271790-45-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 271790-45-5 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 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 271790-45:
(8*2)+(7*7)+(6*1)+(5*7)+(4*9)+(3*0)+(2*4)+(1*5)=155
155 % 10 = 5
So 271790-45-5 is a valid CAS Registry Number.