
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 8907 products of "Purines and Pyrimidine Derivatives"
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1-Phenylurea
CAS:Formula:C7H8N2OPurity:98%Color and Shape:Solid, White to slightly pale yellow powderMolecular weight:136.154(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:472.5535-METHOXY-4-METHYLPYRIMIDIN-2-AMINE
CAS:Formula:C6H9N3OPurity:95%Color and Shape:SolidMolecular weight:139.1582-Chloro-4-ethoxy-6-methyl-pyrimidine
CAS:Formula:C7H9ClN2OPurity:98%Color and Shape:SolidMolecular weight:172.612-Chloro-9-methyl-7H-purin-8(9H)-one
CAS:Formula:C6H5ClN4OPurity:98%Color and Shape:SolidMolecular weight:184.58Alloxan monohydrate, 98%
CAS: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
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)1-(2-Aminopyrimidin-5-yl)ethanone
CAS:Formula:C6H7N3OPurity:98%Color and Shape:SolidMolecular weight:137.142Murexide
CAS: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 SciFormula:C8H8N6O6Color and Shape:powder, Dark red or purpleMolecular weight:284.19Fmoc-L-Arg(Pbf)-OH
CAS:M03398 - Fmoc-L-Arg(Pbf)-OH
Formula:C34H40N4O7SPurity:96 %Color and Shape:Crystalline PowderMolecular weight:648.785-Bromo-4-hydroxy-2-methylpyrimidine
CAS:Formula:C5H5BrN2OPurity:96%Color and Shape:SolidMolecular weight:189.0121,3-Dimethylbarbituric acid, 99% (dry wt.), water <6%
CAS: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
Formula:C6H8N2O3Purity:99%Color and Shape:White to cream or pale yellow, Crystals or powder or crystalline powderMolecular weight:156.14H-Arg-OH
CAS:M03558 - H-Arg-OH
Formula:C6H14N4O2Purity:98%Color and Shape:Crystalline Powder,PowderMolecular weight:174.2044-Chloro-2-(methylthio)-5-nitropyrimidine
CAS:Purity:98%Color and Shape:SolidMolecular weight:205.61999512,4-Diamino-6-hydroxy-5-nitrosopyrimidine
CAS:Formula:C4H5N5O2Purity:97%Color and Shape:SolidMolecular weight:155.1172′-Amino-2′-deoxyuridine
CAS:Formula:C9H13N3O5Purity:97%Color and Shape:Liquid, No data available.Molecular weight:243.2192-Methoxy-pyrimidine-5-carbaldehyde
CAS:Formula:C6H6N2O2Purity:98%Color and Shape:Solid, Beige powderMolecular weight:138.126Orotic acid monohydrate
CAS:Formula:C5H6N2O5Purity:95%Color and Shape:Solid, White powderMolecular weight:174.112Methyl 5-Bromopyrimidine-2-carboxylate
CAS:Formula:C6H5BrN2O2Purity:98%Color and Shape:SolidMolecular weight:217.022Thymidine
CAS:Formula:C10H14N2O5Purity:97%Color and Shape:Solid, White powderMolecular weight:242.2311-((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:284.2684,6-Dimethyl-2-mercaptopyrimidine, 98% (contains <15%H2O)
CAS:Formula:C6H8N2SPurity:98%Color and Shape:Solid, Slightly pale yellow - Yellow powderMolecular weight:140.22-Amino-1H-purin-6(7H)-one
CAS:Formula:C5H5N5OPurity:95%Color and Shape:Solid, White - Very pale reddish yellow powderMolecular weight:151.129(1R)-endo-(+)-Fenchyl alcohol, 96%
CAS:(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 wasFormula: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:154.25Theobromine
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:194.2Urea, mole-ready, A.C.S. reagent grade
CAS:M02656 - Urea, mole-ready, A.C.S. reagent grade
Formula:CH4N2OPurity:>99%Color and Shape:SolidMolecular weight:60.055999755859375(S)-Methyl-L-thiocitrulline.Dihydrochloride
CAS:M02076 - (S)-Methyl-L-thiocitrulline.Dihydrochloride
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:266.2600097656254,6-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:391.18701171875Clopidogrel 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:321.05903Febuxostat Related Compound E (2-(3-Cyano-4-propoxyphenyl)-4-methylthiazole-5-carboxylic acid)
CAS:Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structureFormula:C15H14N2O3SColor and Shape:White Fine PowderMolecular weight:302.07251Pemetrexed Glutamide Trisodium Salt (((S)-4-(4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)-4-carboxybutanoyl)-L-glutamic acid, sodium salt)
CAS:Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, nesoiFormula:C25H28N6O9·3NaColor and Shape:Off-White SolidMolecular weight:556.19178Caffeine Related Compound D (3,7-Dimethyl-3,7-dihydro-1H-purine-2,6-dione)
CAS:Vegetable alkaloids, natural or reproduced by synthesis, their salts and other derivatives, nesoiFormula:C7H8N4O2Color and Shape:White Crystalline PowderMolecular weight:180.06473Clopidogrel 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:323.03829Allopurinol
CAS:Drugs containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structureFormula:C5H4N4OColor and Shape:White PowderMolecular weight:136.03851Febuxostat 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:288.05686Caffeine 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:180.06473Clopidogrel Amide ((S)-2-(2-chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetamide)
CAS:Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoiFormula:C15H15ClN2OSColor and Shape:White Off-White SolidMolecular weight:306.05936Acetaminophen
CAS:Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereofFormula:C8H9NO2Color and Shape:White PowderMolecular weight:151.06333Pemetrexed 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:576.5Caffeine
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:198.10447Pemetrexed 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 Sodium 5-Methyl Ester ((S)-2-(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:Pale Yellow SolidMolecular weight:440.15701Clopidogrel Open Ring R-enantiomer (methyl (R)-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:309.05903Allopurinol 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:178.06031Clopidogrel Related Compound B (Methyl(+/-)-(o-chlorophenyl)-4,5-dihydrothieno[2,3-c]pyridine-6(7H)-acetate, hydrochloride)
CAS:Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoiFormula:C16H17Cl2NO2SColor and Shape:White Off-White PowderMolecular weight:357.03571Clopidogrel Piperidinylidene Analog ((E)-2-(1-(1-(2-chlorophenyl)-2-methoxy-2-oxoethyl)-4-((2-(3-methoxyphenyl)-2-oxoethyl)thio)piperidin-3-ylidene)acetic acid)
Compounds containing an unfused pyridine ring in the structure, nesoiFormula:C25H26ClNO6SColor and Shape:Pale Yellow SolidMolecular weight:503.11694Pemetrexed Disodium (Disodium N-{p-[2-(2-amino-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl}-l-glutamate heptahydrate)
CAS:Drugs containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structureFormula:C20H19N5Na2O6·7H2OColor and Shape:White PowderMolecular weight:597.18702Ondansetron Related Compound G (3-[(1H-Imidazol-1-yl)methyl]-9-methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one)
CAS:Compounds containing an unfused imidazole ring, whether or not hydrogenated, in the structure, nesoiFormula:C17H17N3OColor and Shape:White PowderMolecular weight:279.13716Allopurinol 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:154.13Clopidogrel Related Compound A ((+)-(S)-(o-chlorophenyl)-6,7-dihydrothieno[3,2-c]pyridine-5(4H)-acetic acid, hydrochloride)
CAS:Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoiFormula:C15H14ClNO2S·HClColor and Shape:Off-White PowderMolecular weight:307.04338Pemetrexed Tromethamide (N2-(4-(2-(2-amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoyl)-N5-(1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl)-L-glutamine)
Compounds containing a pyrimidine ring, whether or not hydrogenated, or piperazine ring in the structure, nesoiFormula:C24H30N6O8Color and Shape:Off-White SolidMolecular weight:530.54Orphenadrine 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:269.17796Ondansetron 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
CAS:Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure nesoiFormula:C18H19N3OColor and Shape:White Off-White PowderMolecular weight:293.15281Theophylline
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/molFebuxostat 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:316.08816Clopidogrel 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:489.05683Ondansetron 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:293.15281Caffeine 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:194.08038Febuxostat
CAS:Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structureFormula:C16H16N2O3SColor and Shape:White Off-White PowderMolecular weight:316.08816Pemetrexed 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:440.15701Imidazole (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:68.08Methyl 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:236.1Clopidogrel 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:335.074682-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:337.05394Tetrahydrothienopyridine 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:139.04557Allopurinol Related Compound A (3-Amino-4-carboxamidopyrazole Hemisulfate)
CAS:Compounds containing an unfused pyrazole ring, whether or not hydrogenated, in the structure, nesoiFormula:C4H6N4OH2O4SColor and Shape:Off-White Yellow PowderMolecular weight:350.31Clopidogrel 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:337.05394Clopidogrel 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:321.05903Clopidogrel 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 R-Enantiomer ((R)-2-(2-chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetamide)
CAS:Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoiFormula:C15H15ClN2OSColor and Shape:White Off-White SolidMolecular weight:306.05936





