754976-81-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 754976-81-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,4,9,7 and 6 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 754976-81:
(8*7)+(7*5)+(6*4)+(5*9)+(4*7)+(3*6)+(2*8)+(1*1)=223
223 % 10 = 3
So 754976-81-3 is a valid CAS Registry Number.