Catalogue Number:D229775Chemical Name:(2E)-Dehydrodonepezil(Donepezil Impurity)Synonyms:(E)-2,3-Dihydro-5,6-dimethoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methylene]-1H-Inden-1-one; 2-(1-Benzylpiperidin-4-ylmethylidene)-5,6-dimethoxyindan-1-one; Dehydro Donepezil; Donepezil USP Related Compound AImpurity:Donepezil USP Related Compound…

Catalogue Number:D229768Chemical Name:DehydroergosterolSynonyms:(3β,22E)-Ergosta-5,7,9(11),22-tetraen-3-ol; (22E)-Ergosta-5,7,9(11),22-tetraen-3β-ol; (22E,24R)-Ergosta-5,7,9(11),22-tetraen-3β-ol; 9(11)-Dehydroergosterol; Ergosta-5,7,9(11),22-tetraenolCAS Number:516-85-8Molecular Formula:C₂₈H₄₂OAppearance:Off-White to Pale Yellow SolidMelting Point:133 -…

Catalogue Number:D229765Chemical Name:24(28)-DehydroergosterolSynonyms:(E)-Ergosta-5,7,22,24(28)-tetraen-3β-ol; Ergosta-5,7,22,24(28)-tetraene-3β-ol; Ergosta-5,7,trans-22,24(28)-tetraen-3β-olCAS Number:29560-24-5Molecular Formula:C₂₈H₄₂OMolecular Weight:394.63Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites;Applications:24(28)-Dehydroergosterol is a derivative of…

Catalogue Number:D229763Chemical Name:DehydroluciferinCAS Number:20115-09-7Molecular Formula:C11H6N2O3S2Molecular Weight:278.31Category:Research Tools; Molecular Biology; Enzyme Activators and Inhibitors;Applications:4-((4-Acetylpiperazine)methyl) phenylboronic acid…

Catalogue Number:D229755Chemical Name:3'-Dehydrolutein (~90%)Synonyms:(3R,6'R)-3-Hydroxy-β,ε-caroten-3'-one; all-trans-3-Hydroxy-α-caroten-3'-one; 3'-Oxolutein; Philosamiaxanthin; all-trans-Philosamiaxanthin;CAS Number:23984-55-6Molecular Formula:C₄₀H₅₄O₂Appearance:Red to Very Dark Brown SolidMelting…

Catalogue Number:D229750Chemical Name:Dehydro Monocrotaline, 90%Synonyms:(3R,4R,5R,13aR)-4,5,8,12,13,13a-Hexahydro-4,5-dihydroxy-3,4,5-trimethyl-2H-[1,6]dioxacycloundecino[2,3,4-gh]pyrrolizine-2,6(3H)-dione; Monocrotaline Pyrrole, 3,8-DidehydromonocrotalineCAS Number:23291-96-5Molecular Formula:C₁₆H₂₁NO₆Appearance:White to Light Grey SolidMelting Point:>57°C…

Catalogue Number:D229738Chemical Name:5,6-DehydromethysticinSynonyms:6-[(1E)-2-(1,3-Benzodioxol-5-yl)ethenyl]-4-methoxy-2H-pyran-2-oneCAS Number:56070-90-7Molecular Formula:C₁₅H₁₂O₅Appearance:Pale Yellow to Yellow SolidMelting Point:228 - 232°CMolecular Weight:272.25Storage:4°CSolubility:Chloroform (Slightly), Methanol…

Catalogue Number:D229728Chemical Name:9-DehydroestroneSynonyms:Δ9(11)-Estrone; 9,11-Dehydroestrone; 3-Hydroxyestra-1,3,5(10),9(11)-tetraen-17-oneCAS Number:1089-80-1Molecular Formula:C₁₈H₂₀O₂Appearance:White to Off-White SolidMelting Point:>185°C (dec.)Molecular Weight:268.35Storage:-20°CSolubility:Chloroform (Slightly, Heated,…

Catalogue Number:D229715Chemical Name:21-Dehydro-6a-Methylprednisolone, Partially Hydrated (mixture of the aldehyde and the hydrated form)Synonyms:(6α,11β)-11,17-Dihydroxy-6-methyl-3,20-dioxopregna-1,4-dien-21-al; 11β,17-Dihydroxy-6α-methyl-3,20-dioxopregna-1,4-dien-21-al; Methylprednisolone…

Catalogue Number:D229712Chemical Name:Dehydro Mefloquine-d5Synonyms:α-2-Pyridinyl-2,8-bis(trifluoromethyl)-4-quinolinemethanol-d5;CAS Number:1246819-32-8Alternate CAS #68496-04-8-unlabelledMolecular Formula:C₁₇H₅D₅F₆N₂OAppearance:Light Yellow to Light Brown SolidMelting Point:130-133°CMolecular Weight:377.3Storage:4°CSolubility:DMSO…