251291-85-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 251291-85-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,1,2,9 and 1 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 251291-85:
(8*2)+(7*5)+(6*1)+(5*2)+(4*9)+(3*1)+(2*8)+(1*5)=127
127 % 10 = 7
So 251291-85-7 is a valid CAS Registry Number.