191406-77-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 191406-77-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,4,0 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 191406-77:
(8*1)+(7*9)+(6*1)+(5*4)+(4*0)+(3*6)+(2*7)+(1*7)=136
136 % 10 = 6
So 191406-77-6 is a valid CAS Registry Number.