213130-05-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 213130-05-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,1,3 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 213130-05:
(8*2)+(7*1)+(6*3)+(5*1)+(4*3)+(3*0)+(2*0)+(1*5)=63
63 % 10 = 3
So 213130-05-3 is a valid CAS Registry Number.