30752-55-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30752-55-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,7,5 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 30752-55:
(7*3)+(6*0)+(5*7)+(4*5)+(3*2)+(2*5)+(1*5)=97
97 % 10 = 7
So 30752-55-7 is a valid CAS Registry Number.