372-84-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 372-84-9 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 2 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 372-84:
(5*3)+(4*7)+(3*2)+(2*8)+(1*4)=69
69 % 10 = 9
So 372-84-9 is a valid CAS Registry Number.