1402665-69-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1402665-69-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,2,6,6 and 5 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1402665-69:
(9*1)+(8*4)+(7*0)+(6*2)+(5*6)+(4*6)+(3*5)+(2*6)+(1*9)=143
143 % 10 = 3
So 1402665-69-3 is a valid CAS Registry Number.