1622428-38-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1622428-38-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,2,4,2 and 8 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1622428-38:
(9*1)+(8*6)+(7*2)+(6*2)+(5*4)+(4*2)+(3*8)+(2*3)+(1*8)=149
149 % 10 = 9
So 1622428-38-9 is a valid CAS Registry Number.