10091-78-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 10091-78-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,0,9 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 10091-78:
(7*1)+(6*0)+(5*0)+(4*9)+(3*1)+(2*7)+(1*8)=68
68 % 10 = 8
So 10091-78-8 is a valid CAS Registry Number.