"20ξ-hydroxy-3'-phenyl-(16β)-16H-pregn-4-eno[16,17-d]isoxazol-3-one" is a complex organic compound with a steroidal backbone, specifically a derivative of pregnane. It features a hydroxyl group at the 20ξ position, a phenyl ring at the 3' position, and an isoxazole ring fused to the pregnane structure. The 16H indicates a hydrogen atom at the 16 position, and the 16β configuration refers to the stereochemistry of the molecule. 20ξ-hydroxy-3'-phenyl-(16β)-16H-pregn-4-eno[16,17-d]isoxazol-3-one is characterized by its unique structure, which includes a 4-enone group and an isoxazolone ring, suggesting potential applications in medicinal chemistry or as a research tool for studying steroidal compounds.
The CAS Registry Mumber 1178-53-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,7 and 8 respectively; the second part has 2 digits, 5 and 3 respectively. Calculate Digit Verification of CAS Registry Number 1178-53: (6*1)+(5*1)+(4*7)+(3*8)+(2*5)+(1*3)=76 76 % 10 = 6 So 1178-53-6 is a valid CAS Registry Number.