Ethinylestradiol - Impurity B — Impurity Reference Standard

Buy Ethinylestradiol - Impurity B (CAS 1231-96-5) impurity reference standard from Spectrasynth Pharmachem. Custom synthesis available — enquire for pricing, COA and availability.

• Product Code: SSPC-E00003
• CAS No.: 1231-96-5
• Chemical Name: 9,11-Dehydro Ethynyl Estradiol
• Synonyms: (17α)-19-Norpregna-1,3,5(10),9(11)-tetraen-20-yne-3,17-diol; 19-Nor-17α-pregna-1,3,5(10),9(11)-tetraen-20-yne-3,17-diol; Ethinyl Estradiol Impurity B (EP); Ethinyl Estradiol Related Compound B (USP);
• Molecular Formula: C20H22O2
• Molecular Weight: 294.39
• Appearance: White to Yellow Solid
• Storage: 2-8°C Refrigerator
• Application: 9,11-Dehydro Ethynyl Estradiol (Ethinylestradiol EP Impurity B) is a degradation product of Ethynyl Estradiol an impurity of Ethynyl Estradiol