5,6,8,9,11,12,13,15-octahydrobenzo[b][1,4,10,13,7,16]-tetraoxadiazacyclooctadecine-3,14(2H,4H)-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 71574-45-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,5,7 and 4 respectively; the second part has 2 digits, 4 and 5 respectively. Calculate Digit Verification of CAS Registry Number 71574-45: (7*7)+(6*1)+(5*5)+(4*7)+(3*4)+(2*4)+(1*5)=133 133 % 10 = 3 So 71574-45-3 is a valid CAS Registry Number.