442651-19-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 442651-19-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,2,6,5 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 442651-19:
(8*4)+(7*4)+(6*2)+(5*6)+(4*5)+(3*1)+(2*1)+(1*9)=136
136 % 10 = 6
So 442651-19-6 is a valid CAS Registry Number.