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Heterocyclen

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Structure Chemical Name CAS MF
5-(bromomethyl)pyrazolo[1,5-a]pyrimidine 5-(bromomethyl)pyrazolo[1,5-a]pyrimidine 1228351-80-1 C7H6BrN3
4-METHOXY-1H-PYRAZOLO[3,4-D]PYRIMIDIN-6-AMINE 4-METHOXY-1H-PYRAZOLO[3,4-D]PYRIMIDIN-6-AMINE 100644-67-5 C6H7N5O
1,2,4-Triazolo[4,3-c]pyrimidine, 5-chloro-8-iodo- 1,2,4-Triazolo[4,3-c]pyrimidine, 5-chloro-8-iodo- 2374137-45-6 C5 H2 Cl I N4
di-tert-butyl (4-chloropyriMidin-2-yl)carbaMate di-tert-butyl (4-chloropyriMidin-2-yl)carbaMate 1464788-84-8 C14H20ClN3O4
5-BroMo-2-(Methylsulfinyl)pyriMidine 5-BroMo-2-(Methylsulfinyl)pyriMidine 79685-17-9 C5H5BrN2OS
ethyl 5-aMino-2,6-dichloropyriMidine-4-carboxylate ethyl 5-aMino-2,6-dichloropyriMidine-4-carboxylate 54368-62-6 C7H7Cl2N3O2
4-chloro-6-methyl-5H,6H,7H,8H-pyrido[4,3-d]pyrimidine 4-chloro-6-methyl-5H,6H,7H,8H-pyrido[4,3-d]pyrimidine 1258650-41-7 C8H10ClN3
5-chloropyrido[4,3-d]pyrimidine 5-chloropyrido[4,3-d]pyrimidine 1029720-78-2 C7H4ClN3
5-Bromo-[1,2,4]triazolo[1,5-a]pyrimidine 5-Bromo-[1,2,4]triazolo[1,5-a]pyrimidine 154695-81-5 C5H3BrN4
7-Chloropyrazolo[1,5-a]pyiMidine-3-carbonitrile 7-Chloropyrazolo[1,5-a]pyiMidine-3-carbonitrile 1159982-97-4 C7H3ClN4
yclopropanecarboxylic acid N-[4-[[4-chloro-6-(5-methyl-2H-pyrazol-3-ylamino)pyrimidin-2-yl]sulfanyl]phenyl]amide yclopropanecarboxylic acid N-[4-[[4-chloro-6-(5-methyl-2H-pyrazol-3-ylamino)pyrimidin-2-yl]sulfanyl]phenyl]amide 639090-55-4 C18H17ClN6OS
5-(3-Hydroxypropyl)-2,4(1H,3H)-pyriMidinedione 5-(3-Hydroxypropyl)-2,4(1H,3H)-pyriMidinedione 53761-38-9 C7H10N2O3
Cytidine, 4'-C-(chloromethyl)-2'-deoxy-3'-O-[(1,1-dimethylethyl)dimethylsilyl]-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-2'-fluoro- Cytidine, 4'-C-(chloromethyl)-2'-deoxy-3'-O-[(1,1-dimethylethyl)dimethylsilyl]-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-2'-fluoro- 1445379-90-7 C32H45ClFN3O4Si2
5-Chloro-7-methoxypyrazolo[1,5-a]pyrimidine 5-Chloro-7-methoxypyrazolo[1,5-a]pyrimidine 1824286-23-8 C7H6ClN3O
5'-O-(4,4'-DIMETHOXYTRITYL)-2'-DEOXYCYTIDINE 5'-O-(4,4'-DIMETHOXYTRITYL)-2'-DEOXYCYTIDINE 76512-82-8 C30H31N3O6
4-chloro-6-methoxy-Pyrido[3,2-d]pyrimidine 4-chloro-6-methoxy-Pyrido[3,2-d]pyrimidine 1417555-18-0 C8H6ClN3O
ethyl 5-amino-1-(pyrimidin-2-yl)-1H-pyrazole-4-carboxylate ethyl 5-amino-1-(pyrimidin-2-yl)-1H-pyrazole-4-carboxylate 91129-95-2 C10H11N5O2
ethyl 5-nitro-2,6-dioxo-3H-pyrimidine-4-carboxylate ethyl 5-nitro-2,6-dioxo-3H-pyrimidine-4-carboxylate 52047-16-2 C7H7N3O6
ETHYL 4,5-DIHYDRO-4-OXO-1H-PYRROLO[3,2-D]PYRIMIDINE-7-CARBOXYLATE ETHYL 4,5-DIHYDRO-4-OXO-1H-PYRROLO[3,2-D]PYRIMIDINE-7-CARBOXYLATE 853058-41-0 C9H9N3O3
ethyl 5-aMino-2-chloropyriMidine-4-carboxylate ethyl 5-aMino-2-chloropyriMidine-4-carboxylate 59950-50-4 C7H8ClN3O2
4,6- diisopropylpyrimidin-5-amine 4,6- diisopropylpyrimidin-5-amine 2168417-89-6 C10H17N3
4-[(S)-4-Boc-2-methyl-1-piperazinyl]-6-fluoro-7-(2-fluoro-6-hydroxyphenyl)-1-(2-isopropyl-4-methyl-3-pyridyl)pyrido[2,3-d]pyrimidin-2(1H)-one 4-[(S)-4-Boc-2-methyl-1-piperazinyl]-6-fluoro-7-(2-fluoro-6-hydroxyphenyl)-1-(2-isopropyl-4-methyl-3-pyridyl)pyrido[2,3-d]pyrimidin-2(1H)-one 2252403-85-1 C32H36F2N6O4
5,7-DICHLORO-2-METHYL-[1,2,4]TRIAZOLO[1,5-A]PYRIMIDINE 5,7-DICHLORO-2-METHYL-[1,2,4]TRIAZOLO[1,5-A]PYRIMIDINE 1373519-64-2 C6H4Cl2N4
4-Chloro-5-fluoro-6-methoxy-2-methylpyrimidine 4-Chloro-5-fluoro-6-methoxy-2-methylpyrimidine 1383976-40-6 C6H6ClFN2O
4-chloro-2,7-dimethylthieno[3,2-d]pyrimidine 4-chloro-2,7-dimethylthieno[3,2-d]pyrimidine 936837-34-2 C8H7ClN2S
4-CHLORO-6-(METHYLTHIO)PYRIMIDINE-5-CARBONITRILE 4-CHLORO-6-(METHYLTHIO)PYRIMIDINE-5-CARBONITRILE 150807-96-8 C6H4ClN3S
5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(2,2,2-trifluoroethoxy)pyrimidine 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(2,2,2-trifluoroethoxy)pyrimidine 1351234-12-2 C12H16BF3N2O3
5-BroMo-2-chloro-4-ethoxypyriMidine 5-BroMo-2-chloro-4-ethoxypyriMidine 1289005-72-6 C6H6BrClN2O
4-Chloro-6-(2,2-difluoropropyl)thieno[2,3-d]pyrimidine 4-Chloro-6-(2,2-difluoropropyl)thieno[2,3-d]pyrimidine 2180956-71-0 C9H7ClF2N2S
5-chloro-2-(Methylthio)pyrido[4,3-d]pyriMidine 5-chloro-2-(Methylthio)pyrido[4,3-d]pyriMidine 1255099-52-5 C8H6ClN3S
4-Aminothieno[2,3-d]pyrimidine-6-carbaldehyde 4-Aminothieno[2,3-d]pyrimidine-6-carbaldehyde 655254-90-3 C7H5N3OS
1,2,3,6-Tetrahydro-5-nitro-2,6-dioxopyrimidin-4-carbonsure 1,2,3,6-Tetrahydro-5-nitro-2,6-dioxopyrimidin-4-carbonsure 17687-24-0 C5H3N3O6
4-Methyl-6-ethoxypyrimidine-2-amine 4-Methyl-6-ethoxypyrimidine-2-amine 7749-48-6 C7H11N3O
5-Methyl-2-(methylthio)-1,2,4-triazolo[1,5-a]pyrimidin-7-ol 5-Methyl-2-(methylthio)-1,2,4-triazolo[1,5-a]pyrimidin-7-ol 40775-78-8 C7H8N4OS
Pyrimidine, 4-chloro-6-methoxy-2-methyl-5-nitro- Pyrimidine, 4-chloro-6-methoxy-2-methyl-5-nitro- 60331-15-9 C6H6ClN3O3
4-chloro-6-(2,2,2-trifluoroethyl)thieno[3,2-d]pyrimidine 4-chloro-6-(2,2,2-trifluoroethyl)thieno[3,2-d]pyrimidine 2102553-51-3 C8H4ClF3N2S
4-Pyrimidinamine, 5,6-dichloro-N-methyl- 4-Pyrimidinamine, 5,6-dichloro-N-methyl- 1428252-93-0 C5H5Cl2N3
5-AMino-2-chloropyriMidine-4-carboxaMide 5-AMino-2-chloropyriMidine-4-carboxaMide 189747-29-3 C5H5ClN4O
4-Chloro-6-methyl-2-(2,2,2-trifluoroethyl)-2H-pyrazolo[3,4-d]pyrimidine 4-Chloro-6-methyl-2-(2,2,2-trifluoroethyl)-2H-pyrazolo[3,4-d]pyrimidine 2163771-92-2 C8H6ClF3N4
4-Amino-2,6-dichloropyrimidine-5-carboxaldehyde 4-Amino-2,6-dichloropyrimidine-5-carboxaldehyde 5971-68-6 C5H3Cl2N3O
2-Methylsulfonyl-4,6-dichloro-5-ethylpyriMidine 2-Methylsulfonyl-4,6-dichloro-5-ethylpyriMidine 1263314-16-4 C7H8Cl2N2O2S
4-Chloro-2-Methyl-6-phenyl-5H-pyrrolo[3,2-d]pyriMidine 4-Chloro-2-Methyl-6-phenyl-5H-pyrrolo[3,2-d]pyriMidine 52617-71-7 C13H10ClN3
4,6-dichloropyriMidine-2-carbonitrile 4,6-dichloropyriMidine-2-carbonitrile 1451391-83-5 C5HCl2N3
4,6-dibromo-2-methylpyrimidine 4,6-dibromo-2-methylpyrimidine 1598222-27-5 C5H4Br2N2
Pyrimidine, 4-chloro-2-fluoro- (9CI) Pyrimidine, 4-chloro-2-fluoro- (9CI) 51422-00-5 C4H2ClFN2
4-chloro-5-methoxy-2-(4-pyridinyl)pyrimidine 4-chloro-5-methoxy-2-(4-pyridinyl)pyrimidine 133661-38-8 C10H8ClN3O
5-BroMo-2-chloro-6-MethylpyriMidin-4-aMine 5-BroMo-2-chloro-6-MethylpyriMidin-4-aMine 54093-23-1 C5H5BrClN3
5-chloro-7-(3,4-diMethoxyphenyl)iMidazo[1,2-c]pyriMidine 5-chloro-7-(3,4-diMethoxyphenyl)iMidazo[1,2-c]pyriMidine 371171-20-9 C14H12ClN3O2
4-Chloro-7-isopropyl-7H-pyrrolo[2,3-d]pyrimidine 4-Chloro-7-isopropyl-7H-pyrrolo[2,3-d]pyrimidine 870706-47-1 C9H10ClN3
Thieno[3,2-d]pyrimidine, 4-methoxy-7-methyl- (9CI) Thieno[3,2-d]pyrimidine, 4-methoxy-7-methyl- (9CI) 676549-71-6 C8H8N2OS
Ethyl 4-chlorothieno[2,3-d]pyrimidine-2-carboxylate Ethyl 4-chlorothieno[2,3-d]pyrimidine-2-carboxylate 1192540-11-6 C9H7ClN2O2S
4-Chloro-5-iodo-6-methylpyrimidin-2-amine 4-Chloro-5-iodo-6-methylpyrimidin-2-amine 897030-99-8 C5H5ClIN3
5-Bromo-2-methylpyrazolo[1,5-a]pyrimidine 5-Bromo-2-methylpyrazolo[1,5-a]pyrimidine 1610021-32-3 C7H6BrN3
5-(PYRIMIDIN-2-YLSULFANYL)-FURAN-2-CARBALDEHYDE 5-(PYRIMIDIN-2-YLSULFANYL)-FURAN-2-CARBALDEHYDE 57603-82-4 C9H6N2O2S
1-N-TRITYL-IMIDAZOLE-2-YLPROPIONIC ACID 1-N-TRITYL-IMIDAZOLE-2-YLPROPIONIC ACID 675602-85-4 C25H22N2O2
N-(2-Methoxyethyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-amine N-(2-Methoxyethyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-amine 1202805-24-0 C13H22BN3O3
(5S)-2 2 3-TRIMETHYL-5-PHENYLMETHYL-4-I& (5S)-2 2 3-TRIMETHYL-5-PHENYLMETHYL-4-I& 278173-23-2 C13H18N2O.ClH
INDEX NAME NOT YET ASSIGNED INDEX NAME NOT YET ASSIGNED 2375720-19-5 C28H22N4O2
1H-Imidazole-4-carboxylicacid,2-amino-,ethylester(9CI) 1H-Imidazole-4-carboxylicacid,2-amino-,ethylester(9CI) 149520-94-5 C6H9N3O2
5-Bromo-4-tert-butylpyrimidine 5-Bromo-4-tert-butylpyrimidine 1439-08-3 C8H11BrN2
IMidazo[1,2-a]pyridin-6-aMine, 2-Methyl- IMidazo[1,2-a]pyridin-6-aMine, 2-Methyl- 860258-05-5 C8H9N3
1H-Imidazole, 1,1'-(2,5-dimethyl-1,4-phenylene)bis- 1H-Imidazole, 1,1'-(2,5-dimethyl-1,4-phenylene)bis- 1347702-73-1 C14H14N4
7-methyl-2H,3H,4H-pyrido[1,2-a]pyrimidin-3-ol hydrochloride 7-methyl-2H,3H,4H-pyrido[1,2-a]pyrimidin-3-ol hydrochloride 6056-42-4 C9H12N2O.HCl
Uridin, zyklisches 2',3'-(Hydrogen-phosphat), Mononatriumsalz Uridin, zyklisches 2',3'-(Hydrogen-phosphat), Mononatriumsalz 15718-50-0 C9H10N2NaO8P
[C2MIm]SbF6 [C2MIm]SbF6 305370-81-4 C6H11F6N2P
1-Benzylimidazole-5-carboxylic Acid 1-Benzylimidazole-5-carboxylic Acid 5317-07-7 C11H10N2O2
1,3-Didecyl-2-methyl-1H-imidazoliumchlorid 1,3-Didecyl-2-methyl-1H-imidazoliumchlorid 70862-65-6 C24H47ClN2
1,1'-(Piperazin-1,4-diyldimethylen)diimidazolidin-2-thion 1,1'-(Piperazin-1,4-diyldimethylen)diimidazolidin-2-thion 14764-02-4 C12H22N6S2
2,2'-Bi-1H-imidazole, 1,1'-bis[3-(1,1-dimethylethyl)phenyl]-4,4',5,5'-tetrahydro-4,4'-bis(1-methylethyl)-, (4S,4'S)- 2,2'-Bi-1H-imidazole, 1,1'-bis[3-(1,1-dimethylethyl)phenyl]-4,4',5,5'-tetrahydro-4,4'-bis(1-methylethyl)-, (4S,4'S)- 2374958-80-0 C32H46N4
N-Acetylsulfanilsure N-Acetylsulfanilsure 121-62-0 C8H9NO4S
5-AMINO-1-METHYLIMIDAZOLE 5-AMINO-1-METHYLIMIDAZOLE 66787-75-5 C4H7N3
6-Amino-5-(2,2-diethoxyethyl)pyrimidin-4-ol 6-Amino-5-(2,2-diethoxyethyl)pyrimidin-4-ol 7400-06-8 C10H17N3O3
1,4-bis(2-methyl-1H-imidazol-1-yl)benzene 1,4-bis(2-methyl-1H-imidazol-1-yl)benzene 1347702-71-9 C14H14N4
5,5'-(pyrimidine-2,5-diyl)diisophthalic acid 5,5'-(pyrimidine-2,5-diyl)diisophthalic acid 1601485-40-8 C20H12N2O8
1-[(DIMETHYLAMINO)METHYL]IMIDAZOLE 1-[(DIMETHYLAMINO)METHYL]IMIDAZOLE 23230-39-9 C6H11N3
N-(6-Amino-1,2,3,4-tetrahydro-1-methyl-2,4-dioxo-5-pyrimidinyl)formamid N-(6-Amino-1,2,3,4-tetrahydro-1-methyl-2,4-dioxo-5-pyrimidinyl)formamid 14785-95-6 C6H8N4O3
2,2'-Bi-1H-imidazole, 4,4',5,5'-tetrahydro-4,4'-bis(1-methylethyl)-1,1'-bis(3-methylphenyl)-, (4S,4'S)- 2,2'-Bi-1H-imidazole, 4,4',5,5'-tetrahydro-4,4'-bis(1-methylethyl)-1,1'-bis(3-methylphenyl)-, (4S,4'S)- 2374958-85-5 C26H34N4
1H-Imidazol-4-ylmethylamine dihydrochloride 1H-Imidazol-4-ylmethylamine dihydrochloride 72631-80-2 C4H9Cl2N3
2H-IMIDAZO[4,5-B]PYRAZIN-2-ONE, 1,3-DIHYDRO- 2H-IMIDAZO[4,5-B]PYRAZIN-2-ONE, 1,3-DIHYDRO- 16328-63-5 C5H4N4O
1,3-diMethyliMidazoliuM dicyanaMide 1,3-diMethyliMidazoliuM dicyanaMide 869301-19-9 C7H9N5
3-Benzyl-5-phenyl-3H-imidazol-4-ylamine 3-Benzyl-5-phenyl-3H-imidazol-4-ylamine 1000932-31-9 C16H15N3
ethyl 5-chloro-6-fluoropyrazolo[1,5-a]pyrimidine-3-carboxylate ethyl 5-chloro-6-fluoropyrazolo[1,5-a]pyrimidine-3-carboxylate 2359650-50-1 C9H7ClFN3O2
5,5'-(5-aminopyrimidine-4,6-diyl)diisophthalic acid 5,5'-(5-aminopyrimidine-4,6-diyl)diisophthalic acid 1980832-02-7 C20H13N3O8
5-isopropyluracil 5-isopropyluracil 17432-95-0 C7H10N2O2
Thiazolo[4,5-d]pyrimidin-2(3H)-one, 5-amino- Thiazolo[4,5-d]pyrimidin-2(3H)-one, 5-amino- 848691-22-5 C5H4N4OS
2-[4-(TRIFLUOROMETHYL)PHENYL]-1H-IMIDAZOLE 2-[4-(TRIFLUOROMETHYL)PHENYL]-1H-IMIDAZOLE 34898-30-1 C10H7F3N2
7-Aminopyrazolo[1,5-a]pyrimidine-6-carbonitrile 7-Aminopyrazolo[1,5-a]pyrimidine-6-carbonitrile 89975-57-5 C7H5N5
7-chloroiMidazo[1,2-a]pyriMidin-5(1H)-one 7-chloroiMidazo[1,2-a]pyriMidin-5(1H)-one 57473-33-3 C6H4ClN3O
8-Ethyl-2-[[4-(4-methylpiperazin-1-yl)phenyl]amino]-8H-pyrido[2,3-d]pyrimidin-7-one 8-Ethyl-2-[[4-(4-methylpiperazin-1-yl)phenyl]amino]-8H-pyrido[2,3-d]pyrimidin-7-one 211245-14-6 C20H24N6O
2-Bromo-4,5-dichloro-1H-imidazole 2-Bromo-4,5-dichloro-1H-imidazole 16076-27-0 C3HBrCl2N2
1-Methyl-1H-imidazole-5-carbonyl chloride hydrochloride 1-Methyl-1H-imidazole-5-carbonyl chloride hydrochloride 343569-06-2 C5H6Cl2N2O
1,3-Benzenedicarboxylic acid, 5-[(5-pyrimidinylcarbonyl)amino]- 1,3-Benzenedicarboxylic acid, 5-[(5-pyrimidinylcarbonyl)amino]- 1973826-31-1 C13H9N3O5
1H-Benzimidazole-6-carboxaldehyde, 1-methyl- (9CI) 1H-Benzimidazole-6-carboxaldehyde, 1-methyl- (9CI) 181867-19-6 C9H8N2O
BENZO[4,5]IMIDAZO[1,2-A][1,3,5]TRIAZIN-2-YLAMINE BENZO[4,5]IMIDAZO[1,2-A][1,3,5]TRIAZIN-2-YLAMINE 61678-05-5 C9H7N5
1-(4-FLUOROPHENYL)IMIDAZOLINE-2-THIONE 1-(4-FLUOROPHENYL)IMIDAZOLINE-2-THIONE 17452-07-2 C9H7FN2S
Uridin-5'-(trihydrogen-diphosphat), Mono-α-D-glucopyranosylester, Natriumsalz Uridin-5'-(trihydrogen-diphosphat), Mono-α-D-glucopyranosylester, Natriumsalz 14656-80-5 C15H25N2NaO17P2
1H-Benzimidazole,1-methyl-6-nitro-(9CI) 1H-Benzimidazole,1-methyl-6-nitro-(9CI) 5381-79-3 C8H7N3O2
1H-Imidazole-5-carbonitrile,4-amino-1-methyl-(9CI) 1H-Imidazole-5-carbonitrile,4-amino-1-methyl-(9CI) 40637-80-7 C5H6N4
thieno[3,2-d]pyriMidine-7-carboxylic acid thieno[3,2-d]pyriMidine-7-carboxylic acid 1211596-20-1 C7H4N2O2S
1-(Propyltrimethoxyl)-3-methylimidazolium chloride 1-(Propyltrimethoxyl)-3-methylimidazolium chloride 856925-70-7 C10H19ClN2O3
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