30312-51-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30312-51-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,3,1 and 2 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 30312-51:
(7*3)+(6*0)+(5*3)+(4*1)+(3*2)+(2*5)+(1*1)=57
57 % 10 = 7
So 30312-51-7 is a valid CAS Registry Number.