1236143-34-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1236143-34-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,6,1,4 and 3 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1236143-34:
(9*1)+(8*2)+(7*3)+(6*6)+(5*1)+(4*4)+(3*3)+(2*3)+(1*4)=122
122 % 10 = 2
So 1236143-34-2 is a valid CAS Registry Number.