396730-21-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 396730-21-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,6,7,3 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 396730-21:
(8*3)+(7*9)+(6*6)+(5*7)+(4*3)+(3*0)+(2*2)+(1*1)=175
175 % 10 = 5
So 396730-21-5 is a valid CAS Registry Number.