101783-89-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 101783-89-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,7,8 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 101783-89:
(8*1)+(7*0)+(6*1)+(5*7)+(4*8)+(3*3)+(2*8)+(1*9)=115
115 % 10 = 5
So 101783-89-5 is a valid CAS Registry Number.