1236202-89-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1236202-89-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,6,2,0 and 2 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1236202-89:
(9*1)+(8*2)+(7*3)+(6*6)+(5*2)+(4*0)+(3*2)+(2*8)+(1*9)=123
123 % 10 = 3
So 1236202-89-3 is a valid CAS Registry Number.