1397005-54-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1397005-54-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,7,0,0 and 5 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1397005-54:
(9*1)+(8*3)+(7*9)+(6*7)+(5*0)+(4*0)+(3*5)+(2*5)+(1*4)=167
167 % 10 = 7
So 1397005-54-7 is a valid CAS Registry Number.