156004-45-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156004-45-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,0,0 and 4 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 156004-45:
(8*1)+(7*5)+(6*6)+(5*0)+(4*0)+(3*4)+(2*4)+(1*5)=104
104 % 10 = 4
So 156004-45-4 is a valid CAS Registry Number.