1600523-76-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1600523-76-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,0,5,2 and 3 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1600523-76:
(9*1)+(8*6)+(7*0)+(6*0)+(5*5)+(4*2)+(3*3)+(2*7)+(1*6)=119
119 % 10 = 9
So 1600523-76-9 is a valid CAS Registry Number.