Mole Weight: 182.23. Catalog: APB139756028. Alfa Chemistry Analytical Products
Sildenafil Impurity 3 Cas No. 332374-45-5. BOC Sciences 7
Sildenafil Impurity 32 Sildenafil Impurity 32. Uses: For analytical and research use. Group: Impurity standards. CAS No. 2146091-79-2. Molecular Formula: C24H32N6OS2. Mole Weight: 484.68. Catalog: APB2146091792. Alfa Chemistry Analytical Products 2
Sildenafil Impurity 33 Sildenafil Impurity 33. Uses: For analytical and research use. Group: Impurity standards. CAS No. 247584-10-7. Molecular Formula: C8H15ClN4O. Mole Weight: 218.69. Catalog: APB247584107. Alfa Chemistry Analytical Products 2
Sildenafil Impurity 34 Sildenafil Impurity 34. Uses: For analytical and research use. Group: Impurity standards. CAS No. 332374-42-2. Molecular Formula: C14H20N2O4S. Mole Weight: 312.38. Catalog: APB332374422. Alfa Chemistry Analytical Products 3
Sildenafil Impurity 4 Cas No. 253178-46-0. BOC Sciences 7
Sildenafil Impurity 44 Sildenafil Impurity 44. Uses: For analytical and research use. Group: Impurity standards. CAS No. 369-57-3. Molecular Formula: C6H5BF4N2. Mole Weight: 191.92. Catalog: APB369573. Alfa Chemistry Analytical Products 2
Sildenafil Impurity 45 Sildenafil Impurity 45. Uses: For analytical and research use. Group: Impurity standards. CAS No. 402-48-2. Molecular Formula: C6H6BF4N3O2S. Mole Weight: 271. Catalog: APB402482. Alfa Chemistry Analytical Products 3
Sildenafil Impurity 47 Sildenafil Impurity 47. Uses: For analytical and research use. Group: Impurity standards. CAS No. 383427-88-1. Molecular Formula: C8H13N3O2. Mole Weight: 183.21. Catalog: APB383427881. Alfa Chemistry Analytical Products 2
Sildenafil Impurity 5 Cas No. 732307-70-9. BOC Sciences 7
Sildenafil Impurity 50 Sildenafil Impurity 50. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1093065-15-6. Molecular Formula: C24H34N6O4S. Mole Weight: 502.63. Catalog: APB1093065156. Alfa Chemistry Analytical Products
Sildenafil Impurity 51 Sildenafil Impurity 51. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1363693-47-3. Molecular Formula: C24H34N6O4S. Mole Weight: 502.63. Catalog: APB1363693473. Alfa Chemistry Analytical Products
Sildenafil Impurity 57 Sildenafil Impurity 57. Uses: For analytical and research use. Group: Impurity standards. CAS No. 139755-99-0. Molecular Formula: C8H12N2O2. Mole Weight: 168.2. Catalog: APB139755990. Alfa Chemistry Analytical Products
Sildenafil Impurity 6 Sildenafil Impurity 6. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonamide. Molecular Formula: C17H21N5O4S. Mole Weight: 391.44. Catalog: APB01750. Alfa Chemistry Analytical Products 4
Sildenafil Impurity 6 Sildenafil Impurity 6. Uses: For analytical and research use. Group: Impurity standards. CAS No. 501120-42-9. Molecular Formula: C17H19ClN4O4S. Mole Weight: 410.87. Catalog: APB501120429. Alfa Chemistry Analytical Products 2
Sildenafil Impurity 6 BOC Sciences 7
Sildenafil Impurity 65 Sildenafil Impurity 65. Uses: For analytical and research use. Group: Impurity standards. CAS No. 2640792-65-8. Molecular Formula: C20H26N4O5S. Mole Weight: 434.51. Catalog: APB2640792658. Alfa Chemistry Analytical Products 2
Sildenafil Impurity 67 Sildenafil Impurity 67. Uses: For analytical and research use. Group: Impurity standards. CAS No. 358388-58-6. Molecular Formula: C19H21BrN4O3. Mole Weight: 433.31. Catalog: APB358388586. Alfa Chemistry Analytical Products 2
Sildenafil Impurity 7 Sildenafil Impurity 7. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 5-(2-hydroxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one. Molecular Formula: C15H16N4O2. Mole Weight: 284.31. Catalog: APB01747. Alfa Chemistry Analytical Products 4
Sildenafil Impurity 70 Sildenafil Impurity 70. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1621873-33-3. Molecular Formula: C25H36N6O4S. Mole Weight: 516.66. Catalog: APB1621873333. Alfa Chemistry Analytical Products 2
Sildenafil Impurity 72 (Acetildenafil Impurity 3) Sildenafil Impurity 72 (Acetildenafil Impurity 3). Uses: For analytical and research use. Group: Impurity standards. CAS No. 1246820-46-1. Molecular Formula: C28H38N6O5. Mole Weight: 538.65. Catalog: APB1246820461. Alfa Chemistry Analytical Products
Sildenafil Impurity 76 Sildenafil Impurity 76. Uses: For analytical and research use. Group: Impurity standards. CAS No. 147676-64-0. Molecular Formula: C25H34N6O3. Mole Weight: 466.59. Catalog: APB147676640. Alfa Chemistry Analytical Products 2
Sildenafil Impurity 8 Sildenafil Impurity 8. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 5-(2-ethoxy-5-(methylsulfonyl)phenyl)-3-propyl-6,7a-dihydro-1H-pyrazolo[4,3-d]pyrimidin-7(2H)-one. Molecular Formula: C17H22N4O4S. Mole Weight: 378.45. Catalog: APB01748. Alfa Chemistry Analytical Products 4
Sildenafil Impurity 8 Sildenafil Impurity 8. Uses: For analytical and research use. Group: Impurity standards. CAS No. 139756-27-7. Molecular Formula: C15H15ClN4O4S. Mole Weight: 382.82. Catalog: APB139756277. Alfa Chemistry Analytical Products
Sildenafil Impurity 80 Sildenafil Impurity 80. Uses: For analytical and research use. Group: Impurity standards. CAS No. 200575-15-1. Molecular Formula: C22H32N6O5S. Mole Weight: 492.59. Catalog: APB200575151. Alfa Chemistry Analytical Products 2
Sildenafil Impurity 84 Sildenafil Impurity 84. Uses: For analytical and research use. Group: Impurity standards. CAS No. 845302-49-0. Molecular Formula: C17H22N4O2. Mole Weight: 314.38. Catalog: APB845302490. Alfa Chemistry Analytical Products 3
Sildenafil Impurity 87 Sildenafil Impurity 87. Uses: For analytical and research use. Group: Impurity standards. CAS No. 501120-38-3. Molecular Formula: C17H22N4O3. Mole Weight: 330.38. Catalog: APB501120383. Alfa Chemistry Analytical Products 2
Sildenafil Impurity 9 Sildenafil Impurity 9. Uses: For analytical and research use. Group: Impurity standards. CAS No. 139756-31-3. Molecular Formula: C16H17ClN4O4S. Mole Weight: 396.85. Catalog: APB139756313. Alfa Chemistry Analytical Products
Sildenafil Impurity 9 Sildenafil Impurity 9. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 5-(2-ethoxy-5-((4-(2-hydroxyethyl)piperazin-1-yl)sulfonyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one. Molecular Formula: C23H32N6O5S. Mole Weight: 504.6. Catalog: APB01749. Alfa Chemistry Analytical Products 4

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