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Found 585 results for Pyrimidine+Impurity+3

1-beta-D-Ribofuranosylpyrimidine-2,4(1H,3H)-dione; Adenosine Imp. F (EP); Uridine; SKF-22425; CCI 11245; 24X57; Nelarabine related; Adenosine Impurity F; Cytarabine Impurity B CAS 58-96-8 PubChem CID 6029

O=c1ccn([C@@H]2O[C@H](CO)[C@@H](O)[C@H]2O)c(=O)[nH]1
Fluorouracil Imp. A (EP); Fluorouracil USP Related Compound A; Fluorouracil USP RC A; Pyrimidine-2,4,6-(1H,3H,5H)-trione; Barbituric Acid; Fluorouracil Related Compound A; Fluorouracil Impurity A CAS 67-52-7 PubChem CID 6211

O=C1CC(=O)NC(=O)N1
3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)piperidin-1-yl]ethyl]-9-oxo-2-methyl-6,7,8,9-tetrahydro-4H-pyrido-[1,2-a]pyrimidin-4-one CAS 1189516-65-1 PubChem CID 44608359

Cc1nc2n(c(=O)c1CCN1CCC(c3noc4cc(F)ccc34)CC1)CCCC2=O
3-(2-Chloroethyl)-2-methyl-6 pound not7 pound not8 pound not9-tetrahydro-4H-pyrido[1 pound not2-a]pyrimidin-4-one CAS 63234-80-0 PubChem CID 2763079

Cc1nc2n(c(=O)c1CCCl)CCCC2
6-Chloropyrimidine-2,4-diamine; Minoxidil Imp. B (EP); Minoxidil Impurity B CAS 156-83-2 PubChem CID 67432

Nc1cc(Cl)nc(N)n1
5-Methoxy-2,4(1H,3H)-pyrimidinedione; Uracil, 5-methoxy- (6CI,7CI,8CI); 5-Methoxypyrimidine-2,4-diol; 5-Methoxyuracil; NSC 55452; Fluorouracil Imp. D (EP); Fluorouracil Impurity D CAS 6623-81-0 PubChem CID 81100

COc1c[nH]c(=O)[nH]c1=O
4H-Pyrido[1,2-a]pyrimidin-4-one, 3-(2-chloroethyl)-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-; 3-(2-Chloroethyl)-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one; 3-(2-Chloroethyl)-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one; 3-(2-Chloroethyl)-9-hydroxy-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one; 9-Hydroxy-3-(2-chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one CAS 130049-82-0 PubChem CID 15547194

Cc1nc2n(c(=O)c1CCCl)CCCC2O
Trapidil Imp. A (EP); 5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol; 5-Methyl-s-triazolo[1,5-a]pyrimidin-7-ol; 1,3,7-Triaza-4-hydroxy-6-methylindolizine; 4-Hydroxy-6-methyl-1,2,4-triazolo[2,3-a]pyrimidine; 4-Hydroxy-6-methyl-1,3,3a,7-tetraazaindene; 4-Hydroxy-6-methyl-1,3,3a,7-tetrazaindene; 5-Methyl-7-hydroxy-1,2,4-triazolo[1,5-a]pyrimidine; 5-Methyl-7-hydroxy-1,3,4-triazaindolizine; 5-Methyl-7-hydroxy-s-triazolo[1,5-a]pyrimidine; 6-Methyl-4-hydroxy-1,3,3a,7-tetraazaindene; 7-Hydroxy-5-methyl-1,3,4-triazaindolizine; 7-Hydroxy-5-methyl-s-triazolo[1,5-a]pyrimidine; NSC 32071; NSC 511493; Stabilizer 583; TAI; TAI (sensitizer); Trapidil Impurity A CAS 2503-56-2 PubChem CID 75629

Cc1cc(=O)n2[nH]cnc2n1
6H-Furo[2',3':4,5]oxazolo[3,2-a]pyrimidine-2-methanol, 2,3,3a,9a-tetrahydro-3-hydroxy-6-imino-, monohydrochloride, [2R-(2.alpha.,3.beta.,3a.beta.,9a.beta.)]- CAS 31698-14-3 PubChem CID 25051

N=c1ccn2c(n1)O[C@H]1[C@H](O)[C@@H](CO)O[C@H]12
5-Pyrimidinecarboxylic acid, 4-[[(3-chloro-4-methoxyphenyl)methyl]amino]-2-[(2S)-2-(hydroxymethyl)-1-pyrrolidinyl]-, ethyl ester CAS 330785-83-6 PubChem CID 52348789

CCOC(=O)c1cnc(N2CCC[C@H]2CO)nc1NCc1ccc(OC)c(Cl)c1
Pyrido[2,3-d]pyrimidine-2,4,7(1H,3H,8H)-trione, 3-cyclopropyl-1-(2-fluoro-4-iodophenyl)-5-hydroxy-6,8-dimethyl-; 3-Cyclopropyl-1-(2-fluoro-4-iodophenyl)-5-hydroxy-6,8-dimethylpyrido[2,3-d]pyrimidine-2,4,7(1H,3H,8H)-trione; 3-Cyclopropyl-1-(2-fluoro-4-iodophenyl)-5-hydroxy-6,8-dimethyl-1H,8H-pyrido[2,3-d]pyrimidine-2,4,7-trione; GSK 1375981A CAS 871700-24-2 PubChem CID 59717004

Cc1c(O)c2c(=O)n(C3CC3)c(=O)n(-c3ccc(I)cc3F)c2n(C)c1=O
propanoic acid, 3-[(phenylmethyl)sulfonyl]-, compd. with 2-pyrimidinamine (1:1) CAS 109-12-6 PubChem CID 7978

Nc1ncccn1
Stavudine Imp. C (EP); Zidovudine USP Related Compound D; Zidovudine USP RC D; Thymidine; 1-(2-Deoxy-beta-D-erythro-pentofuranosyl)-5-methylpyrimidine-2,4(1H,3H)-dione; Zidovudine Imp. E (Pharmeuropa); 1-(2-Deoxy-beta-D-erythro-pentofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione; 2,4(1H,3H)-Pyrimidinedione, 1-(2-deoxy-beta-D-erythro-pentofuranosyl)-5-methyl-; 2'-Deoxythymidine; 5-Methyl-2'-deoxyuridine; 5-Methyldeoxyuridine; DThyd; Deoxyribothymidine; Deoxythymidine; NSC 21548; Thymidin; Thymine 2-desoxyriboside; Thymine deoxyriboside; Uridine, 2'-deoxy-5-methyl-; dT; beta-D-Ribofuranoside, thymine-1 2-deoxy-; Thymidine; Zidovudine Related Compound D; Stavudine Impurity C; Zidovudine Impurity E CAS 50-89-5 PubChem CID 5789

Cc1cn([C@H]2C[C@H](O)[C@@H](CO)O2)c(=O)[nH]c1=O
Ethyl 4-cyano-3-imino-5-((3R,4R)-4-methyl-3-((2-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-5-oxopentanoate CAS 3680-71-5 PubChem CID 135408689

O=c1[nH]cnc2[nH]ccc12
6-(4-aminophenyl)-1-[(2,6-difluorophenyl)methyl]-5-[(dimethylamino)methyl]-3-(6-methoxypyridazin-3-yl)-1H,2H,3H,4H-thieno[2,3-d]pyrimidine-2,4-dione CAS 1589503-93-4 PubChem CID 73505509

COc1ccc(-n2c(=O)c3c(CN(C)C)c(-c4ccc(N)cc4)sc3n(Cc3c(F)cccc3F)c2=O)nn1
InChI=1/C16H20Cl2N6/c17-15-20-12-11(13(21-15)23-7-3-1-4-8-23)19-16(18)22-14(12)24-9-5-2-6-10-24/h1-10H CAS 7139-02-8 PubChem CID 81556

Clc1nc(N2CCCCC2)c2nc(Cl)nc(N3CCCCC3)c2n1
Lamivudine; 2(1H)-Pyrimidinone, 4-amino-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-; 2(1H)-Pyrimidinone, 4-amino-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-, (2R-cis)-; 1,3-Oxathiolane, 2(1H)-pyrimidinone deriv.; (-)-2'-Deoxy-3'-thiacytidine; (-)-BCH 189; 2-Hydroxymethyl-5-(cytosin-1-yl)-1,3-oxathiolane; 3TC; BCH 189, (-)-; Epivir; Epivir HBV; GR 109714X; Hepitec; Heptodin; Heptovir; L-SddC; Lamivir; Virolam; Zeffix; Zefix; cis(-)-2-Hydroxymethyl-5-(cytosin-1-yl)-1,3-oxathiolane; beta-L-2',3'-Dideoxy-3'-thiacytidine; beta-L-3'-Thia-2',3'-dideoxycytidine; GR 109714X; 3TC; GR 111720X; GR 135522X; Lamivudine GR109714X; BP Zidovudine and Lamivudine Impurity Standard; Ph Eur Lamivudine for system suitability 1; BP Lamivudine Impurity Standard; Ph Eur Lamivudine for system suitability 2 CAS 134678-17-4 PubChem CID 60825

Nc1ccn([C@@H]2CS[C@H](CO)O2)c(=O)n1
4-Pyrimidinecarboxamide, 2-(1-amino-1-methylethyl)-N-[(4-fluorophenyl)methyl]-1,6-dihydro-5-hydroxy-1-methyl-6-oxo-; 2-(1-Amino-1-methylethyl)-N-[(4-fluorophenyl)methyl]-1,6-dihydro-5-hydroxy-1-methyl-6-oxo-4-pyrimidinecarboxamide; 2-(1-Amino-1-methylethyl)-5-hydroxy-1-methyl-6-oxo-1,6-dihydropyrimidine-4-carboxylic acid 4-fluorobenzylamide; 2-(1-Amino-1-methylethyl)-N-(4-fluorobenzyl)-5-hydroxy-1-methyl-6-oxo-1,6-dihydropyrimidine-4-carboxamide; 2-(2-Aminopropan-2-yl)-N-[(4-fluorophenyl)methyl]-5-hydroxy-1-methyl-6-oxo-1,6-dihydropyrimidine-4-carboxamide; 2-(2-Aminopropan-2-yl)-N-(4-fluorobenzyl)-5-hydroxy-1-methyl-6-oxo-1,6-dihydropyrimidine-4-carboxamide CAS 518048-03-8 PubChem CID 54721880

Cn1c(C(C)(C)N)nc(C(=O)NCc2ccc(F)cc2)c(O)c1=O
4-Aminopyrimidin-2(1H)-one; Gemcitabine Hydrochloride Imp. A (EP); Gemcitabine Imp. A (EP); Lamivudine Imp. E (EP); Cytosine; GR 93089X; Lamivudine related; Cytosine (GR93089X); Cytarabine Impurity C; Gemcitabine Hydrochloride Impurity A; Lamivudine Impurity E; Gemcitabine Impurity A CAS 71-30-7 PubChem CID 597

Nc1ccnc(=O)[nH]1
2-{5-fluoro-1-[(2-fluorophenyl)methyl]-1H-pyrazolo[3,4-b]pyridin-3-yl}-5-[(1E)-2-phenyldiazen-1-yl]pyrimidine-4,6-diamine CAS 1350653-29-0 PubChem CID 58065609

Nc1nc(-c2nn(Cc3ccccc3F)c3ncc(F)cc23)nc(N)c1N=Nc1ccccc1