15648-71-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15648-71-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,6,4 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 15648-71:
(7*1)+(6*5)+(5*6)+(4*4)+(3*8)+(2*7)+(1*1)=122
122 % 10 = 2
So 15648-71-2 is a valid CAS Registry Number.