259656-88-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 259656-88-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,9,6,5 and 6 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 259656-88:
(8*2)+(7*5)+(6*9)+(5*6)+(4*5)+(3*6)+(2*8)+(1*8)=197
197 % 10 = 7
So 259656-88-7 is a valid CAS Registry Number.