103826-52-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103826-52-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,8,2 and 6 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 103826-52:
(8*1)+(7*0)+(6*3)+(5*8)+(4*2)+(3*6)+(2*5)+(1*2)=104
104 % 10 = 4
So 103826-52-4 is a valid CAS Registry Number.