Chemical Name:(R,R)-Des-N-(methoxycarbonyl)-L-tert-leucine Bis-Boc AtazanavirSynonyms:2-[(2R,3R)-3-[[(1,1-Dimethylethoxy)carbonyl]amino]-2-hydroxy-4-phenylbutyl]-2-[[4-(2-pyridinyl)phenyl]methyl]hydrazinecarboxylic Acid 1,1-Dimethylethyl EsterAlternate CAS #:Enantiomer: 198904-86-8Molecular Formula:C₃₂H₄₂N₄O₅Molecular Weight:562.7Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites;Applications:(R,R)-Des-N-(methoxycarbonyl)-L-tert-leucine…

Chemical Name:(2S,3R)-Des-N-(methoxycarbonyl)-L-tert-leucine Bis-Boc AtazanavirSynonyms:2-[(2S,3R)-3-[[(1,1-Dimethylethoxy)carbonyl]amino]-2-hydroxy-4-phenylbutyl]-2-[[4-(2-pyridinyl)phenyl]methyl]hydrazinecarboxylic Acid 1,1-Dimethylethyl EsterMolecular Formula:C₃₂H₄₂N₄O₅Molecular Weight:562.7Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites;Applications:(2S,3R)-Des-N-(methoxycarbonyl)-L-tert-leucine Bis-Boc Atazanavir is…

Chemical Name:7-Desdimethylamino-7-((2-(methylamino)ethyl)(methyl))amino)-minocycline HydrochlorideMolecular Formula:C₂₅H₃₂N₄O₇•(HCl)ₓMolecular Weight:500.54 + x(36.46)Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites;Applications:7-Desdimethylamino-7-((2-(methylamino)ethyl)(methyl))amino)-minocycline Hydrochloride is an impurity of…

Chemical Name:Desfluoro Hydroxy FallyprideSynonyms:5-(3-Hydroxypropyl)-2,3-dimethoxy-N-[[(2S)-1-(2-propenyl)-2-pyrrolidinyl]methyl]-benzamide; (S)-5-(3-hydroxypropyl)-2,3-dimethoxy-N-[[1-(2-propenyl)-2-pyrrolidinyl]methyl]-Benzamide;CAS Number:166173-73-5Molecular Formula:C₂₀H₃₀N₂O₄Molecular Weight:362.46Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites;Applications:Desfluoro Hydroxy Fallypride is a…

Chemical Name:N-Desethyl 2-Chloro Clomiphene (cis-trans Mixture) HydrochlorideMolecular Formula:C₂₄H₂₃Cl₂NO •HClMolecular Weight:412.35 +(36.46)Category:Building Blocks;Applications:N-Desethyl 2-Chloro Clomiphene (cis-trans…

Chemical Name:rac-4’-O-Desmethyl-4’-O-ethyl ApremilastSynonyms:N-(2-(1-(3,4-Diethoxyphenyl)-2-(methylsulfonyl)ethyl)-1,3-dioxoisoindolin-4-yl)acetamide; Apremilast Impurity DMolecular Formula:C₂₃H₂₆N₂O₇SMolecular Weight:474.53Category:Standards; Enzyme Activators and Inhibitors; Pharmaceutical/API Drug Impurities/Metabolites;Applications:rac-4’-O-Desmethyl-4’-O-ethyl…

Chemical Name:O-Desethyl O-Propyl Sildenafil-d3Synonyms:1,6-Dihydro-1-methyl-5-[5-[(4-methyl-1-piperazinyl)sulfonyl]-2-propoxyphenyl]-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one-d3; 1-[[3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-propoxyphenyl]sulfonyl]-4-methyl-piperazine-d3Alternate CAS #:Unlabelled: 877777-10-1Molecular Formula:C₂₃H₂₉D₃N₆O₄SMolecular Weight:491.62Category:Building Blocks; Isotopic Labeled Analogues;Applications:O-Desethyl O-Propyl…

Chemical Name:5'-Desmethoxy-5'-methyl 7'-Methyl 3,5-Dimethyl OmeprazoleSynonyms:2-[[(4-Methoxy-2-pyridinyl)methyl]sulfinyl]-5,7-dimethyl-1H-benzimidazole;CAS Number:73590-45-1Molecular Formula:C₁₆H₁₇N₃O₂SMolecular Weight:315.39Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites;Applications:5'-Desmethoxy-5'-methyl 7'-Methyl 3,5-Dimethyl Omeprazole is…

Chemical Name:1-Desethoxy 1-Isopropyl Perindopril t-ButylamineSynonyms:(2S,3aS,7aS)-1-((R)-2-(((R)-1-Isopropoxy-1-oxopentan-2-yl)amino)propanoyl)octahydro-1H-indole-2-carboxylic Acid t-Butylamine; USP Perindopril Related Compound E;Molecular Formula:C₂₄H₄₅N₃O₅Molecular Weight:455.63Category:Standards; Pharmaceutical/API…

Chemical Name:9-Desfluoro-11-deshydroxy-11,12-dehydro BetamethasoneSynonyms:(16β)-17,21-Dihydroxy-16-methyl-Pregna-1,4,11-triene-3,20-dione; (8S,9S,10R,13S,14S,16S,17R)-17-Hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,9,10,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-3-one; Betamethasone EP Impurity FImpurityBetamethasone EP Impurity FCAS Number:330157-04-5Molecular Formula:C₂₂H₂₈O₄Molecular Weight:356.46Category:Standards; Pharmaceutical/API…