400771-68-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 400771-68-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,0,7,7 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 400771-68:
(8*4)+(7*0)+(6*0)+(5*7)+(4*7)+(3*1)+(2*6)+(1*8)=118
118 % 10 = 8
So 400771-68-8 is a valid CAS Registry Number.