Catalogue Number:D231175Chemical Name:Demethyl IrbesartanSynonyms:2-Propyl-3-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-1,3-diazaspiro[4.4]non-1-en-4-oneCAS Number:158778-58-6Molecular Formula:C₂₄H₂₆N₆OMolecular Weight:414.5Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites;Applications:Demethyl Irbesartan is an impurity of…

Catalogue Number:D231170Chemical Name:N-Demethyl OndansetronSynonyms:1,2,3,9-Tetrahydro-3-[(2-methyl-1H-imidazol-1-yl)methyl]-4H-carbazol-4-one;CAS Number:99614-14-9Molecular Formula:C₁₇H₁₇N₃OAppearance:White to Brown SolidMelting Point:>160°C (dec.)Molecular Weight:279.34Storage:4°CSolubility:Chloroform (Slightly, Heated), DMSO…

Catalogue Number:D231165Chemical Name:3-Demethyl MescalineSynonyms:2-(3,4-Dimethoxy-5-hydroxyphenyl)ethylamine; 3,4-Dimethoxy-5-hydroxy-β-phenethylamine; 3,4-Dimethoxy-5-hydroxyphenethylamine;CAS Number:16046-07-4Molecular Formula:C₁₀H₁₅NO₃Molecular Weight:197.23Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites;Applications:Mescaline metabolite.References:Nikodejevic, B., et…

Catalogue Number:D231160Chemical Name:Demethyl Memantine HydrochlorideSynonyms:3-Methyltricyclo[3.3.1.13,7]decan-1-amine Hydrochloride; 3-Methyl-1-adamantanamine Hydrochloride;CAS Number:33103-93-4Alternate CAS #free amine: 78056-28-7Molecular Formula:C₁₁H₂₀ClNAppearance:White to…

Catalogue Number:D231150Chemical Name:4'-Demethyl HomoharringtonineSynonyms:Cephalotaxine 4-Hydrogen (2R)-2-Hydroxy-2-(4-hydroxy-4-methylpentyl)butanedioate (Ester); 5'-Des-O-methylhomoharringtonine;CAS Number:98599-84-9Molecular Formula:C₂₈H₃₇NO₉Molecular Weight:531.59Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites;Applications:A metabolite…

Catalogue Number:D231138Chemical Name:N-demethyl-6-O-methyl-N-[(phenylmethoxy)carbonyl]-2'-(phenylmethylcarbonate) ErythromycinSynonyms:Oxacyclotetradecane Erythromycin Deriv.;CAS Number:81103-10-8Molecular Formula:C₅₃H₇₉NO₁₇Molecular Weight:1002.19Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites; Antibotics; Carbohydrates and…

Catalogue Number:D231135Chemical Name:N-Demethyl-N-formyl ClarithromycinSynonyms:N-Demethyl-N-formyl-6-O-methylerythromycin; 3"-N-Demethyl-3"-N-formylclarithromycin; Clarithromycin EP Impurity H; USP Clarithromycin Impurity HImpurity:Clarithromycin EP Impurity…

Catalogue Number:D231130Chemical Name:2-Demethoxy-4-methoxy UrapidilSynonyms:6-[[3-[4-(4-Methoxyphenyl)-1-piperazinyl]propyl]amino]-1,3-dimethyl-2,4(1H,3H)-pyrimidinedione;CAS Number:34661-79-5Molecular Formula:C₂₀H₂₉N₅O₃Appearance:Off-White to Pale Brown SolidMelting Point:>146°C (dec.)Molecular Weight:387.48Storage:-20°CSolubility:Chloroform (Slightly), Methanol…

Catalogue Number:D231125Chemical Name:2-Demethoxy-2-chloro UrapidilSynonyms:6-[[3-[4-(2-Chlorophenyl)-1-piperazinyl]propyl]amino]-1,3-dimethyl-2,4(1H,3H)-pyrimidinedione;CAS Number:34661-73-9Molecular Formula:C₁₉H₂₆ClN₅O₂Molecular Weight:391.9Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites;Applications:2-Demethoxy-2-chloro Urapidil is an impurity of…

Catalogue Number:D231122Chemical Name:N-Demethoxy Linuron-13C6Synonyms:N-(3,4-Dichlorophenyl-13C6)-N'-methylurea; 1-(3,4-Dichlorophenyl-13C6)-3-methylurea; 1-Methyl-3-(3,4-dichlorophenyl-13C6)urea; 3,4-DCPMU; 3-(3,4-Dichlorophenyl-13C6)-1-methylurea; DCPMU-13C6; Monomethyldiuron-13C6; N-(3,4-Dichlorophenyl-13C6)-N'-methylurea; N-Demethoxylinuron-13C6; N-Methyl-N'-(3,4-dichlorophenyl-13C6)urea;CAS Number:1346603-94-8Alternate CAS…