654069-75-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 654069-75-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,4,0,6 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 654069-75:
(8*6)+(7*5)+(6*4)+(5*0)+(4*6)+(3*9)+(2*7)+(1*5)=177
177 % 10 = 7
So 654069-75-7 is a valid CAS Registry Number.