Hydrocortisone - Impurity K — Impurity Reference Standard

Buy Hydrocortisone - Impurity K (CAS 640-87-9) impurity reference standard from Spectrasynth Pharmachem. Custom synthesis available — enquire for pricing, COA and availability.

• Product Code: SSPC-H00068
• CAS No.: 640-87-9
• Chemical Name: 21-(Acetyloxy)-17-hydroxypregn-4-ene-3,20-dione
• Synonyms: Cortexolone 21-acetate; 2-((8R,9S,10R,13S,14S,17R)-17-Hydroxy-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl Acetate; 17-Hydroxy-3,20-dioxopregn-4-en-21-yl Acetate;
• Molecular Formula: C23H32O5
• Molecular Weight: 388.5
• Appearance: White to Off-White Solid
• Storage: 2-8°C Refrigerator
• Application: 21-(Acetyloxy)-17-hydroxypregn-4-ene-3,20-dione (Hydrocortisone EP Impurity K) is an acetate substance 'S' - a synthetic steroid as carbaryl synergist.