1,4,7,10,13,17,20,23,26,29-decaoxacyclodotriacontane-14,16,30,32-tetraone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 503157-08-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,3,1,5 and 7 respectively; the second part has 2 digits, 0 and 8 respectively. Calculate Digit Verification of CAS Registry Number 503157-08: (8*5)+(7*0)+(6*3)+(5*1)+(4*5)+(3*7)+(2*0)+(1*8)=112 112 % 10 = 2 So 503157-08-2 is a valid CAS Registry Number.