155172-79-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155172-79-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,1,7 and 2 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 155172-79:
(8*1)+(7*5)+(6*5)+(5*1)+(4*7)+(3*2)+(2*7)+(1*9)=135
135 % 10 = 5
So 155172-79-5 is a valid CAS Registry Number.