442906-30-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 442906-30-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,2,9,0 and 6 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 442906-30:
(8*4)+(7*4)+(6*2)+(5*9)+(4*0)+(3*6)+(2*3)+(1*0)=141
141 % 10 = 1
So 442906-30-1 is a valid CAS Registry Number.