213740-03-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 213740-03-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,7,4 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 213740-03:
(8*2)+(7*1)+(6*3)+(5*7)+(4*4)+(3*0)+(2*0)+(1*3)=95
95 % 10 = 5
So 213740-03-5 is a valid CAS Registry Number.