1400659-77-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1400659-77-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,0,6,5 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1400659-77:
(9*1)+(8*4)+(7*0)+(6*0)+(5*6)+(4*5)+(3*9)+(2*7)+(1*7)=139
139 % 10 = 9
So 1400659-77-9 is a valid CAS Registry Number.