873980-25-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873980-25-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,9,8 and 0 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 873980-25:
(8*8)+(7*7)+(6*3)+(5*9)+(4*8)+(3*0)+(2*2)+(1*5)=217
217 % 10 = 7
So 873980-25-7 is a valid CAS Registry Number.