1799421-08-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1799421-08-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,7,9,9,4,2 and 1 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1799421-08:
(9*1)+(8*7)+(7*9)+(6*9)+(5*4)+(4*2)+(3*1)+(2*0)+(1*8)=221
221 % 10 = 1
So 1799421-08-1 is a valid CAS Registry Number.