1428156-21-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1428156-21-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,8,1,5 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1428156-21:
(9*1)+(8*4)+(7*2)+(6*8)+(5*1)+(4*5)+(3*6)+(2*2)+(1*1)=151
151 % 10 = 1
So 1428156-21-1 is a valid CAS Registry Number.