105787-90-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105787-90-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,7,8 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 105787-90:
(8*1)+(7*0)+(6*5)+(5*7)+(4*8)+(3*7)+(2*9)+(1*0)=144
144 % 10 = 4
So 105787-90-4 is a valid CAS Registry Number.