259738-74-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 259738-74-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,9,7,3 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 259738-74:
(8*2)+(7*5)+(6*9)+(5*7)+(4*3)+(3*8)+(2*7)+(1*4)=194
194 % 10 = 4
So 259738-74-4 is a valid CAS Registry Number.