3052-99-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3052-99-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,0,5 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 3052-99:
(6*3)+(5*0)+(4*5)+(3*2)+(2*9)+(1*9)=71
71 % 10 = 1
So 3052-99-1 is a valid CAS Registry Number.