76309-83-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76309-83-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,3,0 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 76309-83:
(7*7)+(6*6)+(5*3)+(4*0)+(3*9)+(2*8)+(1*3)=146
146 % 10 = 6
So 76309-83-6 is a valid CAS Registry Number.