5689-29-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5689-29-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,8 and 9 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5689-29:
(6*5)+(5*6)+(4*8)+(3*9)+(2*2)+(1*9)=132
132 % 10 = 2
So 5689-29-2 is a valid CAS Registry Number.