3-Methoxy-D-homo-oestratetraen-(1,3,5(10),9(11))-on-(17a) is a complex organic compound with the molecular formula C21H28O3. It is a derivative of estratriene, a type of estrogen, and features a 3-methoxy group attached to the D-homo structure. 3-Methoxy-D-homo-oestratetraen-(1,3,5(10),9(11))-on-(17a) is characterized by its unique arrangement of double bonds at positions 1, 3, 5(10), and 9(11), and a 17a-hydroxyl group. It is synthesized for research purposes, particularly in the field of endocrinology, to study the effects of estrogen-like compounds on various biological processes. Due to its structural complexity and potential biological activity, this chemical is of interest in pharmaceutical and medical research, though it is not approved for clinical use and its applications are primarily limited to laboratory settings.
The CAS Registry Mumber 1094-04-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,0,9 and 4 respectively; the second part has 2 digits, 0 and 4 respectively. Calculate Digit Verification of CAS Registry Number 1094-04: (6*1)+(5*0)+(4*9)+(3*4)+(2*0)+(1*4)=58 58 % 10 = 8 So 1094-04-8 is a valid CAS Registry Number.