4435-30-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4435-30-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,3 and 5 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 4435-30:
(6*4)+(5*4)+(4*3)+(3*5)+(2*3)+(1*0)=77
77 % 10 = 7
So 4435-30-7 is a valid CAS Registry Number.