620569-34-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 620569-34-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,0,5,6 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 620569-34:
(8*6)+(7*2)+(6*0)+(5*5)+(4*6)+(3*9)+(2*3)+(1*4)=148
148 % 10 = 8
So 620569-34-8 is a valid CAS Registry Number.