1072091-52-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1072091-52-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,2,0,9 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1072091-52:
(9*1)+(8*0)+(7*7)+(6*2)+(5*0)+(4*9)+(3*1)+(2*5)+(1*2)=121
121 % 10 = 1
So 1072091-52-1 is a valid CAS Registry Number.