888733-57-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 888733-57-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,8,7,3 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 888733-57:
(8*8)+(7*8)+(6*8)+(5*7)+(4*3)+(3*3)+(2*5)+(1*7)=241
241 % 10 = 1
So 888733-57-1 is a valid CAS Registry Number.