1005090-50-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1005090-50-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,5,0,9 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1005090-50:
(9*1)+(8*0)+(7*0)+(6*5)+(5*0)+(4*9)+(3*0)+(2*5)+(1*0)=85
85 % 10 = 5
So 1005090-50-5 is a valid CAS Registry Number.