
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 8901 products of "Purines and Pyrimidine Derivatives"
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(1R)-endo-(+)-Fenchyl alcohol, 96%
CAS:<p>(1R)-endo-(+)-Fenchyl alcohol can be extensively used in daily chemicals such as fair antiperspirant, textile softener and liquid detergent. It can also be esterified by different kinds of organic acids to expand its usage in flavors and fragrances. This Thermo Scientific Chemicals brand product was</p>Formula:C10H18OPurity:96%Color and Shape:Colorless to white to pale cream, Crystals or powder or crystalline powder or fused solid or clear liquid as meltMolecular weight:154.255-Bromo-4-hydroxy-2-methylpyrimidine
CAS:Formula:C5H5BrN2OPurity:96%Color and Shape:SolidMolecular weight:189.0121-(2-Aminopyrimidin-5-yl)ethanone
CAS:Formula:C6H7N3OPurity:98%Color and Shape:SolidMolecular weight:137.1422-Amino-1H-purin-6(7H)-one
CAS:Formula:C5H5N5OPurity:95%Color and Shape:Solid, White - Very pale reddish yellow powderMolecular weight:151.1291,3-Dimethylbarbituric acid, 99% (dry wt.), water <6%
CAS:<p>1,3-Dimethylbarbituric acid is used as a catalyst in the Knoevenagel condensation of a series of aromatic aldehydes. It is also used in the synthesis of 5-aryl-6-(alkyl- or aryl-amino)-1,3-dimethylfuro [2,3-d]pyrimidine derivatives and enantioselective synthesis of isochromene pyrimidinedione deriva</p>Formula:C6H8N2O3Purity:99%Color and Shape:White to cream or pale yellow, Crystals or powder or crystalline powderMolecular weight:156.14H-Arg-OH
CAS:<p>M03558 - H-Arg-OH</p>Formula:C6H14N4O2Purity:98%Color and Shape:Crystalline Powder,PowderMolecular weight:174.2042,4-Diamino-6-hydroxy-5-nitrosopyrimidine
CAS:Formula:C4H5N5O2Purity:97%Color and Shape:SolidMolecular weight:155.1174,6-Dimethyl-2-mercaptopyrimidine, 98% (contains <15%H2O)
CAS:Formula:C6H8N2SPurity:98%Color and Shape:Solid, Slightly pale yellow - Yellow powderMolecular weight:140.2Murexide
CAS:<p>Murexide is used as a complexometric indicator in analytical chemistry for complexometric titrations of calcium, copper nickel and cobalt. It is an inhibitor of dihydrofolate reductase. Further, it acts as an enhancer of sonochemical destruction of chlorinated hydrocarbon pollutants. This Thermo Sci</p>Formula:C8H8N6O6Color and Shape:powder, Dark red or purpleMolecular weight:284.192′-Amino-2′-deoxyuridine
CAS:Formula:C9H13N3O5Purity:97%Color and Shape:Liquid, No data available.Molecular weight:243.2191-Phenylurea
CAS:Formula:C7H8N2OPurity:98%Color and Shape:Solid, White to slightly pale yellow powderMolecular weight:136.1542-Chloro-9-methyl-7H-purin-8(9H)-one
CAS:Formula:C6H5ClN4OPurity:98%Color and Shape:SolidMolecular weight:184.58Alloxan monohydrate, 98%
CAS:<p>Cytotoxic compound that causes oxidative base damage to nuclear DNAAlloxan monohydrate is used as a precursor to prepare purple dye murexide. It is also used in research models to induce diabetes and destroy beta cells. Further, it is a strong oxidizing agent and it forms a hemiacetal with its reduc</p>Formula:C4H2N2O4•H2OPurity:98%Color and Shape:White to cream to yellow to brown to black, Crystals or powder or crystalline powderMolecular weight:160.09 (142.07anhy)Thymidine
CAS:Formula:C10H14N2O5Purity:97%Color and Shape:Solid, White powderMolecular weight:242.231Methyl 5-Bromopyrimidine-2-carboxylate
CAS:Formula:C6H5BrN2O2Purity:98%Color and Shape:SolidMolecular weight:217.022Orotic acid monohydrate
CAS:Formula:C5H6N2O5Purity:95%Color and Shape:Solid, White powderMolecular weight:174.112Fmoc-L-Arg(Pbf)-OH
CAS:<p>M03398 - Fmoc-L-Arg(Pbf)-OH</p>Formula:C34H40N4O7SPurity:96 %Color and Shape:Crystalline PowderMolecular weight:648.78(S)-8-(3-Aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione (Linagliptin Impurity)
CAS:Purity:97%Color and Shape:SolidMolecular weight:472.5532-Chloro-4-ethoxy-6-methyl-pyrimidine
CAS:Formula:C7H9ClN2OPurity:98%Color and Shape:SolidMolecular weight:172.612-Methoxy-pyrimidine-5-carbaldehyde
CAS:Formula:C6H6N2O2Purity:98%Color and Shape:Solid, Beige powderMolecular weight:138.1264-Chloro-2-(methylthio)-5-nitropyrimidine
CAS:Purity:98%Color and Shape:SolidMolecular weight:205.61999515-METHOXY-4-METHYLPYRIMIDIN-2-AMINE
CAS:Formula:C6H9N3OPurity:95%Color and Shape:SolidMolecular weight:139.1581-((3AR,4R,6R,6aR)-6-(hydroxymethyl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)pyrimidine-2,4(1H,3H)-dione
CAS:Formula:C12H16N2O6Purity:98%Molecular weight:284.268Theobromine
CAS:Theobromine analytical standard provided with chromatographic purity, to be used as reference material for qualitative determination.Formula:C7H8N4O2Purity:(HPLC) ≥95%Color and Shape:PowderMolecular weight:180.17Caffeine
CAS:Caffeine analytical standard provided with chromatographic purity, to be used as reference material for qualitative determination.Formula:C8H10N4O2Purity:(HPLC) ≥95%Color and Shape:PowderMolecular weight:194.21,3-dimethylurea
CAS:Purity:98.0%Color and Shape:Solid, White to almost white crystalline powderMolecular weight:88.11000061035156Urea, mole-ready, A.C.S. reagent grade
CAS:<p>M02656 - Urea, mole-ready, A.C.S. reagent grade</p>Formula:CH4N2OPurity:>99%Color and Shape:SolidMolecular weight:60.0559997558593754,6-Dimethoxy-2-[phenyl(piperazin-1-yl)methyl]pyrimidine
CAS:Purity:95.0%Color and Shape:SolidMolecular weight:314.3890075683594Sodium ((2R,3S,4R,5R)-5-(6-amino-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl phosphate
CAS:Purity:95.0%Color and Shape:SolidMolecular weight:391.18701171875(S)-Methyl-L-thiocitrulline.Dihydrochloride
CAS:<p>M02076 - (S)-Methyl-L-thiocitrulline.Dihydrochloride</p>Formula:C7H17Cl2N3O2SPurity:>98%Molecular weight:278.194-(4-Pyrimidin-4-yl-1H-pyrazol-1-yl)benzoic acid
CAS:Purity:95.0%Color and Shape:SolidMolecular weight:266.260009765625Orphenadrine Citrate
CAS:Aromatic drugs of amino-alcohols, other than those contg more than one kind of oxygen function, their ethers and esters; salts thereof, nesoiFormula:C18H23NO·C6H8O7Color and Shape:White Crystalline PowderMolecular weight:269.17796Caffeine Related Compound F (1,7-Dimethyl-3,7-dihydro-1H-purine-2,6-dione)
CAS:Compounds containing a pyrimidine ring, whether or not hydrogenated, or piperazine ring in the structure, nesoiFormula:C7H8N4O2Color and Shape:White Fine PowderMolecular weight:180.06473Pemetrexed Acid N-Hydroxysuccinimide Ester (2,5-dioxopyrrolidin-1-yl 4-(2-(2-amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoate)
CAS:Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, nesoiFormula:C19H17N5O5Color and Shape:White Off-White SolidMolecular weight:395.12297Pemetrexed Disodium Enantiomer ((2R)-2-[[4-[2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]amino]pentanedioic acid, sodium salt)
CAS:Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, nesoiFormula:C20H19N5O6NaColor and Shape:Pale Green SolidMolecular weight:576.5Theophylline
CAS:Theophylline and aminophylline (excluding fenetylline) and their derivatives, salts thereof, not elsewhere specified or includedFormula:C7H8N4O2Color and Shape:White PowderMolecular weight:180.17 g/molOndansetron Related Compound A (3-[(Dimethylamino)methyl]-9-methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one hydrochloride)
CAS:Drugs with nitrogen hetero-atom(s) only, aromatic or modified aromatic, nesoiFormula:C16H20N2O·HClColor and Shape:White SolidMolecular weight:256.15756Caffeine
CAS:Caffeine and its saltsFormula:C8H10N4O2Color and Shape:White Crystalline Powder NeedlesMolecular weight:194.08038Methylbenzhydrol (2-Methylbenzhydrol)
CAS:Aromatic alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives, nesoiFormula:C14H14OColor and Shape:White PowderMolecular weight:198.10447Imidazole (1H-Imidazole)
CAS:Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure nesoiFormula:C3H4N2Color and Shape:White Light Yellow Crystalline PowderMolecular weight:68.03745Acetaminophen
CAS:Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereofFormula:C8H9NO2Color and Shape:White PowderMolecular weight:151.06333Aspirin
CAS:Ortho-acetylsalicylic acid (aspirin), its salts and estersFormula:C9H8O4Color and Shape:White Colorless SolidMolecular weight:180.04226Febuxostat Related Compound C (Ethyl 2-(3-cyano-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate)
CAS:Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structureFormula:C14H12N2O3SColor and Shape:Off-White Fine PowderMolecular weight:288.05686Ondansetron Related Compound C (9-Methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one)
CAS:Heterocyclic compounds with nitrogen hetero-atom(s) only, aromatic or modified aromatic, nesoiFormula:C13H13NOColor and Shape:White Powder ClumpyMolecular weight:199.09971Ondansetron Related Compound D (1,2,3,9-Tetrahydro-9-methyl-3-methylene-4H-carbazol-4-one)
CAS:Aromatic or modified aromatic heterocyclic compounds withnitrogen hetero-atom(s) only nesoiFormula:C14H13NOColor and Shape:White Off-White PowderMolecular weight:211.09971Pemetrexed Acid (4-(2-(2-amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoic acid)
CAS:Compounds containing a pyrimidine ring, whether or not hydrogenated, or piperazine ring in the structure, nesoiFormula:C15H14N4O3Color and Shape:Off-White SolidMolecular weight:298.10659Pemetrexed Dimethyl Ester (dimethyl (4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoyl)-L-glutamate)
CAS:Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, nesoiFormula:C22H25N5O6Color and Shape:Off-White SolidMolecular weight:455.18048Febuxostat
CAS:Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structureFormula:C16H16N2O3SColor and Shape:White Off-White PowderMolecular weight:316.08816Febuxostat Related Compound D (2-[4-(sec-Butoxy)-3-cyanophenyl]-4-methylthiazole-5-carboxylic acid)
CAS:Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structureFormula:C16H16N2O3SColor and Shape:Off-White Fine PowderMolecular weight:316.08816Ondansetron Resolution Mixture
Diagnostic or lab reagents on a backing, prepared diagnostic or lab reagents whether or not on a backing, whether or not in the form of kits, nesoiColor and Shape:Off-White White PowderCaffeine Related Compound C (1,3,9-Trimethyl-3,9-dihydro-1H-purine-2,6-dione)
CAS:Compounds containing a pyrimidine ring, whether or not hydrogenated, or piperazine ring in the structure, nesoiFormula:C8H10N4O2Color and Shape:White Fine PowderMolecular weight:194.08038Ondansetron Hydrochloride
CAS:Compounds containing an unfused imidazole ring, whether or not hydrogenated, in the structure, nesoiFormula:C18H19N3O·HCl·2H2OColor and Shape:White Off-White PowderMolecular weight:293.15281Pemetrexed Sodium 1-Methyl Ester ((S)-4-(4-(2-(2-amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)-5-methoxy-5-oxopentanoic acid, sodium salt)
CAS:Compounds containing a pyrimidine ring, whether or not hydrogenated, or piperazine ring in the structure, nesoiFormula:C21H22N5O6·NaColor and Shape:White Off-White SolidMolecular weight:440.15701Allopurinol Related Compound E (Ethyl 5-(formylamino)-1H-pyrazole-4-carboxylate)
CAS:Compounds containing an unfused pyrazole ring, whether or not hydrogenated, in the structure, nesoiFormula:C7H9N3O3Color and Shape:White Off-White PowderMolecular weight:183.06439Allopurinol Related Compound D (Ethyl 5-amino-1H-pyrazole-4-carboxylate)
CAS:Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure nesoiFormula:C6H9N3O2Color and Shape:White Light Yellow Crystalline PowderMolecular weight:155.06948Ondansetron
CAS:Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure nesoiFormula:C18H19N3OColor and Shape:White Off-White PowderMolecular weight:293.15281Clopidogrel Related Compound C (methyl (-)-(R)-(o-chlorophenyl)-6,7-dihydrothieno[3,2-c]pyridine-5(4H)-acetate, hydrogen sulfate)
CAS:Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoiFormula:C16H16ClNO2S·H2SO4Color and Shape:White PowderMolecular weight:321.05903Tetrahydrothienopyridine Hydrochloride (4,5,6,7-Tetrahydrothieno[3,2-c]pyridine, hydrochloride)
CAS:Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoiFormula:C7H9NS·HClColor and Shape:Off-White SolidMolecular weight:139.04557Clopidogrel Thienopyridinium Chloride (5-(1-(2-chlorophenyl)-2-methoxy-2-oxoethyl)thieno[3,2-c]pyridin-5-ium, chloride)
CAS:Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoiFormula:C16H13ClNO2S·ClColor and Shape:Off-White SolidMolecular weight:318.03555Clopidogrel Diester Enantiomer Sulfate ((S)-1-(2-chlorophenyl)-2-methoxy-2-oxoethyl (R)-2-(2-chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetate, sulfate)
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoiFormula:C24H21Cl2NO4S·H2SO4Color and Shape:White Off-White SolidMolecular weight:489.05683Methyl 2-chloro-β-D-phenylalanine (methyl (R)-2-amino-2-(2-chlorophenyl)acetate, hydrochloride)
CAS:Aromatic amino-acids and their esters, other than those containing more than one kind of oxygen function, nesoiFormula:C9H10ClNO2·HClColor and Shape:White Off-White SolidMolecular weight:235.01668Clopidogrel Ethyl Ester Sulfate (ethyl (S)-2-(2-chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetate, sulfate)
CAS:Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoiFormula:C17H18ClNO2S·H2O4SColor and Shape:White Off-White SolidMolecular weight:335.07468Clopidogrel Acid N-Oxide (5-((S)-carboxy(2-chlorophenyl)methyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine 5-oxide)
CAS:Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoiFormula:C15H14ClNO3SColor and Shape:White Off-White SolidMolecular weight:323.03829Clopidogrel Open Ring Hydrochloride (methyl (S)-2-(2-chlorophenyl)-2-((2-(thiophen-2-yl)ethyl)amino) acetate, hydrochloride)
CAS:Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoiFormula:C15H16ClNO2S·HClColor and Shape:White Off-White SolidMolecular weight:345.035712-Oxo Clopidogrel (Mixture of Diastereomers) (methyl 2-(2-chlorophenyl)-2-(2-oxo-2,6,7,7a-tetrahydrothieno[3,2-c]pyridin-5(4H)-yl)acetate)
CAS:Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoiFormula:C16H16ClNO3SColor and Shape:Off-White SolidMolecular weight:337.053942-Oxo R-Clopidogrel (methyl (2R)-2-(2-chlorophenyl)-2-(2-oxo-2,6,7,7a-tetrahydrothieno[3,2-c]pyridin-5(4H)-yl)acetate)
CAS:Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoiFormula:C16H16ClNO3SColor and Shape:White Off-White SolidMolecular weight:337.05394Clopidogrel Bisulfate
CAS:Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoiFormula:C16H16ClNO2S·H2SO4Color and Shape:White Off-White PowderMolecular weight:321.05903Allopurinol Related Compound B (5-(formylamino)-1H-pyrazole-4-carboxamide)
CAS:Compounds containing an unfused pyrazole ring, whether or not hydrogenated, in the structure, nesoiFormula:C5H6N4O2Color and Shape:White PowderMolecular weight:154.04908(R)-Clopidogrel Carboxylic Acid ((R)-2-(2-chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetic acid)
CAS:Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoiFormula:C15H14ClNO2SColor and Shape:Off-White SolidMolecular weight:307.04338Clopidogrel N-Oxide (5-((S)-1-(2-chlorophenyl)-2-methoxy-2-oxoethyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine 5-oxide)
CAS:Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoiFormula:C16H16ClNO3SColor and Shape:Pale Yellow SolidMolecular weight:337.05394Allopurinol
CAS:Drugs containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structureFormula:C5H4N4OColor and Shape:White PowderMolecular weight:136.03851Allopurinol Related Compound C (5-(4H-1,2,4-triazol-4-yl)-1H-pyrazole-4-carboxamide)
CAS:Compounds containing an unfused pyrazole ring, whether or not hydrogenated, in the structure, nesoiFormula:C6H6N6OColor and Shape:White Off-White Crystalline PowderMolecular weight:178.06031Triacetin
CAS:Esters of acetic acid not elsewhere specified or includedFormula:C9H14O6Color and Shape:Colorless Oily LiquidMolecular weight:218.21





