29823-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 29823-90-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,8,2 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 29823-90:
(7*2)+(6*9)+(5*8)+(4*2)+(3*3)+(2*9)+(1*0)=143
143 % 10 = 3
So 29823-90-3 is a valid CAS Registry Number.