1369503-21-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1369503-21-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,6,9,5,0 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1369503-21:
(9*1)+(8*3)+(7*6)+(6*9)+(5*5)+(4*0)+(3*3)+(2*2)+(1*1)=168
168 % 10 = 8
So 1369503-21-8 is a valid CAS Registry Number.