13974-49-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13974-49-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,9,7 and 4 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 13974-49:
(7*1)+(6*3)+(5*9)+(4*7)+(3*4)+(2*4)+(1*9)=127
127 % 10 = 7
So 13974-49-7 is a valid CAS Registry Number.