105104-77-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105104-77-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,1,0 and 4 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 105104-77:
(8*1)+(7*0)+(6*5)+(5*1)+(4*0)+(3*4)+(2*7)+(1*7)=76
76 % 10 = 6
So 105104-77-6 is a valid CAS Registry Number.