401908-50-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 401908-50-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,1,9,0 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 401908-50:
(8*4)+(7*0)+(6*1)+(5*9)+(4*0)+(3*8)+(2*5)+(1*0)=117
117 % 10 = 7
So 401908-50-7 is a valid CAS Registry Number.