562107-65-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 562107-65-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,6,2,1,0 and 7 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 562107-65:
(8*5)+(7*6)+(6*2)+(5*1)+(4*0)+(3*7)+(2*6)+(1*5)=137
137 % 10 = 7
So 562107-65-7 is a valid CAS Registry Number.