1382391-57-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1382391-57-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,2,3,9 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1382391-57:
(9*1)+(8*3)+(7*8)+(6*2)+(5*3)+(4*9)+(3*1)+(2*5)+(1*7)=172
172 % 10 = 2
So 1382391-57-2 is a valid CAS Registry Number.