1027038-54-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1027038-54-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,7,0,3 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1027038-54:
(9*1)+(8*0)+(7*2)+(6*7)+(5*0)+(4*3)+(3*8)+(2*5)+(1*4)=115
115 % 10 = 5
So 1027038-54-5 is a valid CAS Registry Number.