1610045-54-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1610045-54-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,0,0,4 and 5 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1610045-54:
(9*1)+(8*6)+(7*1)+(6*0)+(5*0)+(4*4)+(3*5)+(2*5)+(1*4)=109
109 % 10 = 9
So 1610045-54-9 is a valid CAS Registry Number.