371-45-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 371-45-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,7 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 371-45:
(5*3)+(4*7)+(3*1)+(2*4)+(1*5)=59
59 % 10 = 9
So 371-45-9 is a valid CAS Registry Number.