78105-50-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78105-50-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,1,0 and 5 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 78105-50:
(7*7)+(6*8)+(5*1)+(4*0)+(3*5)+(2*5)+(1*0)=127
127 % 10 = 7
So 78105-50-7 is a valid CAS Registry Number.