881589-65-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 881589-65-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,1,5,8 and 9 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 881589-65:
(8*8)+(7*8)+(6*1)+(5*5)+(4*8)+(3*9)+(2*6)+(1*5)=227
227 % 10 = 7
So 881589-65-7 is a valid CAS Registry Number.