372120-72-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 372120-72-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,7,2,1,2 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 372120-72:
(8*3)+(7*7)+(6*2)+(5*1)+(4*2)+(3*0)+(2*7)+(1*2)=114
114 % 10 = 4
So 372120-72-4 is a valid CAS Registry Number.