1622837-44-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1622837-44-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,2,8,3 and 7 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1622837-44:
(9*1)+(8*6)+(7*2)+(6*2)+(5*8)+(4*3)+(3*7)+(2*4)+(1*4)=168
168 % 10 = 8
So 1622837-44-8 is a valid CAS Registry Number.