72948-77-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72948-77-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,9,4 and 8 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 72948-77:
(7*7)+(6*2)+(5*9)+(4*4)+(3*8)+(2*7)+(1*7)=167
167 % 10 = 7
So 72948-77-7 is a valid CAS Registry Number.