27139-01-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27139-01-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,1,3 and 9 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 27139-01:
(7*2)+(6*7)+(5*1)+(4*3)+(3*9)+(2*0)+(1*1)=101
101 % 10 = 1
So 27139-01-1 is a valid CAS Registry Number.