372515-55-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 372515-55-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,7,2,5,1 and 5 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 372515-55:
(8*3)+(7*7)+(6*2)+(5*5)+(4*1)+(3*5)+(2*5)+(1*5)=144
144 % 10 = 4
So 372515-55-4 is a valid CAS Registry Number.