137325-71-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137325-71-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,3,2 and 5 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 137325-71:
(8*1)+(7*3)+(6*7)+(5*3)+(4*2)+(3*5)+(2*7)+(1*1)=124
124 % 10 = 4
So 137325-71-4 is a valid CAS Registry Number.