105975-15-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105975-15-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,9,7 and 5 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 105975-15:
(8*1)+(7*0)+(6*5)+(5*9)+(4*7)+(3*5)+(2*1)+(1*5)=133
133 % 10 = 3
So 105975-15-3 is a valid CAS Registry Number.