2,14-Diiodo-6,7,9,10,17,18,20,21-octahydro-5,8,11,16,19,22-hexaoxa-dibenzo[a,j]cyclooctadecene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 134403-74-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,4,0 and 3 respectively; the second part has 2 digits, 7 and 4 respectively. Calculate Digit Verification of CAS Registry Number 134403-74: (8*1)+(7*3)+(6*4)+(5*4)+(4*0)+(3*3)+(2*7)+(1*4)=100 100 % 10 = 0 So 134403-74-0 is a valid CAS Registry Number.