271795-55-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 271795-55-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,1,7,9 and 5 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 271795-55:
(8*2)+(7*7)+(6*1)+(5*7)+(4*9)+(3*5)+(2*5)+(1*5)=172
172 % 10 = 2
So 271795-55-2 is a valid CAS Registry Number.