Drug Delivery

Catalogue Number:D231265Chemical Name:N-Demethyl RoxithromycinSynonyms:(9E)-9-[O-[(2-Methoxyethoxy)methyl]oxime]-N-demethyl Erythromycin; (E)-N-Demethylroxithromycin; N-Demethylroxithromycin; RU 44981;CAS Number:118267-18-8Molecular Formula:C₄₀H₇₄N₂O₁₅Appearance:White to Off-White SolidMelting Point:109-114°CMolecular…

Catalogue Number:D231260Chemical Name:Demethylpiperazinyl 7-Desoxo 7-Thioxosildenafil Sulfonic AcidSynonyms:4-Ethoxy-3-(1-methyl-3-propyl-7-thioxo-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonic AcidImpurity:Sildenafil Impurity:CAS Number:1353018-10-6Molecular Formula:C₁₇H₂₀N₄O₄S₂Appearance:Off-White to Yellow SolidMelting Point:>155°CMolecular…

Catalogue Number:D231258Chemical Name:(E)-O-DemethylroxithromycinSynonyms:(9E)-9-[O-[(2-Hydroxyethoxy)methyl]oxime]erythromycin;CAS Number:261172-58-1Molecular Formula:C₄₀H₇₄N₂O₁₅Molecular Weight:823.02Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites; Antibotics;Applications:(E)-O-Demethylroxithromycin is derived from (9E)-Erythromycin A…

Catalogue Number:D231255Chemical Name:7-DemethylrobustigeninSynonyms:5,7-Dihydroxy-3-(2,4,5-trimethoxyphenyl)-4H-1-benzopyran-4-oneCAS Number:75340-02-2Molecular Formula:C₁₈H₁₆O₇Molecular Weight:344.32Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites;Applications:7-Demethylrobustigenin is a flavonoid compound present in…

Catalogue Number:D231250Chemical Name:N-Demethyl RifampicinSynonyms:3-[(1-Piperazinylimino)methyl]-rifamycin; 3-Piperazinoiminomethyl Rifamycin SV; 4-N-Demethylrifampicin; AF/AP; Demethylrifampicin; N-Demethylrifampicin; N-Demethylrifampin; NSC 143416; Rifampicin…

Catalogue Number:D231247Chemical Name:N-Demethyl Ricinine-13C3Synonyms:1,2-Dihydro-4-methoxy-2-oxo-3-pyridinecarbonitrile-13C3; 1,2-Dihydro-4-methoxy-2-oxonicotinonitrile-13C3; 3-Cyano-2-hydroxy-4-methoxypyridine-13C3; 4-Methoxy-2-oxo-1,2-dihydropyridine-3-carbonitrile-13C3; N-Demethylricinine-13C3;CAS Number:1391053-00-1Alternate CAS #21642-98-8 - unlabelledMolecular Formula:C₄¹³C₃H₆N₂O₂Appearance:Off-White SolidMolecular…

Catalogue Number:D231245Chemical Name:N-Demethyl RicinineSynonyms:1,2-Dihydro-4-methoxy-2-oxo-3-pyridinecarbonitrile; 1,2-Dihydro-4-methoxy-2-oxonicotinonitrile; 3-Cyano-2-hydroxy-4-methoxypyridine; 4-Methoxy-2-oxo-1,2-dihydropyridine-3-carbonitrile; N-Demethylricinine;CAS Number:21642-98-8Molecular Formula:C₇H₆N₂O₂Appearance:White to Pale Yellow SolidMelting Point:276-278°CMolecular…

Catalogue Number:D231240Chemical Name:7-O-Demethyl Rapamycin (~80%)Synonyms:7-O-Demethyl Cypher; 7-O-Demethyl Rapammune; 7-O-Demethyl Sirolimus;CAS Number:151519-50-5Molecular Formula:C₅₀H₇₇NO₁₃Appearance:White to Pale Yellow…

Catalogue Number:D231235Chemical Name:Demethylpiperazinyl Sildenafil Sulfonic AcidSynonyms:3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxybenzenesulfonic Acid; Sildenafil EP Impurity D;Impurity:Sildenafil EP Impurity DCAS Number:1357931-55-5Molecular…

Catalogue Number:D231222Chemical Name:rac N-Demethyl Promethazine-d3 HydrochlorideSynonyms:N,α-Dimethyl-10H-phenothiazine-10-ethanamine-d3 Hydrochloride; Nor1-Promethazine-d3 Monohydrochloride;CAS Number:1330173-19-7Alternate CAS #60113-77-1-unlabelled; Free Base: 1330822-93-9Molecular…