101891-12-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 101891-12-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,8,9 and 1 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 101891-12:
(8*1)+(7*0)+(6*1)+(5*8)+(4*9)+(3*1)+(2*1)+(1*2)=97
97 % 10 = 7
So 101891-12-7 is a valid CAS Registry Number.