689153-19-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 689153-19-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,9,1,5 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 689153-19:
(8*6)+(7*8)+(6*9)+(5*1)+(4*5)+(3*3)+(2*1)+(1*9)=203
203 % 10 = 3
So 689153-19-3 is a valid CAS Registry Number.