1613239-77-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1613239-77-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,3,2,3 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1613239-77:
(9*1)+(8*6)+(7*1)+(6*3)+(5*2)+(4*3)+(3*9)+(2*7)+(1*7)=152
152 % 10 = 2
So 1613239-77-2 is a valid CAS Registry Number.