25847-74-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25847-74-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,8,4 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 25847-74:
(7*2)+(6*5)+(5*8)+(4*4)+(3*7)+(2*7)+(1*4)=139
139 % 10 = 9
So 25847-74-9 is a valid CAS Registry Number.