651709-67-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 651709-67-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,1,7,0 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 651709-67:
(8*6)+(7*5)+(6*1)+(5*7)+(4*0)+(3*9)+(2*6)+(1*7)=170
170 % 10 = 0
So 651709-67-0 is a valid CAS Registry Number.