257602-69-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 257602-69-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,7,6,0 and 2 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 257602-69:
(8*2)+(7*5)+(6*7)+(5*6)+(4*0)+(3*2)+(2*6)+(1*9)=150
150 % 10 = 0
So 257602-69-0 is a valid CAS Registry Number.