1428637-18-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1428637-18-6 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, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1428637-18:
(9*1)+(8*4)+(7*2)+(6*8)+(5*6)+(4*3)+(3*7)+(2*1)+(1*8)=176
176 % 10 = 6
So 1428637-18-6 is a valid CAS Registry Number.