1610666-97-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1610666-97-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,0,6,6 and 6 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1610666-97:
(9*1)+(8*6)+(7*1)+(6*0)+(5*6)+(4*6)+(3*6)+(2*9)+(1*7)=161
161 % 10 = 1
So 1610666-97-1 is a valid CAS Registry Number.