72658-48-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72658-48-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,6,5 and 8 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 72658-48:
(7*7)+(6*2)+(5*6)+(4*5)+(3*8)+(2*4)+(1*8)=151
151 % 10 = 1
So 72658-48-1 is a valid CAS Registry Number.