1420987-79-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1420987-79-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,0,9,8 and 7 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1420987-79:
(9*1)+(8*4)+(7*2)+(6*0)+(5*9)+(4*8)+(3*7)+(2*7)+(1*9)=176
176 % 10 = 6
So 1420987-79-6 is a valid CAS Registry Number.