1397270-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1397270-99-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,7,2,7 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1397270-99:
(9*1)+(8*3)+(7*9)+(6*7)+(5*2)+(4*7)+(3*0)+(2*9)+(1*9)=203
203 % 10 = 3
So 1397270-99-3 is a valid CAS Registry Number.