encyclopedia of medical concepts
ψ 
ψ 

Isomerism

More information in Books or onNLM PubMed
Definition: The phenomenon whereby certain chemical compounds have structures that are different although the compounds possess the same elemental composition. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed)  NIM; no qualif    Other names Isomerisms
 
SubstanceCAS Registry & nameCategoriesSource
BT peptide antibiotic, Brevibacillus texasporus  0   *Oligopeptides Isomerism. Appl Environ Microbiol 2005 Dec;71(12):8519-30
trans-diptoindonesin B  0   *Stilbenes Isomerism. Phytochemistry. 2003 Aug;63(8):913-7
methyl 8-hydroxy-11-octadecen-9-ynoate  0   *Alkynes Isomerism. Lipids 1998 Sep;33(9):941-5
3-acetylaminofluorene  6292-55-3 Acetamide, N-9H-fluoren-3-yl  *2-Acetylaminofluorene Isomerism.
HS 974  0   *Pregnenes Isomerism. Steroids 1995 Oct;60(10):713-9
FCE 26743  133865-89-1   *Benzylamines Alanine/*analogs & derivatives Isomerism. J Pharm Pharmacol 1994 Oct;46(10):814-9
delta-hexachlorocyclohexane  319-86-8   *Lindane Isomerism. Neurotoxicology 1993 Winter;14(4):451-8
9,15-octadecadienoic acid  13309-77-8 9,15-Octadecadienoic acid  *Linoleic Acids Isomerism. Biochim Biophys Acta 1993 Nov 3;1170(3):245-52
6-epitetrodotoxin  112318-40-8 Tetrodotoxin, (6beta)  *Tetrodotoxin Isomerism. Toxicon 1992 May-Jun;30(5-6):635-43
5-ethyl-5-(2-methylbutyl)barbituric acid  36082-56-1   *Amobarbital Isomerism. J Pharm Sci 1992 Apr;81(4):362-4
2'-adenylic acid  130-49-4   *Adenosine Monophosphate Isomerism. Biochemistry 1992 Jul 28;31(29):6756-60
6,9-linoleic acid  28290-77-9   *Linoleic Acids Isomerism. Biochemistry 1992 Apr 7;31(13):3377-85
glykenin IV  134479-76-8   *Aminoglycosides Isomerism. J Antibiot (Tokyo) 1991;44(5):541
3,4'-dihydroxy-alpha,beta-diethylstilbene  133683-37-1   *Diethylstilbestrol Isomerism. Chem Pharm Bull (Tokyo) 1991;39(1):218
4-hydroxypropiophenone  70-70-2   *Hydroxypropiophenone Isomerism. Cesk Farm 1990;39(9):403
3'-guanylic acid  117-68-0   *5'-Guanylic Acid Isomerism. Biochim Biophys Acta 1991;1073(2):357
3-isoadenosine  2273-78-1   *Adenosine Isomerism. Acta Crystallogr C 1988;44(Pt 3):508
3-isoinosine  6835-54-7 6H-Purin-6-one, 3,7-dihydro-3-beta-D-ribofuranosyl  Inosine/*analogs & derivatives Isomerism. Acta Crystallogr C 1989;45(Pt 9):1394
isocolchicine  30771-10-9   *Colchicine Isomerism. J Biol Chem 1989;264(12):6682
3-isoadenosine 5'-phosphate  2862-19-3   *Adenosine Monophosphate Isomerism. J Mol Evol 1988;27(2):91
zymostenol  566-97-2   *Cholesterol Isomerism. J Biol Chem 1988;263(24):11844
isomuscimol  26384-22-5   *Muscimol Isomerism. J Theor Biol 1987;127(4):479
isochorismic acid  22642-82-6 1,3-Cyclohexadiene-1-carboxylic acid, 5-((1-carboxyethenyl)oxy)-6-hydroxy-, trans  *Chorismic Acid Isomerism. Arch Biochem Biophys 1987;256(1):212
21-hydroxypregnenolone  1164-98-3   *17-alpha-Hydroxypregnenolone Isomerism. J Steroid Biochem 1987;26(3):337
1-deazaadenosine  14432-09-8 3H-Imidazo(4,5-b)pyridin-7-amine, 3-beta-D-ribofuranosyl  *Tubercidin Isomerism. Pharmacol Res Commun 1985;17(12):1087
7-beta-ribofuranosylhypoxanthine  10280-01-0   *Inosine Isomerism. Cancer Res 1985;45(11 Pt 2):5643
10-octadecenoic acid  3386-63-8   *Oleic Acids Isomerism. Biochim Biophys Acta 1985;836(2):233
adenosine 2',5'-diphosphate  3805-37-6   *Adenosine Diphosphate Isomerism. Biochemistry 1985;24(7):1634
19-methoxyisorhodopsin  0   *Rhodopsin Isomerism. J Nutr Sci Vitaminol (Tokyo) 1984;30(6):577
5'-chloro-5'-deoxyadenosine  892-48-8   *Cladribine Isomerism. J Biol Chem 1985;260(6):3469
1-(2,3-methylenedioxyphenyl)-2-aminopropane  23693-17-6   *3,4-Methylenedioxyamphetamine Isomerism. Gen Pharmacol 1984;15(4):361
isorhodopsin  0   *Rhodopsin Isomerism. Biochemistry 1984;23(17):3843
psi-cytidine  39030-19-8 2(1H)-Pyrimidinone, 4-amino-5-beta-D-ribofuranosyl  *Cytidine Isomerism. Carbohydr Res 1984;127(2):227
alpha-hexachlorocyclohexane  319-84-6   *Lindane Isomerism.
Pharma Action Anticonvulsants ; Carcinogens 		Toxicol Lett 1984;20(3):331
tauro-7,12-dihydroxycholanic acid  5571-91-5   *Taurodeoxycholic Acid Isomerism. J Lipid Res 1983;24(10):1376
isodiazinon  82463-42-1   *Diazinon Isomerism. Biochem Pharmacol 1983;32(18):2653
2'-iodo-2'-deoxyuridine  4753-03-1 Uridine, 2'-deoxy-2'-iodo  *Idoxuridine Isomerism. Mol Pharmacol 1983;23(1):146
2'-bromo-2'-deoxyuridine  72218-68-9   *Bromodeoxyuridine Isomerism. Mol Pharmacol 1983;23(1):146
2'fluoro-2'-deoxyuridine  784-71-4   *Floxuridine Isomerism. Mol Pharmacol 1983;23(1):146
1-hydroxypseudodiethylstilbestrol  68034-40-2 Phenol, 4,4'-(1-ethyl-2-(2-hydroxyethylidene)-1,2-ethanediyl)bis-, (Z)  Diethylstilbestrol/*analogs & derivatives Isomerism. Steroids 1982;39(6):681
5,7-dihydroxy-1-(3,4,5-trimethoxybenzyl)-1,2,3,4-tetrahydroisoquinoline  67950-89-4   *Tretoquinol Isomerism. Chem Pharm Bull (Tokyo) 1982;30(5):1588
1,3-bis(2-carboxychromone-7-oxy)-2-hydroxypropane  16139-47-2   *Cromolyn Sodium Isomerism. Chung Kuo Yao Li Hsueh Pao 1982;17(2):145
2-S-cysteinyldopa  25565-17-7   *Cysteinyldopa Isomerism. Nippon Hifuka Gakkai Zasshi 1982;92(1):53
11,14,17-eicosatrienoic acid  2091-27-2   *8,11,14-Eicosatrienoic Acid Isomerism. Am J Physiol 1982;242(4):H629
4'-(9-acridinylamino)methanesulfon-o-anisidide  51264-17-6   Amsacrine/*analogs & derivatives Isomerism. Biochemistry 1981;20(23):6553
isomescaline  3937-16-4   *Mescaline Isomerism. J Med Chem 1981;24(11):1348
cytidine 3',5'-diphosphate  2922-94-3   *Cytidine Diphosphate Isomerism. FEBS Lett 1981;133(1):79
isovaline  595-40-4   *Valine Isomerism. Orig Life 1981;11(4):321
5 beta-pregnane-3 alpha,6 alpha,20 alpha-triol  4420-37-5   *Pregnanetriol Isomerism. J Steroid Biochem 1981;14(5):489
tauroursodeoxycholic acid  14605-22-2   *Taurochenodeoxycholic Acid Isomerism.
Pharma Action Antiviral Agents ; Cholagogues and Choleretics 		J Lipid Res 1981;22(4):712
hydracrylic acid  503-66-2   Lactic Acid/*analogs & derivatives Isomerism. J Inherited Metab Dis 1981;4(2):53
9-cis-retinal  514-85-2   *Retinaldehyde Isomerism. Biophys J 1980;31(1):139
13-cis-retinal  472-86-6   *Retinaldehyde Isomerism. Biophys J 1980;31(1):139
2-naphthylisothiocyanate  1636-33-5   *1-Naphthylisothiocyanate Isomerism. Toxicol Appl Pharmacol 1981;60(3):527
iso-Indoklon  13171-18-1   *Flurothyl Isomerism. Anesth Analg (Cleve) 1981;60(7):464
3-methoxyamphetamine  17862-85-0   *Amphetamines Isomerism. Xenobiotica 1981;11(2):137
methylprednisolone 17-hemisuccinate  77074-42-1 Pregna-1,4-diene-3,20-dione, 17-(3-carboxy-1-oxopropoxy)-11,21-dihydroxy-6-methyl-, (6alpha,11beta)  *Methylprednisolone Hemisuccinate Isomerism. J Pharm Sci 1981;70(2):181
photobilirubin  79619-29-7 Photobilirubin IXalpha  *Bilirubin Isomerism Photochemistry. Biochem J 1980;190(3):533
2-octopamine  2234-25-5   *Octopamine Isomerism. Biomed Mass Spectrom 1980;7(8):349
2-synephrine  575-81-5 Benzenemethanol, 2-hydroxy-alpha-((methylamino)methyl)  *Synephrine Isomerism. Biomed Mass Spectrom 1980;7(8):349
more...

To share this definition, click "text" (Facebook, Twitter) or "link" (blog, mail) then paste text link
Ads by Google

Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
Warning: the drugs or drug combinations referred to here may be similar or related, but are not be the same ones and may not have the same pharmacological action as other substances described on the same page or in the same row. Please refer to product monograph or to your doctor
This website is accredited by Health On the Net Foundation. Click to verify. We comply with the HONcode standard for trustworthy health information: verify here.
About Reference.MD Privacy