StructureChemical NameCASMF
1,6-NAPHTHYRIDINE 253-72-5 C8H6N2
3,4,10-triazabicyclo[4.4.0]deca-1,3,5,7,9-pentaene 253-73-6 C7H5N3
Quinazoline 253-82-7 C8H6N2
Pyrido[3,4-d]pyrimidine (7CI,8CI,9CI) 253-86-1 C7H5N3
Pyrido[4,3-d]pyrimidine (7CI,8CI,9CI) 253-87-2 C7H5N3
Pyrimido[4,5-d]pyridazine (7CI,8CI,9CI) 253-88-3 C6H4N4
5H-Thiopyrano[4,3-d]pyrimidine (8CI,9CI) 253-89-4 C7H6N2S
2H-chromene 254-04-6 C9H8O
Benzoxazine 254-18-2
4H-1,3-benzodioxin 254-27-3 C8H8O2
4H-1,3-Dioxino[4,5-c]pyridine(9CI) 254-30-8 C7H7NO2
1,8-NAPHTHYRIDINE 254-60-4 C8H6N2
Pyrido[2,3-d]pyrimidine (7CI,8CI,9CI) 254-61-5 C7H5N3
Pyrimido[4,5-c]pyridazine (7CI,8CI,9CI) 254-62-6 C6H4N4
Pyrimido[4,5-d]pyrimidine (8CI,9CI) 254-64-8 C6H4N4
7H-Pyrano[2,3-d]pyrimidine (8CI,9CI) 254-69-3 C7H6N2O
5H-Thiopyrano[2,3-d]pyrimidine (8CI,9CI) 254-72-8 C7H6N2S
1,5-NAPHTHYRIDINE 254-79-5 C8H6N2
Pyrido[3,2-d]pyrimidine (7CI,8CI,9CI) 254-80-8 C7H5N3
Pyrimido[5,4-d]pyrimidine (7CI,8CI,9CI) 254-82-0 C6H4N4
Pyrimido[5,4-d]-1,2,3-triazine (9CI) 254-83-1 C5H3N5
Pyrido[3,4-b]pyrazine (6CI,7CI,8CI,9CI) 254-86-4 C7H5N3
Pyrimido[5,4-e]-1,2,4-triazine (9CI) 254-99-9 C5H3N5
Pyrimido[4,5-e]-1,2,4-triazine (9CI) 255-01-6 C5H3N5
5H-Pyrimido[4,5-b][1,4]oxazine (8CI,9CI) 255-12-9 C6H5N3O
7H-Pyrimido[4,5-b][1,4]oxazine (8CI,9CI) 255-13-0 C6H5N3O
1,4-Benzodioxin 255-37-8
1,4-DITHIINO[2,3-B]-1,4-DITHIIN, 97 255-55-0 C6H4S4
4H,6H-Pyrido1,2-c1,3,5oxadiazine 255-85-6 C7H8N2O
10H-Dibenzo[a,d]cycloheptene 256-80-4
5H-dibenzo[a,d]cycloheptene 256-81-5 C15H12
11H-Dibenz[b,e]azepine 256-86-0
dibenzo(c,f)(1,2)diazepine 256-90-6
11H-Dibenzo[c,f][1,2]diazepine 256-91-7
Iminostilbene 256-96-2 C14H11N
Dibenz[b,f]oxepin 257-05-6
Dibenz-(b,f)-1,4-oxazephine 257-07-8 C13H9NO
Dibenzo[b,f]thiepin 257-13-6
heptalene 257-24-9 C12H10
GALLIUM ETHOXIDE 257-25-0 C6H15GaO3
Benz[b]acridine 257-89-6
N,N'-(2,3-Naphthalenediyl)-1,2-benzoquinone diimine 257-97-6
Hexacene 258-31-1 C26H16
2,3:6,7-Bis[1,3]butadienobiphenylene 258-47-9
Dibenzo[b,i]phenazine 258-76-4
13H-Dibenzo[b,i]phenothiazine 258-78-6
Benzo[b]naphtho[2,3-f][1,4]diazocine 258-91-3 C18H14N2
Pentacyclo[6,4,0,0] 2,7 [0]4,11,[0]5,10 dodecane 259-77-8
BIPHENYLENE 259-79-0 C12H8
Biphenylene 259-79-0 C12H8
1,8-DIAZABIPHENYLENE 259-84-7 C10H6N2
4H-Naphtho2,3-d-1,3,2-dioxathiin 260-47-9
Benzo[g]quinoxaline 260-50-4 C12H8N2
4,5-Didehydro-4H-benzo[b]quinolizine-5-ium 260-62-8
pyriMido[4,5-g]quinazoline 260-75-3 C10H6N4
Acridine 260-94-6 C13H9N
2,3-Benzoquinoline 260-94-6 C13H9N
benzo(b)1,5-naphthyridine 261-05-2
Xanthylium 261-23-4 C13H9O
5H-[1]Benzopyrano[2,3-b]pyridine 261-27-8 C12H9NO
THIOXANTHENE 261-31-4 C13H10S
TELLUROXANTHENE 261-42-7 C13H10Te
1,3,9,10-Tetraazaanthracene 261-65-4
10H-pyrido(3,2-b)(1,4)benzothiazine 261-96-1 C11H8N2S
1,2-DIAZAPHENOTHIAZINE 261-99-4 C10H7N3S
10H-phenoselenazine 262-05-5 C12H9NSe
BISCHLOROACETYLETHYLINEDIAMINE 262-09-9 C6H10Cl2N2O2
DIBENZO-P-DIOXIN 262-12-4 C12H8O2
1,4-DIOXINO(2,3,B,5,6,B')DIPYRIDINE 262-16-8 C23H21N3O5
PHENOXATHIIN 262-20-4 C12H8OS
9-Oxa-10-selenaanthracene 262-22-6
3,4-Methylenedioxy benzylamine 262-50-0
Corrinoid 262-76-0 C19H22N4
PhenylboronicAcidAnhydride(2,4,6-TriphenylBoroxine) 262-89-3
Dibenzo[a,e]cyclooctene 262-89-5 C16H12
Dibenzo[c,g][1,2]diazocine 262-98-6
phenhomazine 262-99-7
BENZOCYCLOHEPTATRIENE 264-09-5 C11H10
2H-2-Benzazepine 264-17-5
Oxepino4,5-cpyridine 264-33-5 C9H7NO
5H-Cycloheptapyrimidine (8CI,9CI) 264-95-9 C9H8N2
9H-Cycloheptapyrimidine (8CI,9CI) 264-96-0 C9H8N2
6H-Pyrimido[4,5-e][1,4]diazepine (8CI,9CI) 264-98-2 C7H6N4
2H-Pyrimido[4,5-f]-1,2,4,5-tetrazepine (9CI) 265-17-8 C5H4N6
5H-Indeno[5,6-d]isoxazole(9CI) 267-26-5 C10H7NO
Benzo[1,2-b:4,5-c]difuran (8CI,9CI) 267-36-7 C10H6O2
Furo[3,4-f]-1,2-benzisoxazole (9CI) 267-37-8 C9H5NO2
1H-Furo[3,4-f]benzimidazole(8CI,9CI) 267-39-0 C9H6N2O
Furo[3,4-f]benzothiazole (8CI,9CI) 267-41-4 C9H5NOS
5H-Furo[2,3-f]indole 267-47-0 C10H7NO
5,6-METHYLENEDIOXYINDOLE 267-48-1 C9H7NO2
4H,8H-Benzo[1,2-c:5,4-c]diisoxazole(8CI,9CI) 267-53-8 C8H6N2O2
[1,3]Dioxolo[4,5-f]-2,1-benzisoxazole(8CI,9CI) 267-54-9 C8H5NO3
Benzo[1,2-b:5,4-b]difuran (8CI,9CI) 267-56-1 C10H6O2
Furo[3,2-f]-1,2-benzisoxazole (8CI,9CI) 267-57-2 C9H5NO2
Benzo[1,2-b:4,5-b]difuran (8CI,9CI) 267-58-3 C10H6O2
Benzo[1,2-d:5,4-d]diisoxazole (8CI,9CI) 267-60-7 C8H4N2O2
Benzo[1,2-b:5,4-b']dithiophene 267-61-8 C10H6S2
Thieno[3,2-f]benzothiazole (8CI,9CI) 267-63-0 C9H5NS2
Benzo[1,2-b:4,5-b']dithiophene 267-65-2 C10H6S2
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105