108153-38-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108153-38-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,1,5 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 108153-38:
(8*1)+(7*0)+(6*8)+(5*1)+(4*5)+(3*3)+(2*3)+(1*8)=104
104 % 10 = 4
So 108153-38-4 is a valid CAS Registry Number.