1337571-68-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1337571-68-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,7,5,7 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1337571-68:
(9*1)+(8*3)+(7*3)+(6*7)+(5*5)+(4*7)+(3*1)+(2*6)+(1*8)=172
172 % 10 = 2
So 1337571-68-2 is a valid CAS Registry Number.