باب
التستوستيرون
رقم CAS
57144-06-6
الصيغة الجزيئية
C₂₀H₂₈O₂
وزن جزيئي
300.44 g/mol
مرادف

(8R,9S,10R,13S,14S)-3-methoxy-10,13-dimethyl-1,2,7,8,9,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-one; Androstenedione Methylenolether; (8R,9S,10R,13S,14S)-3-Methoxy-10,13-dimethyl-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17(2H)-one; Methoxyandrostadiene; 3-Methoxyandrosta-3,5-dien-17-one (As per USP Commenting Opening 50(5)); 3-Methoxyandrosta-3,5-dien-17-one

الكلمات الرئيسية
المواد الكيميائية الدقيقة
المعايير الصيدلانية
الشوائب
وسيطة
slide.1

Testosterone EP Impurity J is a specified related substance listed in the European Pharmacopoeia (EP) for the quality control of testosterone and its pharmaceutical preparations. It is used as a reference impurity during analytical testing (such as HPLC) to identify, quantify, and ensure that unwanted by-products or degradation compounds remain within acceptable limits. In simple terms, it is not a therapeutic compound itself, but a chemically defined impurity standard that helps confirm the purity, safety, and regulatory compliance of testosterone drug products.