Pregnanetetrol-(3,17,20,21) is a naturally occurring steroid compound belonging to the pregnane family, characterized by its unique carbon skeleton structure. It is derived from the metabolism of cholesterol and is found in various biological systems, including plants, animals, and humans. pregnanetetrol-(3,17,20,21) exhibits a range of biological activities, such as anti-inflammatory, analgesic, and neuroprotective effects, making it a subject of interest in pharmaceutical research. Its chemical structure is defined by the presence of four hydroxyl groups at the 3, 17, 20, and 21 positions, which contribute to its specific properties and potential therapeutic applications.
The CAS Registry Mumber 977-24-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,7 and 7 respectively; the second part has 2 digits, 2 and 4 respectively. Calculate Digit Verification of CAS Registry Number 977-24: (5*9)+(4*7)+(3*7)+(2*2)+(1*4)=102 102 % 10 = 2 So 977-24-2 is a valid CAS Registry Number.