1428637-05-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1428637-05-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,8,6,3 and 7 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1428637-05:
(9*1)+(8*4)+(7*2)+(6*8)+(5*6)+(4*3)+(3*7)+(2*0)+(1*5)=171
171 % 10 = 1
So 1428637-05-1 is a valid CAS Registry Number.