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StructureChemical NameCASMF
2(1H)-Pyrazinone, 3,6-dihydro-5,6,6-trimethyl-, 4-oxide 79137-39-6 C7H12N2O2
1H-Pyrazolo[1,5-b]pyrazol-3-amine, 5,6-dihydro-6-methoxy- 928337-50-2 C6H10N4O
3H-Pyrazol-3-one, 2,4-dihydro-4,5-dimethyl-4-(2-propen-1-yl)-, (4R)- 935693-32-6 C8H12N2O
1H-Pyrazole-1-carboxylic acid, 4,5-dihydro-3-methyl-, ethyl ester 80457-39-2 C7H12N2O2
1H-Pyrazole-1,3-dicarboxylic acid, dimethyl ester (9CI) 135641-62-2 C7H8N2O4
1H-Pyrazole-4-carbonitrile, 3-[(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)carbonyl]-5-(2-furanyl)-1-phenyl- 933065-57-7 C19H13N5O3
3H-Pyrazol-3-one, 4-[[5-(diethylamino)-2-furanyl]methylene]-2,4-dihydro-2-phenyl-5-(trifluoromethyl)- 444190-79-8 C19H18F3N3O2
7H-Pyrano[2,3-g]benzothiazol-7-one, 2-amino-4-methyl- 79492-11-8 C11H8N2O2S
1H-Pyrazole-5-ethanol, 3,4-diamino-1-methyl- 229028-77-7 C6H12N4O
1H-Pyrazol-3-amine, 5-pentyl- 126748-59-2 C8H15N3
1H-Pyrazole-3-carboxamide, 5-ethyl-4-hydroxy- 51173-01-4 C6H9N3O2
3H-Pyrazol-3-one, 2,4-dihydro-4-(2-hydroxyethyl)-4,5-dimethyl- 401934-50-7 C7H12N2O2
1H-Pyrazole-4-carbonitrile, 3-benzoyl-5-(2-furanyl)-1-phenyl- 487002-27-7 C21H13N3O2
2(1H)-Pyrazinone, 5,6-dimercapto- (9CI) 195616-37-6 C4H4N2OS2
1H-Pyrazole-3-carboxaldehyde, 4-ethyl-1-methyl-5-(4-methylphenoxy)- 946061-25-2 C14H16N2O2
1H-Pyrazolo[1,5-b][1,2,4]triazole, 7-ethyl-2-methyl- (9CI) 151521-40-3 C7H10N4
1H-Pyrazolo[4,3-g]benzoxazole (8CI,9CI) 21274-68-0 C8H5N3O
3H-Pyrazol-3-one, 2,4-dihydro-4,5-dimethyl-4-(2-propen-1-yl)-, (4S)- 935693-48-4 C8H12N2O
1H-Pyrazole-3-carboxamide, 5-(1-methylethyl)- 957129-49-6 C7H11N3O
2H-Pyran-5-carboxamide, N-(6-amino-1,2,3,4-tetrahydro-3-methyl-2,4-dioxo-1-phenyl-5-pyrimidinyl)-2-oxo- 176379-30-9 C17H14N4O5
3-Chloro-5,6-dimethylpyrazin-2(1H)-one 140862-42-6 C6H7ClN2O
1H-Pyrazolo[1,5-b][1,2,4]triazole, 2-ethyl-7-methyl- (9CI) 151521-54-9 C7H10N4
3H-Pyrazol-3-one, 1,2-dihydro-1-methyl-5-(methylthio)-, hydrazone (9CI) 158355-44-3 C5H10N4S
1H-Pyrazole-4-carbonitrile, 3-acetyl-5-(2-furanyl)-1-(3-methoxyphenyl)- 958946-48-0 C17H13N3O3
1H-Pyrazole-1-acetic acid, 4,5-dihydro-3-methyl-, methyl ester 79559-10-7 C7H12N2O2
1H-Pyrazole-1-carboxylic acid, 5-amino-4-(aminocarbonyl)-, methyl ester 220131-61-3 C6H8N4O3
1H-Pyrazole-4-carboxaldehyde, 2,3-dihydro-1,2,5-trimethyl-3-oxo- 66181-69-9 C7H10N2O2
1H-Pyrazolo[5,1-c]-1,2,4-triazole-3-ethanamine 197355-88-7 C6H9N5
3H-Pyrazole-3-thione, 1,2-dihydro-1,2,4,5-tetramethyl- 32323-28-7 C7H12N2S
1H-Pyrazolo[4,3-d]thiazole-5-carboxaldehyde 933716-59-7 C5H3N3OS
1H-Pyrazole-3-methanol, 5-methyl-1-propyl- 1007514-81-9 C8H14N2O
5H-Pyrazolo[5,1-c]-1,2,4-triazole-3,5,6-triamine 928338-36-7 C4H7N7
1H-Pyrazol-4-amine, N-ethyl-1,3,5-trimethyl- 87675-56-7 C8H15N3
1H-Pyrazole-1-carboxylic acid, 3-amino-4,5-dihydro-5-oxo-, ethyl ester 129027-74-3 C6H9N3O3
3H-Pyrazol-3-one, 4-(2-aminoethyl)-5-ethyl-1,2-dihydro- 952958-76-8 C7H13N3O
1H-Pyrazole-4-ethanamine, 3-propyl- C8H15N3
1H-Pyrazole-4-methanamine, N,3-diethyl- C8H15N3
1H-Pyrazole-4,5-diamine, 1-methyl-3-[(methylamino)methyl]- 184173-24-8 C6H13N5
1H-Pyrazol-4-amine, 1-(methoxymethyl)-3,5-dimethyl- 1006334-16-2 C7H13N3O
1H-Pyrazolo[1,5-b][1,2,4]triazol-7-amine, 1-methoxy- 877321-99-8 C5H7N5O
1H-Pyrazole-3-butanol, 5-amino- 149978-59-6 C7H13N3O
3H-Pyrazol-3-one, 4-(2-aminoethyl)-2,4-dihydro-4,5-dimethyl- 933704-44-0 C7H13N3O
1H-Pyrazole-4,5-diamine, 1-(1H-imidazol-4-yl)- (9CI) 491872-68-5 C6H8N6
1H-Pyrazolo[1,2-a]pyridazine-5,8-dione, 2,3-dihydro- 613241-58-0 C7H8N2O2
1H-Pyrazol-5-amine, 1-ethyl-3-methyl-4-nitroso- 60334-94-3 C6H10N4O
1H-Pyrazolo[1,2-a]pyridazin-6-ol, hexahydro-3-methyl- 82222-07-9 C8H16N2O
1H-Pyrazolo[1,5-d]tetrazole, 7-chloro-6-methyl- (9CI) 197356-16-4 C4H4ClN5
2(1H)-Pyrazinethione, 3,5,6-trimethyl- 10449-08-8 C7H10N2S
2H-Pyrazolo[4,3-c]pyridine, 3-chloro-4,5,6,7-tetrahydro- 933754-78-0 C6H8ClN3
5H-Pyrazolo[5,1-c]-1,2,4-triazol-6-amine, 5-methoxy- 928338-47-0 C5H7N5O
1H-Pyrazole, 4,5-dihydro-3-methyl-4-(1-methylethyl)-1-nitroso- 57832-59-4 C7H13N3O
1H-Pyrazole, 4-[2-(methoxy-d3)ethyl]-3,5-dimethyl- (9CI) 104939-43-7 C8H11D3N2O
1H-Pyrazol-4-amine, 5-chloro-1-ethyl-3-methyl- 406188-94-1 C6H10ClN3
3H-Pyrazolo[1,5-b][1,2,4]triazole-2-ethanol 197355-78-5 C6H8N4O
3H-Pyrazolo[1,5-b][1,2,4]triazol-7-amine, 2,6-dimethyl- 227610-62-0 C6H9N5
2H-Pyrazino[1,2-a]pyrazin-1(6H)-one, hexahydro- 929047-73-4 C7H13N3O
5H-Pyrazolo[5,1-c]-1,2,4-triazole-5,6-diamine, N5-methyl- 928338-50-5 C5H8N6
1H-Pyrazolo[3,4-d]thiazol-5-amine, 3a,6a-dihydro-3-methyl- 172844-31-4 C5H8N4S
1H-Pyrazole-3-carboxylic acid, 5-methyl-, 1-methylhydrazide 89270-37-1 C6H10N4O
1H-Pyrazol-4-ol, 5-amino-1-(1-methylethoxy)- 927417-41-2 C6H11N3O2
1H-Pyrazole-4,5-diamine, 1-(3-amino-1-propenyl)- (9CI) 491843-01-7 C6H11N5
1H-Pyrazolo[4,3-e]pyrrolo[1,2-a]pyrazine (9CI) 95194-08-4 C8H6N4
1H-Pyrazol-3-amine, 5-(1,1-dimethylethyl)-4-methyl- 159976-74-6 C8H15N3
1H-Pyrazole-5-carboxylic acid, 4,5-dihydro-3,5-dimethyl-, methyl ester 61720-45-4 C7H12N2O2
2(1H)-Pyrazinone, 3,4-dihydro-5-mercapto-3-thioxo- 195617-78-8 C4H4N2OS2
4H-Pyran-4-one, 3,5-dichloro- 54302-87-3 C5H2Cl2O2
(1H-PYRAZOL-3-YL)ACETIC ACID ETHYL ESTER 82668-50-6 C7H10N2O2
1H-Pyrazol-5-ol, 4,5-dihydro-1-(1-iminoethyl)-3,5-dimethyl- 210043-27-9 C7H13N3O
1H-Pyrazole, 5-(2-chloroethyl)-1,3-dimethyl- 54055-32-2 C7H11ClN2
1H-Pyrazole-3-acetic acid, 4-methyl-, hydrazide 144677-15-6 C6H10N4O
1H-Pyrazole-4-carbonitrile, 3,5-diamino- 6844-58-2 C4H5N5
1H-Pyrazol-3-amine, 5-methyl-1-(1-methylpropyl)- 1006481-58-8 C8H15N3
1H-Pyrazolo[1,5-b]pyrazol-2-amine, 1-methoxy- 928337-57-9 C6H8N4O
1H-Pyrazole-4-carboxamide, 3-nitro- 39205-91-9 C4H4N4O3
1H-Pyrazole, 3-(methoxymethyl)-5-propyl- 124806-81-1 C8H14N2O
2H-Pyrazolo[3,4-b]quinoxaline 863637-42-7 C9H6N4
3H-Pyrazolo[5,1-c]-1,2,4-triazole-3-thione, 6-amino-2,7-dihydro- 402758-49-0 C4H5N5S
1H-Pyrazole, 1-(2,2-difluoroethyl)-3,5-dimethyl- 1006959-46-1 C7H10F2N2
1H-Pyrazole-4-methanamine, N-ethyl-3,5-dimethyl- 306747-98-8 C8H15N3
1H-Pyrazole-4-carboxamide, N-ethyl-3-methyl- 952675-25-1 C7H11N3O
1H-Pyrazole, 4-chloro-3-methyl-5-(1-methylethyl)- 855344-11-5 C7H11ClN2
1H-Pyrazol-4-amine, 1-butyl-5-methyl- 1006453-79-7 C8H15N3
1H-Pyrazol-4-amine, 5-ethoxy-1,3-dimethyl- 87675-30-7 C7H13N3O
1H-Pyrazole-4-acetic acid, -alpha--amino-1-hydroxy-, (-alpha-S)- 956618-95-4 C5H7N3O3
1H-Pyrazolo[5,1-c]-1,2,4-triazol-7-amine, 3-ethyl- 227611-01-0 C6H9N5
4H-Pyrazolo[4,3-c]pyridin-4-one, 3-amino-1,5-dihydro- 900863-27-6 C6H6N4O
1H-Pyrazole-4-carbonitrile, 3-[[4-[(4-chlorophenyl)methylene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]carbonyl]-5-(2-furanyl)-1-phenyl- 933065-61-3 C26H16ClN5O3
2(1H)-Pyrazinone, 6-(hydroxymethyl)-3-methyl-, 4-oxide 76823-08-0 C6H8N2O3
1H-Pyrazole-3,4-diamine, 1,5-diethyl- 199341-25-8 C7H14N4
2(1H)-Pyrazinone, 5-methyl-3-(1-methylethyl)- 820250-48-4 C8H12N2O
1H-Pyrazole-3-acetic acid, 4,5-dihydro-5-oxo-, methyl ester 501006-40-2 C6H8N2O3
1H-Pyrazol-4-amine, 3,5-diethyl-1-methyl- 87675-34-1 C8H15N3
1H-Pyrazole-1-carboximidamide, 3,4,5-trimethyl- 141702-17-2 C7H12N4
1H-Pyrazole-4,5-diamine, 1-ethyl-N5,3-dimethyl- 184173-41-9 C7H14N4
1H-Pyrazole-1-carboxylic acid, 3-ethyl-4,5-dihydro-5-methyl-, ethyl ester 413624-91-6 C9H16N2O2
1H-Pyrazole-3-methanol, 5-butyl- 910896-66-1 C8H14N2O
1H-Pyrazolo[5,1-c]-1,2,4-triazole-3-ethanol 197355-89-8 C6H8N4O
1H-Pyrazol-3-amine, 4-(ethylthio)-5-methyl- 73374-03-5 C6H11N3S
3H-Pyrazol-3-one, 4-[(dimethylamino)methyl]-1,2-dihydro-5-methyl- 54952-59-9 C7H13N3O
3H-Pyrazol-3-one, 1,2-dihydro-5-[(methylsulfinyl)methyl]- 72825-99-1 C5H8N2O2S
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