1009747-23-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1009747-23-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,9,7,4 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1009747-23:
(9*1)+(8*0)+(7*0)+(6*9)+(5*7)+(4*4)+(3*7)+(2*2)+(1*3)=142
142 % 10 = 2
So 1009747-23-2 is a valid CAS Registry Number.