1052-07-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1052-07-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,0,5 and 2 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1052-07:
(6*1)+(5*0)+(4*5)+(3*2)+(2*0)+(1*7)=39
39 % 10 = 9
So 1052-07-9 is a valid CAS Registry Number.