1431697-86-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1431697-86-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,1,6,9 and 7 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1431697-86:
(9*1)+(8*4)+(7*3)+(6*1)+(5*6)+(4*9)+(3*7)+(2*8)+(1*6)=177
177 % 10 = 7
So 1431697-86-7 is a valid CAS Registry Number.