4052-72-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4052-72-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,5 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4052-72:
(6*4)+(5*0)+(4*5)+(3*2)+(2*7)+(1*2)=66
66 % 10 = 6
So 4052-72-6 is a valid CAS Registry Number.