1639124-60-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1639124-60-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,9,1,2 and 4 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1639124-60:
(9*1)+(8*6)+(7*3)+(6*9)+(5*1)+(4*2)+(3*4)+(2*6)+(1*0)=169
169 % 10 = 9
So 1639124-60-9 is a valid CAS Registry Number.