51658-29-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51658-29-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,6,5 and 8 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 51658-29:
(7*5)+(6*1)+(5*6)+(4*5)+(3*8)+(2*2)+(1*9)=128
128 % 10 = 8
So 51658-29-8 is a valid CAS Registry Number.