100277-57-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100277-57-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,2,7 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 100277-57:
(8*1)+(7*0)+(6*0)+(5*2)+(4*7)+(3*7)+(2*5)+(1*7)=84
84 % 10 = 4
So 100277-57-4 is a valid CAS Registry Number.