1304688-76-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1304688-76-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,4,6,8 and 8 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1304688-76:
(9*1)+(8*3)+(7*0)+(6*4)+(5*6)+(4*8)+(3*8)+(2*7)+(1*6)=163
163 % 10 = 3
So 1304688-76-3 is a valid CAS Registry Number.