78389-06-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78389-06-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,3,8 and 9 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 78389-06:
(7*7)+(6*8)+(5*3)+(4*8)+(3*9)+(2*0)+(1*6)=177
177 % 10 = 7
So 78389-06-7 is a valid CAS Registry Number.