1000574-23-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1000574-23-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,0,5,7 and 4 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1000574-23:
(9*1)+(8*0)+(7*0)+(6*0)+(5*5)+(4*7)+(3*4)+(2*2)+(1*3)=81
81 % 10 = 1
So 1000574-23-1 is a valid CAS Registry Number.