389070-39-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 389070-39-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,9,0,7 and 0 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 389070-39:
(8*3)+(7*8)+(6*9)+(5*0)+(4*7)+(3*0)+(2*3)+(1*9)=177
177 % 10 = 7
So 389070-39-7 is a valid CAS Registry Number.