157170-46-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157170-46-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,1,7 and 0 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 157170-46:
(8*1)+(7*5)+(6*7)+(5*1)+(4*7)+(3*0)+(2*4)+(1*6)=132
132 % 10 = 2
So 157170-46-2 is a valid CAS Registry Number.