20158-29-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20158-29-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,1,5 and 8 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 20158-29:
(7*2)+(6*0)+(5*1)+(4*5)+(3*8)+(2*2)+(1*9)=76
76 % 10 = 6
So 20158-29-6 is a valid CAS Registry Number.