108749-53-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108749-53-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,7,4 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 108749-53:
(8*1)+(7*0)+(6*8)+(5*7)+(4*4)+(3*9)+(2*5)+(1*3)=147
147 % 10 = 7
So 108749-53-7 is a valid CAS Registry Number.