651711-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 651711-72-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,1,7,1 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 651711-72:
(8*6)+(7*5)+(6*1)+(5*7)+(4*1)+(3*1)+(2*7)+(1*2)=147
147 % 10 = 7
So 651711-72-7 is a valid CAS Registry Number.