162739-42-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 162739-42-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,2,7,3 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 162739-42:
(8*1)+(7*6)+(6*2)+(5*7)+(4*3)+(3*9)+(2*4)+(1*2)=146
146 % 10 = 6
So 162739-42-6 is a valid CAS Registry Number.