1623807-42-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1623807-42-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,3,8,0 and 7 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1623807-42:
(9*1)+(8*6)+(7*2)+(6*3)+(5*8)+(4*0)+(3*7)+(2*4)+(1*2)=160
160 % 10 = 0
So 1623807-42-0 is a valid CAS Registry Number.