1613335-90-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1613335-90-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,3,3,3 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1613335-90:
(9*1)+(8*6)+(7*1)+(6*3)+(5*3)+(4*3)+(3*5)+(2*9)+(1*0)=142
142 % 10 = 2
So 1613335-90-2 is a valid CAS Registry Number.