137481-56-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137481-56-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,4,8 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 137481-56:
(8*1)+(7*3)+(6*7)+(5*4)+(4*8)+(3*1)+(2*5)+(1*6)=142
142 % 10 = 2
So 137481-56-2 is a valid CAS Registry Number.