1236257-83-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1236257-83-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,6,2,5 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1236257-83:
(9*1)+(8*2)+(7*3)+(6*6)+(5*2)+(4*5)+(3*7)+(2*8)+(1*3)=152
152 % 10 = 2
So 1236257-83-2 is a valid CAS Registry Number.