
Purines and Pyrimidine Derivatives
Purines have a bicyclic structure, consisting of a six-membered ring fused to a five-membered ring, both containing nitrogen atoms in key positions. Purine derivatives, such as adenine and guanine, are essential for the formation of DNA and RNA. These compounds have therapeutic applications in cancer and viral disease treatments by inhibiting cell replication. Pyrimidines, on the other hand, have a monocyclic six-membered structure with two nitrogen atoms. Their derivatives, such as cytosine, thymine, and uracil, are also essential components of DNA and RNA and are used in chemotherapy and antiviral treatments.
At CymitQuimica, we offer purine and pyrimidine derivatives for research in molecular biology, genomics, and the development of innovative therapies.
Found 8888 products of "Purines and Pyrimidine Derivatives"
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8-Hydroxy Ondansetron
CAS:Formula:C18H19N3O2Color and Shape:White To Off-White SolidMolecular weight:309.37Clopidogrel EP Impurity E (R-Isomer)
CAS:Formula:C15H15ClN2OSColor and Shape:White To Off-White SolidMolecular weight:306.81Caffeine-13C3 (Pentoxifylline EP Impurity F-13C3, Theophylline EP Impurity A-13C3, Theophylline-Ethylenediamine EP Impurity A-13C3)
CAS:Formula:C513C3H10N4O2Color and Shape:White To Off-White SolidMolecular weight:197.16Memantine-Glycine Adduct HCl
CAS:Formula:C14H23NO2·HClColor and Shape:White To Off-White SolidMolecular weight:237.34 36.46Tenofovir Impurity 29
CAS:Formula:C21H22N5O4PColor and Shape:Pale Yellow SolidMolecular weight:439.41Tenofovir Impurity 30
CAS:Formula:C15H18N5O4PColor and Shape:White To Off-White SolidMolecular weight:363.31Liothyronine EP Impurity C (Levothyroxine EP Impurity C)
CAS:Formula:C14H9I3O4Color and Shape:White To Off-White SolidMolecular weight:621.94Caffeine EP Impurity F (Caffeine USP Related Compound F, Paraxanthine)
CAS:Formula:C7H8N4O2Color and Shape:Off-White SolidMolecular weight:180.17α-Hydroxy Tetrabenazine-d7 (trans-Dihydro Tetrabenazine-d7)
CAS:Formula:C19H22D7NO3Color and Shape:White To Off-White SolidMolecular weight:326.49Prucalopride Impurity 36
CAS:Formula:C10H10ClNO4Color and Shape:White To Off-White SolidMolecular weight:243.64Hydroxy Tetrabenazine (Dihydro Tetrabenazine) (Mixture of cis and trans Isomers)
Formula:C19H29NO3Color and Shape:Pale Yellow SolidMolecular weight:319.45Lifitegrast Impurity 14
CAS:Formula:C31H28Cl2N2O7SColor and Shape:White To Off-White SolidMolecular weight:643.53L-Thyroxine (Tetraiodothyronine)
CAS:Formula:C15H11I4NO4Color and Shape:White To Off-White SolidMolecular weight:776.87rac-Clopidogrel-d3 Sulfate
CAS:Formula:C16H13D3ClNO2S·H2O4SColor and Shape:White To Off-White SolidMolecular weight:324.84 98.07Lifitegrast Impurity 15
Formula:C19H17NO6SColor and Shape:White To Off-White SolidMolecular weight:387.41Tenofovir Impurity 19
CAS:Formula:C21H29N6O5PColor and Shape:White To Off-White SolidMolecular weight:476.47Oseltamivir Impurity 26
CAS:Formula:C9H12O4Color and Shape:White To Off-White SolidMolecular weight:184.19Lifitegrast Impurity 43
Formula:C30H26Cl2N2O7SColor and Shape:White To Off-White SolidMolecular weight:629.51Prucalopride Impurity 13
CAS:Formula:C9H8ClNO3Color and Shape:White To Off-White SolidMolecular weight:213.62Thiamine EP Impurity B Bromide HBr
Formula:C11H15N4OS·Br·HBrColor and Shape:Off-White SolidMolecular weight:251.33 79.90 80.91(S)-Clopidogrel Carboxylic Acid N-Oxide
CAS:Formula:C15H14ClNO3SColor and Shape:White To Off-White SolidMolecular weight:323.79Pyridoxine EP Impurity B HCl
CAS:Formula:C8H11NO2·HClColor and Shape:White To Off-White SolidMolecular weight:153.18 36.46Zolmitriptan EP Impurity E (Zolmitriptan USP Related Compound G)
CAS:Formula:C10H12N2O2Color and Shape:Pale Brown SolidMolecular weight:192.22Rizatriptan EP Impurity A
CAS:Formula:C28H35N7Color and Shape:White To Off-White SolidMolecular weight:469.64N-Nitroso Zolmitriptan EP Impurity G (N-Nitroso Zolmitriptan USP Related Compound A, N-Nitroso N-Desmethyl Zolmitriptan)
CAS:Formula:C15H18N4O3Color and Shape:Off-White SolidMolecular weight:302.33Theophylline-Ethylenediamine EP Impurity G-d6 (Caffeine EP Impurity D-d6, Theobromine-d6)
CAS:Formula:C7H2D6N4O2Molecular weight:186.20Methotrexate EP Impurity I Sodium Salt (Methotrexate-1-Monomethyl Ester Sodium Salt)
CAS:Formula:C21H23N8O5·NaMolecular weight:467.47 22.996-Mercaptopurine-13C-15N2 (Azathioprine EP Impurity B-13C-15N2)
CAS:Formula:C413CH4N215N2SMolecular weight:155.15Deutetrabenazine Metabolite M1 Sodium Salt (Mixture of Diastereomers)
CAS:Formula:C19H20D6NO5·NaMolecular weight:354.46 22.99Tenofovir Disoproxil Dimer
CAS:Formula:C39H60N10O20P2Color and Shape:White To Off-White SolidMolecular weight:1050.91Lifitegrast Impurity 3
CAS:Formula:C36H30Cl2N2O7SColor and Shape:Pale Orange SolidMolecular weight:705.60Mono-POC Methyl Tenofovir Fumarate (Mixture of Diastereomers)
CAS:Formula:C15H24N5O7P·C4H4O4Color and Shape:White To Off-White SolidMolecular weight:417.36 116.07Tenofovir Related Compound 14
CAS:Formula:C8H11N5OColor and Shape:White To Off-White SolidMolecular weight:193.21Pyridoxine Impurity 6 DiHCl
Formula:C16H20N2O5·2HClColor and Shape:White To Off-White SolidMolecular weight:320.35 2*36.46rac-Tenofovir-d7
CAS:Formula:C9H7D7N5O4PColor and Shape:White To Off-White SolidMolecular weight:294.26Febuxostat Impurity 24
CAS:Formula:C18H21NO5SColor and Shape:White To Off-White SolidMolecular weight:363.438-Benzyl Theophylline
CAS:Formula:C14H14N4O2Color and Shape:White To Off-White SolidMolecular weight:270.293-Desmethyl Istradefylline
CAS:Formula:C19H22N4O4Color and Shape:Pale Yellow SolidMolecular weight:370.41Allopurinol EP Impurity D (Allopurinol USP Related Compound D)
CAS:Formula:C6H9N3O2Color and Shape:Pale Brown SolidMolecular weight:155.16Thiamine-d4 Chloride HCl
CAS:Formula:C12H13D4N4OS·Cl·HClColor and Shape:White To Off-White SolidMolecular weight:269.38 35.45 36.46Palonosetron USP Related Compound A (Palonosetron N-Oxide)
CAS:Formula:C19H24N2O2Color and Shape:White To Off-White SolidMolecular weight:312.41Prucalopride Impurity 25
CAS:Formula:C14H18ClN3O2Color and Shape:White To Off-White SolidMolecular weight:295.77Tenofovir Related Compound 10
CAS:Formula:C8H11N5OColor and Shape:Off-White SolidMolecular weight:193.21Clopidogrel EP Impurity B HCl (Clopidogrel USP Related Compound B (S-Isomer))
CAS:Formula:C16H16ClNO2S·HClColor and Shape:White To Off-White SolidMolecular weight:321.82 36.46Theophylline-d6 (Dimenhydrinate EP Impurity A-d6, Diprophylline EP Impurity B-d6)
CAS:Formula:C7H2D6N4O2Color and Shape:White To Off-White SolidMolecular weight:186.20Naratriptan Impurity 12 Iodide
CAS:Formula:C20H27N4O4S2·IColor and Shape:Pale Yellow SolidMolecular weight:451.58 126.91(S)-Clopidogrel N-Oxide
CAS:Formula:C16H16ClNO3SColor and Shape:Pale Yellow Semi-SolidMolecular weight:337.82Istradefylline Dimer Impurity 1 (Mixture of Diastereomers)
Formula:C40H50N8O8Color and Shape:White To Off-White SolidMolecular weight:770.89Tetrabenazine Impurity 42 (2S, 3S, 11bR)
CAS:Formula:C19H29NO3Color and Shape:Off-White SolidMolecular weight:319.45Almotriptan EP Impurity A Malate (Almotriptan USP Related Compound C Malate)
CAS:Formula:C16H23N3O2S·C4H6O5Color and Shape:Off-White SolidMolecular weight:321.44 134.09Nicotinic Acid EP Impurity F (5-Nitronicotinic Acid)
CAS:Formula:C6H4N2O4Color and Shape:Yellow SolidMolecular weight:168.114-Amino-3-Hydroxy-Pyridine
CAS:Formula:C5H6N2OColor and Shape:White To Off-White SolidMolecular weight:110.12Theophylline Impurity 19 (Mixture of Z and E Isomers)
CAS:Formula:C8H12O4Color and Shape:Colorless LiquidMolecular weight:172.18Memantine Lactose Adduct
CAS:Formula:C24H41NO10Color and Shape:Pale Brown SolidMolecular weight:503.59Pemetrexed EP Impurity D Monosodium Salt
CAS:Formula:C25H27N6O9·NaColor and Shape:Blue SolidMolecular weight:555.52 22.99Fampridine-d4 (Dalfampridine-d4, 4-Aminopyridine-d4)
CAS:Formula:C5H2D4N2Color and Shape:Off-White SolidMolecular weight:98.14Istradefylline Dimer Impurity 2
CAS:Formula:C40H48N8O8Color and Shape:White To Off-White SolidMolecular weight:768.87Zolmitriptan Impurity 8 (Mixture of Diastereomers)
Formula:C16H21N3O4Color and Shape:Pale Brown SolidMolecular weight:319.36Febuxostat Impurity 32 HCl
CAS:Formula:C12H11NO3S·HClColor and Shape:Yellow SolidMolecular weight:249.29 36.46Caffeine EP Impurity C (Caffeine USP Related Compound C, Isocaffeine)
CAS:Formula:C8H10N4O2Color and Shape:White To Off-White SolidMolecular weight:194.19
