213331-70-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 213331-70-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,3,3 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 213331-70:
(8*2)+(7*1)+(6*3)+(5*3)+(4*3)+(3*1)+(2*7)+(1*0)=85
85 % 10 = 5
So 213331-70-5 is a valid CAS Registry Number.