1612838-71-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1612838-71-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,2,8,3 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1612838-71:
(9*1)+(8*6)+(7*1)+(6*2)+(5*8)+(4*3)+(3*8)+(2*7)+(1*1)=167
167 % 10 = 7
So 1612838-71-7 is a valid CAS Registry Number.