104638-46-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104638-46-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,6,3 and 8 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 104638-46:
(8*1)+(7*0)+(6*4)+(5*6)+(4*3)+(3*8)+(2*4)+(1*6)=112
112 % 10 = 2
So 104638-46-2 is a valid CAS Registry Number.