940501-77-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 940501-77-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,0,5,0 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 940501-77:
(8*9)+(7*4)+(6*0)+(5*5)+(4*0)+(3*1)+(2*7)+(1*7)=149
149 % 10 = 9
So 940501-77-9 is a valid CAS Registry Number.