1216816-26-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1216816-26-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,6,8,1 and 6 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1216816-26:
(9*1)+(8*2)+(7*1)+(6*6)+(5*8)+(4*1)+(3*6)+(2*2)+(1*6)=140
140 % 10 = 0
So 1216816-26-0 is a valid CAS Registry Number.