1210745-51-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1210745-51-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,0,7,4 and 5 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1210745-51:
(9*1)+(8*2)+(7*1)+(6*0)+(5*7)+(4*4)+(3*5)+(2*5)+(1*1)=109
109 % 10 = 9
So 1210745-51-9 is a valid CAS Registry Number.