27684-39-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27684-39-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,6,8 and 4 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 27684-39:
(7*2)+(6*7)+(5*6)+(4*8)+(3*4)+(2*3)+(1*9)=145
145 % 10 = 5
So 27684-39-5 is a valid CAS Registry Number.