1610675-81-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1610675-81-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,0,6,7 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1610675-81:
(9*1)+(8*6)+(7*1)+(6*0)+(5*6)+(4*7)+(3*5)+(2*8)+(1*1)=154
154 % 10 = 4
So 1610675-81-4 is a valid CAS Registry Number.