Catalogue Number:A187745Chemical Name:(1S,5S,6R)-5-(Acetyloxy)-7-oxabicyclo[4.1.0]hept-2-ene-3-carboxylic Acid Methyl EsterCAS Number:494195-98-1Molecular Formula:C₁₀H₁₂O₅Appearance:Chloroform, DCMMolecular Weight:212.2Category:Building Blocks; Pharmaceutical/API Drug Impurities/Metabolites;Applications:(1S,5S,6R)-5-(Acetyloxy)-7-oxabicyclo[4.1.0]hept-2-ene-3-carboxylic Acid…

Catalogue Number:A187735Chemical Name:10-O-Acetyl SN-38Synonyms:10-Acetyloxy-7-ethylcamptothecin; 10-Hydroxy-7-ethylcamptothecin 10-Acetate; (4S)-9-(Acetyloxy)-4,11-diethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione;CAS Number:946821-59-6Molecular Formula:C₂₄H₂₂N₂O₆Appearance:Light Beige to Beige SolidMelting Point:>230ºC (dec.)Molecular…

Catalogue Number:A187730Chemical Name:3-Acetyl Rocuronium BromideSynonyms:1-[(2β,3α,5α,16β,17β)-3,17-Bis(acetyloxy)-2-(4-morpholinyl)androstan-16-yl]-1-(2-propen-1-yl)pyrrolidinium Bromide; Rocuronium EP Impurity B;Impurity:Rocuronium EP Impurity BCAS Number:122483-73-2Molecular Formula:C₃₄H₅₅BrN₂O₅Appearance:White…

Catalogue Number:A187720Chemical Name:AR-C155858Synonyms:(S)-6-[(3,5-Dimethyl-1H-pyrazol-4-yl)methyl]-5-[(4-hydroxyisoxazolidin-2-yl)carbonyl]-1-isobutyl-3-methylthieno[2,3-d]pyrimidine-2,4(1H,3H)-dione; 2-[[6-[(3,5-dimethyl-1H-pyrazol-4-yl)methyl]-1,2,3,4-tetrahydro-3-methyl-1-(2-methylpropyl)-2,4-dioxothieno[2,3-d]pyrimidin-5-yl]carbonyl]-4-isoxazolidinol;(S)-6-[(3,5-Dimethyl-1H-pyrazol-4-yl)methyl]-5-[(4-hydroxyisoxazolidin-2-yl)carbonyl]-1-isobutyl-3-methylthieno[2,3-d]pyrimidine-2,4(1H,3H)-dione; AR-C 155858CAS Number:496791-37-8Molecular Formula:C₂₁H₂₇N₅O₅SMolecular Weight:461.53Category:Research Tools;Applications:AR-C155858 is a potent inhibitor of…

Catalogue Number:A187715Chemical Name:5’-O-Acetyl RibavirinSynonyms:1-(5-O-Acetyl-β-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxamide; Ribavirin Impurity F;CAS Number:58151-87-4Molecular Formula:C₁₀H₁₄N₄O₆Appearance:White to Off-White SolidMelting Point:185-188°CMolecular Weight:286.24Storage:-20°CSolubility:DMSO (Slightly),…

Catalogue Number:A187710Chemical Name:17-Acetyloxy-pregna-1,4-diene-3,20-dione (~90%)Synonyms:17-Hydroxypregna-1,4-diene-3,20-dione Acetate; 17α-Acetoxypregna-1,4-diene-3,20-dione; Cyproterone Acetate EP Impurity HImpurity:Cyproterone Acetate EP Impurity HCAS…

Catalogue Number:A187705Chemical Name:5-Acetyl RheinSynonyms:5-(Acetyloxy)-9,10-dihydro-4-hydroxy-9,10-dioxo-2-anthracenecarboxylic Acid;CAS Number:875535-35-6Molecular Formula:C₁₇H₁₀O₇Appearance:Yellow to Dark Yellow SolidMelting Point:>244°C (dec.)Molecular Weight:326.26Storage:4°CSolubility:DMSO (Slightly),…

Catalogue Number:A187703Chemical Name:(16a)-21-(Acetyloxy)-16,17-dihydroxypregna-1,4-diene-3,11,20-trioneSynonyms:(16α)​-21-​(Acetyloxy)​-​16,​17-​dihydroxy-pregna-1,4-diene-3,11,20-trioneCAS Number:3949-79-9Molecular Formula:C₂₃H₂₈O₇Appearance:White to Off-White SolidMelting Point:>150°C (dec.)Molecular Weight:416.46Storage:-20°CSolubility:DMSO (Slightly, Sonicated), Methanol (Slightly,…

Catalogue Number:A187700Chemical Name:4-Acetyl RheinSynonyms:4-(Acetyloxy)-9,10-dihydro-5-hydroxy-9,10-dioxo-2-anthracenecarboxylic Acid;CAS Number:875535-36-7Molecular Formula:C₁₇H₁₀O₇Appearance:Yellow to Dark Yellow SolidMelting Point:235-237°CMolecular Weight:326.26Storage:4°CSolubility:DMSO (Slightly), Methanol…

Catalogue Number:A187698Chemical Name:7β-Acetyloxy-7α-[9-(dimethyl(tert-butylsilyloxy)nonyl]estr-4-en-3-oneSynonyms:(7α,17β)-17-(Acetyloxy)-7-[9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]nonyl]estr-4-en-3-oneCAS Number:875573-60-7Molecular Formula:C₃₅H₆₀O₄SiMolecular Weight:572.93Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites; Steroids;Applications:7β-Acetyloxy-7α-[9-(dimethyl(tert-butylsilyloxy)nonyl]estr-4-en-3-one is a useful intermediate in…