76384-71-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76384-71-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,3,8 and 4 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 76384-71:
(7*7)+(6*6)+(5*3)+(4*8)+(3*4)+(2*7)+(1*1)=159
159 % 10 = 9
So 76384-71-9 is a valid CAS Registry Number.