25836-97-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25836-97-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,8,3 and 6 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 25836-97:
(7*2)+(6*5)+(5*8)+(4*3)+(3*6)+(2*9)+(1*7)=139
139 % 10 = 9
So 25836-97-9 is a valid CAS Registry Number.