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StructureChemical NameCASMF
3H-Pyrazol-3-one,2-(3-ethylcyclopentyl)-2,4-dihydro-5-methyl-(9CI) 634586-05-3 C11H18N2O
2H-Pyrano[4,3-d]oxazol-2-one,4-ethoxyhexahydro-1,6-dimethyl-,[3aR-(3aalpha,4bta,6alpha,7abta)]-(9CI) 155382-41-5 C10H17NO4
1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 1-methyl- (9CI) 5334-99-6 C6H7N5
2(1H)-Pyrazinone,5-amino-3,6-dihydro-3-methyl-,(S)-(9CI) 109924-00-7 C5H9N3O
1H-Pyrazole, 3,4-diethynyl-1-methyl- (9CI) 34091-64-0 C8H6N2
1H-Pyrazole,3,5-diethyl-4-[(tetrahydro-2H-pyran-4-yl)oxy]-(9CI) 476692-22-5 C12H20N2O2
1H-Pyrazole-3-carboxaldehyde,oxime(9CI) 30192-58-6 C4H5N3O
2H-Pyrazino[1,2-a]pyrimidin-2-one,3,4-dihydro-(9CI) 781552-10-1 C7H7N3O
2H-Pyran-3-carboxylicacid,4-aminotetrahydro-6-methoxy-2-methyl-,methylester,(2alpha,3beta,4beta,6beta)- 73844-75-4 C9H17NO4
5H-Pyrazolo[3,4-b]quinolin-5-one,1,6,7,8-tetrahydro-1,3,7,7-tetramethyl-(9CI) 556016-19-4 C14H17N3O
1H-Pyrazole-3-carboxylic acid, 1-[3-[[4-chloro-6-[(3-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-methyl-5-sulfophenyl]-4-[[4-[[4-chloro-6-[(3-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]azo]-4,5-dihydro-5-oxo-, tetrasodium 71113-18-3 C35H22Cl2N14Na4O15S4
1H-Pyrazole-3-carboxamide,1,5-dimethyl-(9CI) 54384-74-6 C6H9N3O
3H-Pyrazolo[4,3-d]pyrimidine (8CI,9CI) 272-56-0 C5H4N4
2H-Pyran-2,4(3H)-dione, 3-[1-(ethoxyamino)ethylidene]-6-methyl- (9CI) 695807-03-5 C10H13NO4
2H-Pyran-3(6H)-one, 6-hydroxy-2-(hydroxymethyl)- (9CI) 135029-81-1 C6H8O4
1H-Pyrazole-4-carboxamide,N-cyclohexyl-N-[2-[(1,1-dimethylethyl)amino]-2-oxoethyl]-1-(1-methylethyl)-(9CI) 604754-66-7 C19H32N4O2
4H-Pyrazolo[3,4-d]pyrimidin-4-one,6-ethyl-1,5-dihydro-3-(1-methylethyl)-(9CI) 501916-70-7 C10H14N4O
3H-Pyrazol-3-one, 5-amino-4,4-diethyl-2,4-dihydro- (9CI) 412301-33-8 C7H13N3O
1H-Pyrazol-3-amine, 1-(chloroacetyl)- (9CI) 155347-67-4 C5H6ClN3O
2H-Pyran-2-one, 4-(2Z)-2-butenyl-5,6-dihydro- (9CI) 507470-46-4 C9H12O2
1H-Pyrazole-4-methanol, 1-methyl-5-nitro- (9CI) 304015-78-9 C5H7N3O3
2H-Pyran-2-one, 5-acetyl- (9CI) 169167-69-5 C7H6O3
1H-Pyrazole-3-carboxamide,4-hydroxy-5-methyl-(9CI) 76491-20-8 C5H7N3O2
4H-Pyrano[4,3-c]isoxazole-4,6(7H)-dione,3-methyl-(9CI) 93276-84-7 C7H5NO4
1H-Pyrazole-4-carbonyl chloride, 1-methyl- (9CI) 79583-19-0 C5H5ClN2O
1H-Pyrazole-5-carbonyl chloride, 3-chloro-1-methyl- (9CI) 173841-83-3 C5H4Cl2N2O
1H-Pyrazole-3-carbonyl chloride, 4-chloro-1,5-dimethyl- (9CI) 189224-46-2 C6H6Cl2N2O
4H-Pyran-2-butanamide, 6-hydroxy-ba,4-dioxo- (9CI) 254732-97-3 C9H9NO5
1H-Pyrazole-1-carbonyl chloride, 3,5-dimethyl- (9CI) 49652-39-3 C6H7ClN2O
4H-Pyrano[3,4-d]oxazol-2(3H)-one,tetrahydro-6-hydroxy-7-methoxy-4,7a- 374072-90-9 C9H15NO5
3H-Pyrazol-3-one, 2,4-dihydro-4-(1-hydroxyethylidene)-2,5-dimethyl-, (4Z)- 179985-33-2 C7H10N2O2
1H-Pyrazolo[3,4-d]pyrimidin-4-ol (9CI) 180749-08-0 C5H4N4O
4H-Pyran-4-one,2-hydroxy-6-methyl-(9CI) 70254-61-4 C6H6O3
2H-Pyran-2-one,6-(3,4-dihydroxyphenyl)tetrahydro-(9CI) 543681-90-9 C11H12O4
2H-Pyran-3(6H)-one,5-amino-2,2-dimethyl-(9CI) 372120-56-4 C7H11NO2
1H-Pyrazole-4-carboxamide,N-[2-(cyclopentylamino)-2-oxoethyl]-1-(1-methylethyl)-N-(phenylmethyl)-(9CI) 604754-68-9 C21H28N4O2
3H-Pyrazol-3-one, 1,2-dihydro-1,5-dimethyl-4-(1-methylethyl)- (9CI) 760971-68-4 C8H14N2O
1H-Pyrazole-3-carboxamide,N-(3-methylphenyl)-4-nitro-(9CI) 378199-22-5 C11H10N4O3
1H-Pyrazole-1-ethanamine,3,5-diethyl-4-(ethylthio)-(9CI) 561034-28-4 C11H21N3S
1H-Pyrazole-3-carboxylicacid,butylester(9CI) 122609-00-1 C8H12N2O2
1H-Pyrazole-5-methanamine,1-acetyl-N,N,3-triethyl-4,5-dihydro-(9CI) 768371-00-2 C12H23N3O
1H-Pyrazole, 1-(bromoacetyl)-3,5-dimethyl- (9CI) 83612-48-0 C7H9BrN2O
1H-Pyrazole-4,5-diamine,1-ethyl-(9CI) 155601-15-3 C5H10N4
4H-Pyran-4-one, tetrahydro-3-(trifluoroacetyl)- (9CI) 158351-87-2 C7H7F3O3
1H-Pyrazole-4-carboxylicacid,5-amino-1-methyl-3-(trifluoromethyl)-(9CI) 317806-51-2 C6H6F3N3O2
2H-Pyrazolo[3,4-b]pyridin-3-ol, 6-methyl- (9CI) 757142-59-9 C7H7N3O
2H-Pyran-6-carboxaldehyde, 4-hydroxy-2-oxo- (9CI) 147647-75-4 C6H4O4
2H-Pyran-3-carboxylic acid, 4-hydroxy-6-methyl-2-oxo-, 1-methylethyl ester (9CI) 627093-96-3 C10H12O5
1H-Pyrazole,4-bromo-5-ethoxy-3-methyl-(9CI) 337915-60-3 C6H9BrN2O
2H-Pyran-2-one,5,6-dihydro-5-methyl-6-(1-methylethyl)-,cis-(9CI) 177469-18-0 C9H14O2
2H-Pyran-3-ol, tetrahydro-6-methoxy-2-methyl- (9CI) 499213-79-5 C7H14O3
2H-Pyran-5-carboxylicacid,3,4-dihydro-,ethylester(9CI) 773134-98-8 C8H12O3
1(4H)-Pyrazinamine,4-methyl-(9CI) 156892-28-3 C5H9N3
1H-Pyrazole-5-carboxylicacid,4-hydroxy-1,3-dimethyl-,methylester(9CI) 166315-80-6 C7H10N2O3
4H-Pyrazolo[3,4-d]pyrimidin-4-one,1,2-dihydro-2,3-dimethyl-6-propyl-(9CI) 799295-94-6 C10H14N4O
2H-Pyran-4-carboxamide,tetrahydro-2,2-dimethyl-N-(3-methylphenyl)-(9CI) 500160-59-8 C15H21NO2
2H-Pyran,3,4-dihydro-2,2,6-trimethyl-3-[(E)-(2-methyl-2-cyclopenten-1-ylidene)methyl]-,(3S)-(9CI) 784201-52-1 C15H22O
4H-Pyrazolo[1,5-a]benzimidazole-2,3-diamine(9CI) 227611-69-0 C9H9N5
4-(1H-PYRAZOL-4-YL)BUT-3-YN-1-OL C7H8N2O
1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-, coupled with diazotized 2'-(4-aminophenyl)-6-methyl[2,6'-bibenzothiazole]-7-sulfonic acid, diazotized 2''-(4-aminophenyl)-6-methyl[2,6':2',6''-terbenzothiazole]-7-sulfonic 90552-32-2 C10H8N2O6S
1H-Pyrazole,1-(4-chloro-1-oxobutyl)-(9CI) 560090-41-7 C7H9ClN2O
1H-Pyrazolo[4,3-g]-2,1-benzisoxazole(9CI) 740840-15-7 C8H5N3O
2H-Pyran-3-amine,tetrahydro-6-methoxy-2-methyl-,(2R,3R,6S)-(9CI) 496800-40-9 C7H15NO2
2H-Pyran-2-methanol,6-ethyl-3,6-dihydro-alpha,5-dimethyl-alpha-(1Z)-1-propenyl-,(alphaR,2R,6R)-(9CI) 393530-62-6 C13H22O2
1H-Pyrazole-4-ethanamine,5-amino-1-methyl-,dihydrochloride(9CI) 474956-76-8 C6H12N4.2ClH
1H-Pyrazole-1-carboxamide,N,3-dimethyl-(9CI) 70584-10-0 C6H9N3O
6H-Pyrazolo[3,4-d]pyrimidin-6-one,4-amino-1,5-dihydro-,hydrazone(9CI) 443312-69-4 C5H7N7
1H-Pyrazole-3,4-diamine,1-methyl-5-(1-methylethyl)-(9CI) 199342-18-2 C7H14N4
1H-Pyrazol-3-amine,5-(3-ethoxyphenyl)-(9CI) 502132-94-7 C11H13N3O
1H-Pyrazole-4-carboxylicacid,5-amino-1-methyl-3-(methylthio)-,methylester(9CI) 158712-31-3 C7H11N3O2S
1H-Pyrazole-1-aceticacid,alpha,3,5-trimethyl-4-nitro-,[(3,5-dibromo-2-hydroxyphenyl)methylene]hydrazide(9CI) 606487-56-3 C15H15Br2N5O4
2H-Pyran-2,4-diol,tetrahydro-6-(1-methylethyl)-,[2R-(2alpha,4bta,6alpha)]-(9CI) 170114-50-8 C8H16O3
1H-Pyrazole-1-carbonyl chloride, 4-butyl-3,5-dimethyl- (9CI) 67514-69-6 C10H15ClN2O
1H-Pyrazole-4-carbonylchloride,1-methyl-5-nitro-(9CI) 121568-18-1 C5H4ClN3O3
1H-Pyrazole-5-carboxylicacid,1-amino-3-methyl-,methylester(9CI) 150017-57-5 C6H9N3O2
5H-Pyrano[3,2-d]thiazole-6,7-diol, 3a,6,7,7a-tetrahydro-5-(hydroxymethyl)-2-methyl-, (3aR,5R,6R,7R,7aR)- (9CI) 434942-46-8 C8H13NO4S
2H-Pyran-2-one, 3-(bromoacetyl)- (9CI) 214046-09-0 C7H5BrO3
1H-Pyrazole-5-carbonyl chloride, 1-cyclobutyl-3-methyl- (9CI) 129506-39-4 C9H11ClN2O
4H-Pyran-4-one, 2,3-dihydro-6-(hydroxymethyl)-2-methyl-, (2S)- (9CI) 146064-66-6 C7H10O3
1H-Pyrazolo[4,3-d]pyrimidin-5-amine, 7-methyl- (9CI) 63019-49-8 C6H7N5
3H-Pyrazol-3-one,5-ethoxy-2,4-dihydro-2-(1-methylethyl)-(9CI) 344361-24-6 C8H14N2O2
2H-Pyran-3-carboxaldehyde, tetrahydro-2,2-dimethyl- (9CI) 127441-14-9 C8H14O2
1H-Pyrazolo[3,4-f]benzothiazol-6-amine,3-chloro-(9CI) 52347-65-6 C8H5ClN4S
2H-Pyran-4-amine, tetrahydro-2,6-dimethyl- (9CI) 496794-81-1 C7H15NO
2H-Pyran-2-one,5,6-dihydro-4-hydroxy-6-methyl-6-phenyl-(9CI) 807609-60-5 C12H12O3
1H-Pyrazole-1-ethanamine,5-amino-N,N,3-trimethyl-(9CI) 685892-22-2 C8H16N4
1H-Pyrazole-1-aceticacid,4-nitro-,[[4-[(4-chlorobenzoyl)oxy]phenyl]methylene]hydrazide(9CI) 606484-00-8 C19H14ClN5O5
1H-Pyrazole-3,4-diamine,5-methyl-1-(1-methylethyl)-(9CI) 199341-41-8 C7H14N4
1H-Pyrazolo[3,4-g]isoquinoline,3-ethyl-4,4a,5,6,7,8,8a,9-octahydro-6-methyl-,(4aR,8aR)-rel-(9CI) 683199-64-6 C13H21N3
2H-Pyran-2-one, 6-(2-methyl-1-propenyl)- (9CI) 412018-52-1 C9H10O2
2H-Pyran-2-carboxaldehyde, tetrahydro-4-methyl-6-oxo- (9CI) 247246-47-5 C7H10O3
1H-Pyrazole-1-carboxamide,N-(1S,2R,4R)-7-azabicyclo[2.2.1]hept-2-yl-4- 655787-85-2 C11H16N4OS
1H-Pyrazole-4-aceticacid,alpha-amino-3,5-dimethyl-,(S)-(9CI) 736904-89-5 C7H11N3O2
1H-Pyrazole,1-(2-furanylcarbonyl)-(9CI) 560076-63-3 C8H6N2O2
2H-Pyran-3-carboxaldehyde, tetrahydro-3,5-dimethyl-6-oxo- (9CI) 677326-34-0 C8H12O3
1H-Pyrazole,1-[3-(2-furanyl)-1-oxo-2-propenyl]-(9CI) 544441-72-7 C10H8N2O2
1H-Pyrazolo[3,4-d]pyrimidine,4-(butylmethylamino)-1-methyl-(8CI) 801987-97-3 C11H17N5
1H-Pyrazole-3-carboxamide,1-ethyl-N-(4-methylphenyl)-(9CI) 514855-35-7 C13H15N3O
2H-Pyran,3-ethenyl-5,6-dihydro-2-(1-methylethyl)-(9CI) 160203-94-1 C10H16O
1H-Pyrazol-3-amine,1,4-dimethyl-(9CI) 85485-61-6 C5H9N3
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