30556-83-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30556-83-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,5,5 and 6 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 30556-83:
(7*3)+(6*0)+(5*5)+(4*5)+(3*6)+(2*8)+(1*3)=103
103 % 10 = 3
So 30556-83-3 is a valid CAS Registry Number.