27388-27-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27388-27-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,3,8 and 8 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 27388-27:
(7*2)+(6*7)+(5*3)+(4*8)+(3*8)+(2*2)+(1*7)=138
138 % 10 = 8
So 27388-27-8 is a valid CAS Registry Number.