612803-79-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 612803-79-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,2,8,0 and 3 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 612803-79:
(8*6)+(7*1)+(6*2)+(5*8)+(4*0)+(3*3)+(2*7)+(1*9)=139
139 % 10 = 9
So 612803-79-9 is a valid CAS Registry Number.