27810-13-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27810-13-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,8,1 and 0 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 27810-13:
(7*2)+(6*7)+(5*8)+(4*1)+(3*0)+(2*1)+(1*3)=105
105 % 10 = 5
So 27810-13-5 is a valid CAS Registry Number.