156159-38-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156159-38-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,1,5 and 9 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 156159-38:
(8*1)+(7*5)+(6*6)+(5*1)+(4*5)+(3*9)+(2*3)+(1*8)=145
145 % 10 = 5
So 156159-38-5 is a valid CAS Registry Number.