754928-89-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 754928-89-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,4,9,2 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 754928-89:
(8*7)+(7*5)+(6*4)+(5*9)+(4*2)+(3*8)+(2*8)+(1*9)=217
217 % 10 = 7
So 754928-89-7 is a valid CAS Registry Number.