1613396-98-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1613396-98-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,3,3,9 and 6 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1613396-98:
(9*1)+(8*6)+(7*1)+(6*3)+(5*3)+(4*9)+(3*6)+(2*9)+(1*8)=177
177 % 10 = 7
So 1613396-98-7 is a valid CAS Registry Number.