27680-25-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27680-25-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,6,8 and 0 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 27680-25:
(7*2)+(6*7)+(5*6)+(4*8)+(3*0)+(2*2)+(1*5)=127
127 % 10 = 7
So 27680-25-7 is a valid CAS Registry Number.