Chemical Name:7-O-Desmethyl Temsirolimus-d3Synonyms:(7ξ)-7-O-Demethyl-rapamycin 42-[3-Hydroxy-2-(hydroxymethyl)-2-methylpropanoate]-d3Alternate CAS #:408321-08-4 unlabelledMolecular Formula:C₅₅H₈₂D₃NO₁₆Molecular Weight:1019.28Category:Building Blocks; Standards; Isotopic Labeled Analogues; Pharmaceutical/API…

Chemical Name:N-Des(3,3-Diphenylpropyl) Lercanidipine D3 OxalateSynonyms:3-Methyl 5-(2-Nethyl-1-(methylamino)propan-2-yl) 2,6-Dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate Oxalate Salt-d3; [R,S]-1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic Acid, N-methyl-N-(2-hydroxy-2-methyl)propylamide Methyl Ester Oxalate…

Chemical Name:N,O-Desmethylene 10-Despiperazino-10-fluoro MarbofloxacinSynonyms:6,7-Difluoro-8-hydroxy-1,4-dihydro-1-methylamino-4-oxoquinoline-3-carboxylic Acid; 6,7-Difluoro-1,4-dihydro-8-hydroxy-1-(methylamino)-4-oxo-3-quinolinecarboxylic Acid; Marbofloxacin Impurity ACAS Number:115551-40-1Molecular Formula:C₁₁H₈F₂N₂O₄Molecular Weight:270.19Category:Standards; Pharmaceutical/API Drug…

Chemical Name:O-Des(2-Methylpropan-1-one)-O-Benzyl-FesoteridoneSynonyms:3-[(1R)-3-[bis(1-Methylethyl)amino]-1-phenylpropyl]-4-(phenylmethoxy)benzenemethanol; (+)-3-[3-[bis(1-methylethyl)amino]-1-phenylpropyl]-4-(phenylmethoxy)benzenemethanolCAS Number:156755-37-2Molecular Formula:C₂₉H₃₇NO₂Molecular Weight:431.61Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites;Applications:O-Des(2-Methylpropan-1-one)-O-Benzyl-Fesoteridone is an impurity in the synthesis…

Chemical Name:3-Desmethyl 4-Methyl Meclizine Dihydrochloride-d8Synonyms:1-[(4-Chlorophenyl)phenylmethyl]-4-[(4-methylphenyl)methyl]-piperazine-d8; 1-(p-Chloro-α-phenylbenzyl)-4-p-methylbenzyl-piperazine-d8Alternate CAS #:Unlabelled: 879672-35-2, Free base: 873395-53-0Molecular Formula:C₂₅H₂₁D₈Cl₃N₂Molecular Weight:471.92Category:Standards; Isotopic…

Chemical Name:N-​DesmethyldauricineSynonyms:4-[[(1R)-1,2,3,4-Tetrahydro-6,7-dimethoxy-1-isoquinolinyl]methyl]-2-[4-[[(1R)-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-1-isoquinolinyl]methyl]phenoxy]phenol;CAS Number:146763-55-5Molecular Formula:C₃₇H₄₂N₂O₆Molecular Weight:610.74Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites;Applications:N-​Desmethyldauricine is a derivative of Daurisoline (D194860), a…

Chemical Name:N-Desmethyl Asenapine N-Carbamoyl GlucuronideSynonyms:1-(5-Chloro-1,3,3a,12b-tetrahydro-2H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrole-2-carboxylate) β-D-Glucopyranuronic Acid; 2H-Dibenz[2,3:6,7]oxepino[4,5-c]pyrrole, β-D-Glucopyranuronic Acid Deriv.;CAS Number:128923-28-4Molecular Formula:C₂₃H₂₂ClNO₉Molecular Weight:491.88Category:Standards; Pharmaceutical/API…

Chemical Name:(S)-Desfluoro Citalopram HydrobromideSynonyms:(1S)-1-[3-(Dimethylamino)propyl]-1,3-dihydro-1-phenyl-5-isobenzofurancarbonitrile Hydrobromide;Alternate CAS #:Oxalate Salt: 1346617-30-8Molecular Formula:C₂₀H₂₃BrN₂OMolecular Weight:387.31Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites;Applications:An impurity…

Chemical Name:Des-N-benzylaniline 2-Aniline Beprdil OxalateMolecular Formula:C₁₉H₃₀N₂O₅Molecular Weight:366.45Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites;Applications:Des-N-benzylaniline 2-Aniline Beprdil Oxalate is obtained…

Chemical Name:2-Desbutylcarboxy-2-(N-hydroxyheptanamino) Bendamustine Hydrochloride-D10Synonyms:5-[bis(2-Chloroethyl)amino]-N-hydroxy-1-methyl-1H-benzimidazole-2-heptanamide-D10 Hydrochloride; EDO-S10-D10 HydrochlorideAlternate CAS #:Unlabelled: D289355 (no CAS)Molecular Formula:C₁₉H₁₉D₁₀Cl₃N₄O₂Molecular Weight:461.88Category:Building Blocks;…