1321675-71-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1321675-71-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,2,1,6,7 and 5 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1321675-71:
(9*1)+(8*3)+(7*2)+(6*1)+(5*6)+(4*7)+(3*5)+(2*7)+(1*1)=141
141 % 10 = 1
So 1321675-71-1 is a valid CAS Registry Number.