1397228-83-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1397228-83-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,7,2,2 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1397228-83:
(9*1)+(8*3)+(7*9)+(6*7)+(5*2)+(4*2)+(3*8)+(2*8)+(1*3)=199
199 % 10 = 9
So 1397228-83-9 is a valid CAS Registry Number.