61789-34-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61789-34-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,7,8 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 61789-34:
(7*6)+(6*1)+(5*7)+(4*8)+(3*9)+(2*3)+(1*4)=152
152 % 10 = 2
So 61789-34-2 is a valid CAS Registry Number.