(4R*,4aS*,7R*,7aS*)-4,4a,6,7a,8-hexahydro-4,4a,7,7a-tetramethylindeno<5,6-b>furan-3(2H),5-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 72446-23-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,4,4 and 6 respectively; the second part has 2 digits, 2 and 3 respectively. Calculate Digit Verification of CAS Registry Number 72446-23: (7*7)+(6*2)+(5*4)+(4*4)+(3*6)+(2*2)+(1*3)=122 122 % 10 = 2 So 72446-23-2 is a valid CAS Registry Number.