569657-74-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 569657-74-5 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 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 569657-74:
(8*5)+(7*6)+(6*9)+(5*6)+(4*5)+(3*7)+(2*7)+(1*4)=225
225 % 10 = 5
So 569657-74-5 is a valid CAS Registry Number.