21-Dehydro Budesonide (Budesonide EP Impurity D) is a Budesonide impurity. Synonyms: (11beta,16alpha)-16,17-[Butylidenebis(oxy)]-11-hydroxy-3,20-dioxopregna-1,4-dien-21-al, Budesonide Impurity D (EP), Budesonide EP Impurity D CAS No: 85234-63-5 Molecular Formula: C25H32O6 Molecular Weight: 428.52 Appearance: White to light yellow solid Purity: 96% Melting Point: 111-124C Method for Determining Identity: Proton NMR (DMSO-d6) Spectroscopic and Mass Spectrometric Analysis TLC Conditions: SiO2, Dichloromethane: Methanol= 6:1, Visualized with UV and AMCS, Single Spot, Rf=0.45 Acetone Content: ~2% Solubility: DMSO (Slightly), Methanol (Slightly) Storage and Stability: May be stored at RT for short-term only. Long-term storage is recommended at -20C. For maximum recovery of product, centrifuge the original vial prior to removing the cap.
Molekulargewicht:
428.52
Reinheit:
96%
Formulierung:
White to light yellow solid
CAS Nummer:
[85234-63-5]
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