861789-74-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 861789-74-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,7,8 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 861789-74:
(8*8)+(7*6)+(6*1)+(5*7)+(4*8)+(3*9)+(2*7)+(1*4)=224
224 % 10 = 4
So 861789-74-4 is a valid CAS Registry Number.