452976-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 452976-57-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,2,9,7 and 6 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 452976-57:
(8*4)+(7*5)+(6*2)+(5*9)+(4*7)+(3*6)+(2*5)+(1*7)=187
187 % 10 = 7
So 452976-57-7 is a valid CAS Registry Number.