2701-05-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2701-05-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,7,0 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2701-05:
(6*2)+(5*7)+(4*0)+(3*1)+(2*0)+(1*5)=55
55 % 10 = 5
So 2701-05-5 is a valid CAS Registry Number.