A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Description
CAS Number
Molecular Formula
2-Pyrazolin-5-one, 4-acetamido-3-methyl- (6CI)
99357-28-5
C6H9N3O2
Pyrazine, 2,3-diethyl-1,2,5,6-tetrahydro-5-methyl-
539826-79-4
C9H18N2
4-Pyrazolidinethiol, 1,2-diethyl-
72911-69-4
C7H16N2S
Pyrazol-3-ol, 5-(aminomethyl)-, acetate (ester) (8CI)
801215-28-1
C6H9N3O2
Pyrazine, 3-ethoxy-1,2-dihydro-2,5-dimethyl-
747366-83-2
C8H14N2O
Pyrazole-1-ethanol, 5-amino-3,4-dimethyl- (7CI)
89896-32-2
C7H13N3O
3,4-Pyrazolidinedione, 5-imino-1,2-dimethyl-, 4-oxime
69386-73-8
C5H8N4O2
Pyrazolo[1,5-a]pyridine, 2-ethyl-4,5,6,7-tetrahydro-
419571-53-2
C9H14N2
2-Pyrazinemethanol, -alpha--(chloromethyl)-
672950-04-8
C6H7ClN2O
Pyrazolo[4,3-b][1,4]oxazine, 2,5,6,7-tetrahydro-2,7-dimethyl-
92616-04-1
C7H11N3O
3-Pyrazolin-5-one, 4-allyl-1,3-dimethyl- (5CI)
856847-41-1
C8H12N2O
2-Pyrazoline, 3-(5-methyl-2-furyl)- (7CI)
90006-92-1
C8H10N2O
3-Pyrazolidinemethanamine, 1,2-diethyl-
155429-85-9
C8H19N3
Pyrazinecarbonitrile, 3-amino-, 1,4-dioxide (9CI)
54632-16-5
C5H4N4O2
Pyrazolo[1,5-a]pyrimidin-5(4H)-one, 2-amino-6,7-dihydro-
68176-11-4
C6H8N4O
Pyrazole-3-carboxamide, 4-amino-5-methylthio- (8CI)
28668-18-0
C5H8N4S
2,5-Pyrazinedinitrile, 3,6-dimethyl- (2CI)
861554-17-8
C8H6N4
Pyrazole N-Demethyl Sildenafil-d3
C21H27N6O4S
Pyrazolo[1,5-d][1,2,4]triazin-4(5H)-one, 2-methyl-
40535-06-6
C6H6N4O
3-Pyrazolidone, 5-imino-4-ureido- (4CI)
854700-16-6
C4H7N5O2
4-Pyrazolidinone, 1,2-diacetyl-, 4-oxime
932370-32-6
C7H11N3O3
1-PYRAZIN-2-YL-BUTYLAMINE
885275-28-5
C8H13N3
3-[(4-(3-(PYRAZIN-2-YL)-1,2,4-OXADIAZOL-5-YL)PIPERIDIN-1-YL)CARBONYL]BICYCLO[2.2.1]HEPT-5-ENE-2-CARBOXYLIC ACID
C20H21N5O4
PYRAZINE-2,5-DICARBOXYLIC ACID 2-AZIDOMETHYL ESTER 5-METHYL ESTER
C8H7N5O4
Pyrazolo[1,5-a]pyridine-2-carboxylic acid
63237-88-7
C8H6N2O2
2-(2-PYRAZINYL)QUINOLINE
C13H9N3
PYRAZOL FAST SCARLET RL
Pyrazolo[1,5-a]pyridin-3-carbaldehyde
73957-66-1
C8H6N2O
PYRAZINE-2,3-DICARBOXYLIC ACID MONOAMIDE
67367-37-7
C6H5N3O3
Pyrazolo[1,5-a]pyridine-3-carboxylic acid
16205-46-2
C8H6N2O2
4-PYRAZIN-2-YLBENZALDEHYDE
127406-08-0
C11H8N2O
PYRAZOLATE
58011-68-0
C19H16Cl2N2O4S
4-[4-(PYRAZIN-2-YL)-1H-PYRAZOL-1-YL]BENZOIC ACID
C14H10N4O2
PYRAZOL FAST TURQUOISE FBL
PYRAZOLO[1,5-A]PYRIMIDINE-2-CARBOXYLIC ACID
378211-85-9
C7H5N3O2
5-(PYRAZIN-2-YL)-2-(PYRIDIN-2-YL)-4-[4-(TRIFLUOROMETHYL)PHENYL]PYRIMIDINE
C20H12F3N5
2-PYRAZIN-2-YL-1-[4-(TRIFLUOROMETHYL)PHENYL]ETHANONE
C13H9F3N2O
PYRAZOLE-72
85833-79-0
C38H26N4O2
PYRAZOLO[1,5-A]PYRIDINE-3-CARBOXYLIC ACIDETHYL ESTER
C10H10N2O2
1-PYRAZOL-1-YLMETHYL-1 H-PYRAZOLE-3-CARBOXYLIC ACID HYDRAZIDE
C8H10N6O
3-PYRAZIN-2-YL-1,2,4-OXADIAZOLE-5-CARBOXHYDRAZIDE
C7H6N6O2
Pyrazinamine,3,4,5,6-tetrahydro-4,6-dimethyl-
754164-71-1
C6H13N3
Pyrazolo[3,4-b]azepine, 3-(2-benzofuranyl)-1-(3-bromophenyl)-1,4,5,6,7,8-hexahydro- (9CI)
581773-79-7
C21H18BrN3O
Pyrazino[1,2-a]indole, 6,9-difluoro-1,2,3,4,10,10a-hexahydro-4-methyl-, (4R,10aR)- (9CI)
793659-98-0
C12H14F2N2
Pyrazolo[1,5-a]pyrimidine, 6-(1-methylethyl)- (9CI)
83724-76-9
C9H11N3
Pyrazinecarboxylic acid, 3-[[(dimethylamino)methylene]amino]-, methyl ester
134540-17-3
C9H12N4O2
Pyrazine, 2,3-dihydro-5-methyl-6-(2-methylpropyl)- (9CI)
15986-97-7
C9H16N2
Pyrazino[1,2-a]indole, 8-ethoxy-1,2,3,4-tetrahydro- (9CI)
126718-20-5
C13H16N2O
Pyrazinecarboxaldehyde, 3-(1,1-dimethylethoxy)- (9CI)
614729-22-5
C9H12N2O2
Pyrazinecarboxamide, N-[3-(2-furanyl)-1-methylpropyl]- (9CI)
606132-10-9
C13H15N3O2
Pyrazine, 3-ethyl-2,5-dimethyl-, 1-oxide (9CI)
183021-23-0
C8H12N2O
Pyrazinecarboxamide, 5-methyl-N-[4-(4-morpholinyl)phenyl]- (9CI)
606132-22-3
C16H18N4O2
Pyrazinamine, 4-oxide (9CI)
6863-77-0
C4H5N3O
Pyrazinamine, 5,6-dimethyl-3-(methylthio)- (9CI)
87444-27-7
C7H11N3S
Pyrazolo[3,4-b]azepine, 3-(2-benzofuranyl)-1,4,5,6,7,8-hexahydro-1-(4-iodophenyl)- (9CI)
575430-40-9
C21H18IN3O
Pyrazinecarboxylic acid, 5,6-dimethyl-3-(methylamino)- (7CI)
90091-00-2
C8H11N3O2
Pyrazine, 2-(1-methylethenyl)-6-(1-methylethyl)- (9CI)
704909-06-8
C10H14N2
Pyrazinecarboxamide, N-[1-(aminomethyl)propyl]-5-methyl- (9CI)
792907-21-2
C10H16N4O
Pyrazinecarboxamide, N-[2-(cyclohexylamino)-1-(1,3-dimethyl-1H-pyrazol-4-yl)-2-oxoethyl]-N-(4-phenoxyphenyl)- (9CI)
478341-98-9
C30H32N6O3
Pyrazolo[1,5-a]pyridin-3-amine, N,N,2-triethyl- (9CI)
605672-83-1
C13H19N3
Pyrazinecarboxamide, 5-(1-methylethyl)- (9CI)
111035-35-9
C8H11N3O
Pyrazino[2,3-b]pyrazine, decahydro-2,7-dimethyl-, (2-alpha-,4a-alpha-,7-ba-,8a-ba-)- (9CI)
133859-63-9
C8H18N4
Pyrazolo[1,5-a]pyrimidine, 6,7-dihydro-5-(1-methylethyl)- (9CI)
170886-49-4
C9H13N3
Pyrazolo[1,5-a]pyrimidin-3-amine, 5-methyl- (9CI)
232600-96-3
C7H8N4
Pyrazolo[1,5-a]pyrimidine-3-carbonyl chloride, 2-methyl- (9CI)
96319-39-0
C8H6ClN3O
Pyrazole-4-carbonitrile, 3-amino-1-isopropyl- (7CI)
89897-29-0
C7H10N4
Pyrazolo[1,5-a]pyrazine-7-carboxaldehyde, 4,6-dimethyl- (9CI)
143983-73-7
C9H9N3O
Pyrazinecarboxamide, N-dibenzofuran-3-yl-5-methyl- (9CI)
606096-80-4
C18H13N3O2
Pyrazinecarboxamide, N-(1,3-benzodioxol-5-ylmethyl)-5-methyl- (9CI)
606096-87-1
C14H13N3O3
Pyrazinol, 2,3-dihydro-3,3-dimethyl-, 1,4-dioxide (9CI)
88571-67-9
C6H10N2O3
Pyrazinecarbothioamide, 6-(methylamino)- (9CI)
66996-92-7
C6H8N4S
Pyrazine, trimethyl(2-methylpropyl)- (9CI)
46187-37-5
C11H18N2
Pyrazolo[3,4-b]azepine, 3-(2-benzofuranyl)-1,4,5,6,7,8-hexahydro-1-[2-(trifluoromethyl)phenyl]- (9CI)
578702-94-0
C22H18F3N3O
Pyrazinecarboxamide, N-[4-[[(2-methylpropyl)amino]sulfonyl]phenyl]- (9CI)
606098-36-6
C15H18N4O3S
Pyrazine, 5-ethyl-3-methoxy-2-methyl- (9CI)
134079-38-2
C8H12N2O
Pyrazino[2,1-a]isoindole, 1,2,3,4,6,10b-hexahydro-1-methyl-, cis- (9CI)
79017-20-2
C12H16N2
Pyrazinecarboxamide, 3-(1-methylethyl)- (9CI)
104893-55-2
C8H11N3O
Pyrazinecarboxamide, 6-fluoro- (9CI)
356783-47-6
C5H4FN3O
Pyrazolo[1,5-a]pyrimidine-2-carboxamide, 5-(1-methylethyl)-N-[4-(1H-tetrazol-1-yl)phenyl]-7-(trifluoromethyl)- (9CI)
606096-57-5
C18H15F3N8O
Pyrazole, 5-butadiynyl-1-methyl- (8CI)
26037-11-6
C8H6N2
Pyrazolo[1,5-a]pyridine-3,7-diamine (9CI)
340961-89-9
C7H8N4
Pyrazinamine, 5-methyl-, 4-oxide (9CI)
103965-77-1
C5H7N3O
Pyrazinecarboxamide, 1-oxide (8CI,9CI)
32046-08-5
C5H5N3O2
Pyrazinecarboxylic acid, trimethyl- (9CI)
186534-01-0
C8H10N2O2
Pyrazolo[4,3:3,4]pyrrolo[1,2-a]benzimidazole (9CI)
673474-07-2
C11H6N4
Pyrazinoyl chloride, 3-hydroxy- (6CI)
98136-34-6
C5H3ClN2O2
Pyrazolo[1,5-a]pyrimidine-2-carboxamide, 5,7-dimethyl-N-(4,5,6,7-tetrahydro-2-benzothiazolyl)- (9CI)
606117-75-3
C16H17N5OS
Pyrazinecarboxamide, N-[(2,4-dimethoxyphenyl)methyl]- (9CI)
606132-14-3
C14H15N3O3
Pyrazolo[1,5-a]pyridine, 2-ethyl-3-[(1Z)-1-methyl-1-propenyl]- (9CI)
605673-31-2
C13H16N2
Pyrazolo[3,4-b]azepine, 3-(2-benzofuranyl)-1,4,5,6,7,8-hexahydro-1-[4-(trifluoromethyl)phenyl]- (9CI)
582291-26-7
C22H18F3N3O
Pyrazinecarbonitrile, 3-amino-6-(1-propenyl)-, 4-oxide, (Z)- (9CI)
40132-91-0
C8H8N4O
Pyrazolo[3,4-b]azepine, 3-(1-ethyl-4-piperidinyl)-1,4,5,6,7,8-hexahydro- (9CI)
585520-35-0
C14H24N4
Pyrazine, 2,3-dimethyl-5-(2-methylpropyl)-, 4-oxide (9CI)
143463-88-1
C10H16N2O
Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, 6-ethyl-7-hydroxy-5-methyl- (9CI)
656818-38-1
C10H11N3O3
3-(3-PYRAZIN-2-YL-1,2,4-OXADIAZOL-5-YL)PROPANOIC ACID
C9H8N4O3
Pyrazinecarbonitrile, 5,6-dimethyl-3-(2-propenyl)- (9CI)
173417-49-7
C10H11N3
Pyrazinecarboxylic acid, 3-amino-6-ethyl-, methyl ester (7CI,8CI)
2231-51-8
C8H11N3O2
Pyrazineacetic acid, 3-amino-4,5-dihydro-5-thioxo- (9CI)
161143-84-6
C6H7N3O2S
Pyrazino[2,1-a]isoindole, 1,2,3,4,6,10b-hexahydro-1-methyl- (9CI)
79017-19-9
C12H16N2
Pyrazine, [5-[[(tetrahydro-2-furanyl)methyl]thio]-1,3,4-oxadiazol-2-yl]- (9CI)
604740-32-1
C11H12N4O2S
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
Copyright 2007© ChemicalBook. All rights reserved.