6,7,8,9,10,11,12,13,19,20-decahydro-5H-dibenzo<1,4,8,11,14>dioxatriazacycloheptadecine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 77016-63-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,0,1 and 6 respectively; the second part has 2 digits, 6 and 3 respectively. Calculate Digit Verification of CAS Registry Number 77016-63: (7*7)+(6*7)+(5*0)+(4*1)+(3*6)+(2*6)+(1*3)=128 128 % 10 = 8 So 77016-63-8 is a valid CAS Registry Number.