159014-54-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 159014-54-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,0,1 and 4 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 159014-54:
(8*1)+(7*5)+(6*9)+(5*0)+(4*1)+(3*4)+(2*5)+(1*4)=127
127 % 10 = 7
So 159014-54-7 is a valid CAS Registry Number.