1622457-08-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1622457-08-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,2,4,5 and 7 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1622457-08:
(9*1)+(8*6)+(7*2)+(6*2)+(5*4)+(4*5)+(3*7)+(2*0)+(1*8)=152
152 % 10 = 2
So 1622457-08-2 is a valid CAS Registry Number.