164064-65-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 164064-65-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,4,0,6 and 4 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 164064-65:
(8*1)+(7*6)+(6*4)+(5*0)+(4*6)+(3*4)+(2*6)+(1*5)=127
127 % 10 = 7
So 164064-65-7 is a valid CAS Registry Number.