213401-74-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 213401-74-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,4,0 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 213401-74:
(8*2)+(7*1)+(6*3)+(5*4)+(4*0)+(3*1)+(2*7)+(1*4)=82
82 % 10 = 2
So 213401-74-2 is a valid CAS Registry Number.