610781-44-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 610781-44-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,0,7,8 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 610781-44:
(8*6)+(7*1)+(6*0)+(5*7)+(4*8)+(3*1)+(2*4)+(1*4)=137
137 % 10 = 7
So 610781-44-7 is a valid CAS Registry Number.