162781-37-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 162781-37-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,2,7,8 and 1 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 162781-37:
(8*1)+(7*6)+(6*2)+(5*7)+(4*8)+(3*1)+(2*3)+(1*7)=145
145 % 10 = 5
So 162781-37-5 is a valid CAS Registry Number.