105540-08-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105540-08-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,5,4 and 0 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 105540-08:
(8*1)+(7*0)+(6*5)+(5*5)+(4*4)+(3*0)+(2*0)+(1*8)=87
87 % 10 = 7
So 105540-08-7 is a valid CAS Registry Number.