1416402-99-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1416402-99-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,6,4,0 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1416402-99:
(9*1)+(8*4)+(7*1)+(6*6)+(5*4)+(4*0)+(3*2)+(2*9)+(1*9)=137
137 % 10 = 7
So 1416402-99-7 is a valid CAS Registry Number.