156489-01-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156489-01-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,4,8 and 9 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 156489-01:
(8*1)+(7*5)+(6*6)+(5*4)+(4*8)+(3*9)+(2*0)+(1*1)=159
159 % 10 = 9
So 156489-01-9 is a valid CAS Registry Number.