Catalogue Number:D231300Chemical Name:Demethylpiperazinyl Desethyl Sildenafil Sulfonyl ChlorideSynonyms:3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-hydroxy-benzenesulfonyl Chloride; 5-(5-Chlorosulfonyl-2-hydroxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-oneCAS Number:139756-27-7Molecular Formula:C₁₅H₁₅ClN₄O₄SAppearance:Off-White SolidMelting Point:>233°C (dec.)Molecular Weight:382.82Storage:4°C,…

Catalogue Number:D231295Chemical Name:Demethyl Propionitrile IsradipineSynonyms:4-(2,1,3-Benzoxadiazol-4-yl)-1,4-dihydro-2,6-dimethyl-3,5-pyridinedicarboxylic Acid 3-(2-Cyanoethyl) 5-(1-Methylethyl) Ester; 4-(2,1,3-Benzoxadiazol-4-yl)-1,4-dihydro-2,6-dimethyl-3,5-pyridinedicarboxylic Acid 2-Cyanoethyl 1-Methylethyl Ester; (±)-4-(4-Benzofurazanyl)-1,4-dihydro-2,6-dimethyl-5-pyridinedicarboxylic…

Catalogue Number:D231290Chemical Name:Demethylpiperazinyl Iso Sildenafil Sulfonyl ChlorideSynonyms:3-(6,7-Dihydro-2-methyl-7-oxo-3-propyl-2H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-benzenesulfonyl ChlorideCAS Number:501120-42-9Molecular Formula:C₁₇H₁₉ClN₄O₄SAppearance:Yellow to Green SolidMelting Point:207-210ºC (dec.)Molecular…

Catalogue Number:D231285Chemical Name:7-O-Demethyl a-NarcotineSynonyms:(3S)-7-Hydroxy-6-methoxy-3-[(5R)-5,6,7,8-tetrahydro-4-methoxy-6-methyl-1,3-dioxolo[4,5-g]isoquinolin-5-yl]-1(3H)-isobenzofuranone; [S-(R*,S*)]-7-hydroxy-6-methoxy-3-(5,6,7,8-tetrahydro-4-methoxy-6-methyl-1,3-dioxolo[4,5-g]isoquinolin-5-yl)-1(3H)-isobenzofuranone; 7-Hydroxy-α-narcotine;CAS Number:68353-55-9Molecular Formula:C₂₁H₂₁NO₇Appearance:White to Pale Yellow SolidMelting Point:> 158°C (dec.)Molecular…

Catalogue Number:D231270Chemical Name:N-De[2-(methylsulfonyl)ethyl] LapatinibSynonyms:6-[5-(Aminomethyl)-2-furanyl]-N-[3-chloro-4-[(3-fluorophenyl)methoxy]phenyl]-4-quinazolinamine; [6-(5-Aminomethylfuran-2-yl)quinazolin-4-yl][3-chloro-CAS Number:697299-82-4Molecular Formula:C₂₆H₂₀ClFN₄O₂Appearance:Pale Yellow to Light Beige SolidMelting Point:>141ºC (dec.)Molecular Weight:474.91Storage:-20°CSolubility:DMSO…

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…