27784-73-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27784-73-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,7,8 and 4 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 27784-73:
(7*2)+(6*7)+(5*7)+(4*8)+(3*4)+(2*7)+(1*3)=152
152 % 10 = 2
So 27784-73-2 is a valid CAS Registry Number.