CAS Index

StructureChemical NameCASMF
3,3,3-Trifluoropropyne 661-54-1 C3HF3
(Dimethylamino)fluorodimethylsilane 661-62-1 C4H12FNSi
1,1-Dichloro-2-iodo-1,2,2-trifluoroethane 661-66-5 C2Cl2F3I
Hexamethyldistannane 661-69-8 C6H18Sn2
1-Chloro-1,2,2-trifluorocyclobutane 661-71-2 C4H4ClF3
3-Chlorotetrafluoropropionic acid 661-82-5 C3HClF4O2
1,2-Dibromo-2-chloropentafluoropropane 661-93-8 C3Br2ClF5
1,2-Dibromohexafluoropropane 661-95-0 C3Br2F6
1,1,1,2,2,3-Hexachloro-3,3-difluoropropane 661-96-1 C3Cl6F2
1,2-Dichlorohexafluoropropane 661-97-2 C3Cl2F6
1,3-Dichlorohexafluoropropane 662-01-1 C3Cl2F6
Propanoyl chloride, 2-chloro-3,3,3-trifluoro-2-(trifluoromethyl)- 662-19-1 C4Cl2F6O
2,2-Bis(trifluoromethyl)-2-hydroxyacetic acid 662-22-6 C4H2F6O3
perfluoroperhydrofluoranthene 662-28-2 C16F26
1,1,1,2,2,3,3,4-Octafluorobutane 662-35-1 C4H2F8
Heptafluorobutyramide 662-50-0 C4H2F7NO
7-Chloroperfluoroheptanoyl chloride 662-62-4 C7Cl2F12O
7-Chloroperfluoroheptanoyl fluoride 662-63-5 C7ClF13O
Dimethylbis(1,1,2,2-tetrafluoroethyl)tin(IV) 662-83-9 C6H8F8Sn
ANTI-(1S)-(-)-CAMPHORQUINONE 3-OXIME 9& 663-17-2 C10H15NO2
Ethyl pentafluoropropionylacetate 663-35-4 C7H7F5O3
2,2,3,3-Tetrafluorosuccinonitrile 663-41-2 C4F4N2
2,2,3,3-tetrafluoropropan-1-amine 663-69-4 C3H5F4N
2,2,3,3-Tetrafluoropropionyl chloride 663-73-0 C3HClF4O
N,N,N',N'-Tetramethyl-α,α-difluorosilanediamine 663-77-4 C4H12F2N2Si
Methyl2,3,3,3-tetrafluoro-2-(fluorosulfonyl)propionate 663-78-5 C4H3F5O4S
6α,7α-Diacetoxy-4α,9-epoxy-15α-[(R)-2-methyl-1-oxobutoxy]-3β-[[(Z)-2-methyl-1-oxo-2-butenyl]oxy]cevane-4,14,16β,20-tetrol 663-93-4 C41H61NO13
ACOVENOSIDE A 663-95-6 C30H46O9
1-Bromo-2,3,4-trichloro-1,1,2-trifluorobutane 664-03-9 C4H3BrCl3F3
Ethanethioic acid, difluoro(fluorosulfonyl)-, anhydrosulfide with thiocyanic acid 664-17-5 C3F3NO3S2
(15R)-5β-Hydroxy-15-methyllycopodan-8-one 664-23-3 C16H25NO2
Acrifoline 664-24-4 C16H23NO2
3β,16α-Dihydroxyolean-13(18)-en-28-oic acid 664-40-4 C30H48O4
2,2,3-Trifluoro-succinic acid 664-66-4 C4H3F3O4
glycyclamide 664-95-9 C2H6N2O
methyl ethylphosphonofluoridate 665-03-2 C3H8FO2P
2-azaspiro[3.3]heptane 665-04-3 C6H11N
2,2-Difluorosuccinic acid 665-31-6 C4H4F2O4
1,1,2,2-Tetrafluoroethylthioacetic acid 665-35-0 C4H4F4O2S
2-azaspiro[3.4]octane 665-41-8 C7H13N
Tetraethylammonium fluoride dihydrate 665-46-3 C8H24FNO2
Tetraethylphosphonium tetrafluoroborate 665-49-6 C8H20BF4P
1-Adamantanamine hydrochloride 665-66-7 C10H18ClN
Bis(3,3,3-trifluoropropyl)dichlorosilane 665-98-5 C6H8Cl2F6Si
Sulfuric acid 2-aminoethyl=sodium salt 666-03-5 C2H8NNaO4S
2-azaspiro[3.5]nonane 666-08-0 C8H15N
tetrafluorophenylphosphorane 666-23-9 C6H5F4P
HCFC-241 666-27-3 C3H3Cl4F
1-Bromo-2,3,3,3-tetrafluoropropene 666-32-0 C3HBrF4
2,3-Dibromo-1,1,3,3-tetrafluoropropene 666-40-0 C3Br2F4
ACETONE-D6 666-52-4 C3D6O
[1R-(1alpha,4abeta,4balpha,10aalpha)]-1,2,3,4,4a,4b,5,6,10,10a-decahydro-7-isopropyl-1,4a-dimethylphenanthren-1-methanol 666-84-2 C20H32O
Methyl 3,3,3-trifluoro-2-iodopropionate 666-93-3 C4H4F3IO2
Agaric acid 666-99-9 C22H40O7
4-Methylsulfonylbenzenesulfonamide 667-24-3 C7H9NO4S2
Ethyl bromodifluoroacetate 667-27-6 C4H5BrF2O2
Acetic acid, 2,2,2-trifluoro-, 2-hydroxyethyl ester 667-32-3 C4H5F3O3
dl-ethyl panthenol 667-34-5 C6H8F6O2
2,2,2-Trifluoro-N'-(trifluoroacetyl)acetohydrazide 667-35-6 C4H2F6N2O2
2,3,3-trifluoroacryloyl fluoride 667-49-2 C3F4O
2,3-Butanedione, 1,1,1,4,4,4-hexafluoro-, dioxime 667-63-0 C4H2F6N2O2
BETA-CORTOL 667-65-2 C21H36O5
(3R,5R,8S,9S,10S,13S,14S,17R)-17-[(1R)-1,2-dihydroxyethyl]-3,17-dihydr oxy-10,13-dimethyl-2,3,4,5,6,7,8,9,12,14,15,16-dodecahydro-1H-cyclopen ta[a]phenanthren-11-one 667-66-3 C21H34O5
(20S)-20-Amino-5α-pregnan-3β-ol 667-71-0 C21H37NO
8-Quinolinesulfonic acid, 3-fluoro- 667-75-4 C9H6FNO3S
Pantothenyl ethyl ether 667-83-4 C11H23NO4
(R)-(+)-2,4-Dihydroxy-N-(3-ethoxypropyl)-3,3-dimethylbutyramide 667-84-5 C11H23NO4
4-Pyrimidinamine, 6-fluoro-5-nitro- 667-89-0 C4H3FN4O2
9-Benzhydrylidene-10-anthrone 667-91-4 C27H18O
8-Dichloroacetyl-5-hydroxy-2,7-dimethyl-1,4-naphthoquinone 667-92-5 C14H10Cl2O4
Ammiol 668-10-0 C14H12O6
pyrromycin 668-17-7 C30H35NO11
4-Fluoro-7-Methyl Isatin 668-24-6 C9H6FNO2
Dibenzo[b,mno]fluoranthene 668-30-4 C22H12
FENTIN 668-34-8 C18H15Sn+
11-Methoxy-1,3-dioxolo[4,5-b]acridin-10(5H)-one 668-35-9 C15H11NO4
2-Methyl-4-methoxy-6-oxo-6H-pyran-3-carboxylic acid methyl ester 668-40-6 C9H10O5
3-Nitro-4-hydroxy-6-methyl-2H-pyran-2-one 668-43-9 C6H5NO5
Gibberellin A4+7 (GA4:GA7=65:35) 668-44-0 C5H3F3N4O3
2-Fluoro-6-Chlorobenzonitrile 668-45-1 C7H3ClFN
4-(3,6-dihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid 668-49-5 C24H40O4
17-beta-hydroxyandrost-4-en-3-one nicotinate 668-56-4 C25H31NO3
8,9,10-Trimethoxy-1-methyllycorenan-7-one 668-63-3 C19H23NO5
4,5-Diphenylimidazole 668-94-0 C15H12N2
7-Methyl-3(2H)-benzofuranone 669-04-5 C9H8O2
2,5-Bis(3-hydroxyphenyl)-1,4-benzoquinone 669-23-8 C18H12O4
6-Methyl-2-oxo-2H-pyran-5-carboxylic acid methyl ester 669-40-9 C8H8O4
2-Fluoro-N-(2-Methoxyphenyl)benzaMide, 97% 669-41-0 C14H12FNO2
3-Benzofuranamine, 2,3-dihydro-5-methyl-, hydrochloride (1:1) 669-44-3 C9H12ClNO
5-Chloro-2,3-dihydro-benzofuran-3-ylamine hydrochloride 669-45-4 C8H9Cl2NO
xylocholine 669-50-1 C13H22NO+
difluoromaleic anhydride 669-78-3 C4F2O3
5-Pyrimidinamine, 4,6-difluoro- (9CI) 669-80-7 C4H3F2N3
1,2,6-Trimethylpiperidine 669-81-8 C8H17N
2-oxogluconic acid 669-90-9 C6H10O7
3-Bromo-4,6-dimethyl-2H-pyran-2-one 669-95-4 C7H7BrO2
4(1H)-Pyrimidinone, 2-amino-5-fluoro-6-hydroxy- (9CI) 669-96-5 C4H4FN3O2
1-[2-(trifluoromethyl)phenyl]propan-2-amine 670-04-2 C10H12F3N
5-DifluoroMethyluracil 670-19-9 C5H4F2N2O2
(S)-1,2,3,4,5,6,7,8-octahydro-2,5,5-trimethyl-2-naphthol 670-24-6 C13H22O
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131