569658-12-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 569658-12-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,6,9,6,5 and 8 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 569658-12:
(8*5)+(7*6)+(6*9)+(5*6)+(4*5)+(3*8)+(2*1)+(1*2)=214
214 % 10 = 4
So 569658-12-4 is a valid CAS Registry Number.