228876-53-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 228876-53-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,8,8,7 and 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 228876-53:
(8*2)+(7*2)+(6*8)+(5*8)+(4*7)+(3*6)+(2*5)+(1*3)=177
177 % 10 = 7
So 228876-53-7 is a valid CAS Registry Number.