1337539-52-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1337539-52-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,7,5,3 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1337539-52:
(9*1)+(8*3)+(7*3)+(6*7)+(5*5)+(4*3)+(3*9)+(2*5)+(1*2)=172
172 % 10 = 2
So 1337539-52-2 is a valid CAS Registry Number.