1000931-72-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1000931-72-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,0,9,3 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1000931-72:
(9*1)+(8*0)+(7*0)+(6*0)+(5*9)+(4*3)+(3*1)+(2*7)+(1*2)=85
85 % 10 = 5
So 1000931-72-5 is a valid CAS Registry Number.