12003-70-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12003-70-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,0,0 and 3 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 12003-70:
(7*1)+(6*2)+(5*0)+(4*0)+(3*3)+(2*7)+(1*0)=42
42 % 10 = 2
So 12003-70-2 is a valid CAS Registry Number.