1623748-19-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1623748-19-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,3,7,4 and 8 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1623748-19:
(9*1)+(8*6)+(7*2)+(6*3)+(5*7)+(4*4)+(3*8)+(2*1)+(1*9)=175
175 % 10 = 5
So 1623748-19-5 is a valid CAS Registry Number.