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We offer you access to 127, 000 3D Structures from the NCI database. To retrieve a structure file type its CAS number without parentheses and dashes (e.g., 121664) in the query box, click on the 'retrieve' button and follow 'CHEM.COM' hyperlink in the right window. The files are in the MDL mol format. You will see a rotating 3D structure right away when a free Chime Plug-In is installed in your browser. In your browser settings for temporary Internet files choose to check for newer versions of stored pages 'Each visit to the page'. Otherwise you will see a same structure each time. If you don't know CAS number of your chemical you can search for it by name , by drawing its structure on-line, or by pasting its structure file.
Sample structures from the NCI database
121664 2-Amino-5-nitrothiazole
117793 2-Aminoanthraquinone
95454 Dimethylglyoxime
603350 Triphenylphosphine
88584 2,5-Di-tert-butylhydroquinone
89258 3-Methyl-1-phenyl-2-pyrazolin-5-one
642319 9-Anthraldehyde
638460 n-Butyl ethyl sulphide
5350414 Benzyl trimethylammonium bromide
599677 1,1-Diphenylethanol
3431627 3-Nitrobenzaldoxime
5350572 Benzophenone hydrazone
50044 Cortisone-21-acetate
595915 Triphenylacetic acid
620326 Dibenzyl sulphone
779511 alpha-Methylstilbene
879721 beta-Dimethylaminopropiophenone hydrochloride
1563902 N,N-Di-n-butylacetamide
89952 2-Methylbenzyl alcohol
3002231 6-Methylheptane-2,4-dione
104472 4-Methoxyphenylacetonitrile
1122549 4-Acetylpyridine
76379 2,2,3,3-Tetrafluoro-1-propanol
355806 2,2,3,3,4,4,5,5-Octafluoro-1-pentanol
5325202 (2H)1,4-Benzothiazin-3(4H)-one
79118 Chloroacetic acid
118923 2-Aminobenzoic acid
65850 Benzoic acid
99605 2-Chloro-4-nitrobenzoic acid
81118 4,4'-Diaminostilbene-2,2'-disulphonic acid
5325439 Disodium 1,2-ethanedisulphonate
79141 Glycolic acid
565742 2-Bromoisovaleric acid
532547 Isonitrosoacetophenone
98986 2-Picolinic acid
598721 2-Bromopropionic acid
598787 2-Chloropropionic acid
107948 3-Chloropropionic acid
499832 Pyridine-2,6-dicarboxylic acid
100265 Pyridine-2,5-dicarboxylic acid
490119 Pyridine-3,4-dicarboxylic acid
127173 Pyruvic acid
69727 Salicylic acid
609994 3,5-Dinitrosalicylic acid
96979 5-Nitrosalicylic acid
584930 2-Bromovaleric acid
592358 n-Butyl carbamate
466375 Benzopinacolone
599666 Di-p-tolyl sulphone
119802 2,2'-Dithiosalicylic acid
3368216 4-Isopropylcinnamic acid
99309 2,6-Dichloro-4-nitroaniline
1738256 3-Dimethylaminopropionitrile
95761 3,4-Dichloroaniline
996985 Oxalyl dihydrazide
5326238 6-Chloronicotinic acid
570241 2-Methyl-6-nitroaniline
5326341 4-Bromo-3-nitrotoluene
5326385 2-Iodo-5-nitrotoluene
1821121 4-Phenylbutyric acid
1011923 alpha-Cyanocinnamic acid
581964 2-Naphthylacetic acid
5326476 2-Amino-5-iodobenzoic acid
608300 2,6-Dibromoaniline
80115 N-Methyl-N-nitroso-p-toluenesulphonamide
3299647 N,N'-Dicyclohexyloxamide
5153402 Bromopentamethylbenzene
603690 Ethyl diacetoacetate
607352 8-Nitroquinoline
533675 2-Deoxy-D-ribose
2942598 2-Chloronicotinic acid
533686 Ethyl 2-bromobutyrate
5336903 9-Acridinecarboxylic acid hydrate
791286 Triphenylphosphine oxide
451821 2-Fluorophenylacetic acid
405505 4-Fluorophenylacetic acid
2312154 4-n-Dodecyloxybenzoic acid
105282 2-n-Heptadecylimidazoline
75525 Nitromethane
623767 1,3-Diethylurea
504290 2-Aminopyridine
100607 N-Methylcyclohexylamine
76835 Chlorotriphenylmethane
107960 3-Mercaptopropionic acid
623789 N-Ethylurethane
124685 2-Amino-2-methylpropanol
96297 Methyl ethyl ketoxime
111400 Diethylenetriamine
4263529 2-Bromoethanesulphonic acid sodium salt
1603403 2-Amino-3-methylpyridine
75898 2,2,2-Trifluoroethanol
98895 Cyclohexanecarboxylic acid
110203 Acetone semicarbazone
82451 1-Aminoanthraquinone
108758 2,4,6-Collidine
111411 N-(2-Hydroxyethyl)ethylenediamine
60333 Linoleic acid
110850 Piperazine anhydrous
603327 Triphenylarsine
2700223 Benzylidenemalononitrile
3893230 alpha-Cyclohexylphenylacetonitrile
629118 1,6-Hexanediol
1505506 3-(4-Methylphenyl)propionic acid
867447 S-Methylisothiouronium sulphate
115195 2-Methyl-3-butyn-2-ol
583608 2-Methylcyclohexanone
537451 2,6-Dibromoquinone-4-chloroimide
117806 2,3-Dichloro-1,4-naphthoquinone
1594565 2,4-Dinitrophenyl thiocyanate
5332730 3-Methoxypropylamine
1155620 N-Benzyloxycarbonyl-L-glutamic acid
824555 2,4-Dimethylbenzyl chloride
5394183 N-(4-Bromobutyl)phthalimide
50840 2,4-Dichlorobenzoic acid
371404 4-Fluoroaniline
5332967 4-Nitrophenylacetone
86986 4,7-Dichloroquinoline
818235 8-Pentadecanone
2458120 3-Amino-4-methylbenzoic acid
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