Chemical Name:24,25-EpoxycholesterolSynonyms:(3β)-24,25-Epoxycholest-5-en-3-ol; 24,25-Oxidocholesterol;CAS Number:72542-49-5Molecular Formula:C₂₇H₄₄O₂Molecular Weight:400.64Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites; Steroids;Applications:24,25-Epoxycholesterol is sterol found in red…

Chemical Name:7-Epi-lincomycin 2,7-Dipalmitate-d62Molecular Formula:C₅₀H₃₂D₆₂N₂O₈SMolecular Weight:945.74Category:Standards; Isotopic Labeled Analogues; Pharmaceutical/API Drug Impurities/Metabolites; Carbohydrates and Oligosaccharides;Applications:Labelled 7-Epi-lincomycin…

Chemical Name:13b-Hydroxy-1-one EpinastineSynonyms:Epinastine Impurity 23-Amino-13b-hydroxy-9,13b-dihydro-1H-dibenzo[c,f]imidazo[1,5-a]azepin-1-oneAlternate CAS #:108929-04-0Molecular Formula:C₁₆H₁₃N₃O₂Molecular Weight:279.29Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites;Applications:13b-Hydroxy-1-one Epinastine is an…

Chemical Name:3’’’-Epi-Empagliflozin-d4Synonyms:(1S)-1,5-Anhydro-1-C-[4-chloro-3-[[4-[[(3R)-tetrahydro-3-furanyl]oxy]phenyl]methyl]phenyl]-D-glucitol-d4; Empagliflozin Impurity C-d4Molecular Formula:C₂₃H₂₃D₄ClO₇Molecular Weight:454.93Category:Building Blocks; Isotopic Labeled Analogues;Applications:3’’’-Epi-Empagliflozin-d4 is labelled 3’’’-Epi-Empagliflozin (E586000),…

Chemical Name:(-)-EpibatidineSynonyms:(1R,2R,4S)-2-(6-chloro-3-pyridinyl)-7-azabicyclo[2.2.1]heptane; 1R,2R,4S)-Epibatidine; (1R-exo)-2-(6-Chloro-3-pyridinyl)-7-azabicyclo[2.2.1]heptane; Alkaloid 208/210 from Dendrobates; CMI 488; EpibatidineAlternate CAS #:148152-66-3 RacemicMolecular Formula:C₁₁H₁₃ClN₂Molecular…

Chemical Name:(+)-EpibatidineSynonyms:(1R,2R,4S)-2-(6-chloro-3-pyridinyl)-7-azabicyclo[2.2.1]heptane; 1R,2R,4S)-Epibatidine; (1R-exo)-2-(6-Chloro-3-pyridinyl)-7-azabicyclo[2.2.1]heptane; Alkaloid 208/210 from Dendrobates; CMI 488; EpibatidineCAS Number:140111-52-0Molecular Formula:C₁₁H₁₃ClN₂Molecular Weight:208.69Category:Standards; Enzyme…

Chemical Name:1’-epi-EntecavirSynonyms:2-Amino-1,9-dihydro-9-[(1R,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one; Entecavir Isomer Impurity 3; (1’R,3’R,4’S)-Entecavir Isomer; Entecavir 1-epimer impurityImpurityEntecavir EP Impurity ACAS Number:1367369-78-5Molecular…

Chemical Name:ent-Entecavir-di-o-benzyl EtherSynonyms:2-Amino-1,9-dihydro-9-[(1R,3S,4R)-2-methylene-4-(phenylmethoxy)-3-[(phenylmethoxy)methyl]cyclopentyl]-6H-purin-6-oneCAS Number:1354695-82-1Molecular Formula:C₂₆H₂₇N₅O₃Molecular Weight:457.52Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites; Anti-virals/Anti-retrovirals;Applications:ent-Entecavir-di-o-benzyl ether is an impurity of…

Chemical Name:Emtricitabine 5-O-Sulfate-13C,15N2Synonyms:4-Amino-5-fluoro-1-[(2R,5S)-2-hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H-pyrimidinone 5-O-Sulfate-13C,15N2; (-)-2’,3’-Dideoxy-5-fluoro-3’-thiacytidine 5-O-Sulfate-13C,15N2; (-)-2'-Deoxy-5-fluoro-3'-thiacytidine 5-O-Sulfate-13C,15N2; BW 1592 5-O-Sulfate-13C,15N2; BW 524W91 5-O-Sulfate-13C,15N2; Coviracil…

Chemical Name:(R,R)-Empagliflozin ImpuritySynonyms:(2R,3R,4R,5S,6R)-2-(4-Chloro-3-(4-(((R)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triolMolecular Formula:C₂₃H₂₇ClO₇Molecular Weight:450.91Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites;Applications:(R,R)-Empagliflozin Impurity is a derivative of Empagliflozin (E521510),…