56784-27-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56784-27-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,7,8 and 4 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 56784-27:
(7*5)+(6*6)+(5*7)+(4*8)+(3*4)+(2*2)+(1*7)=161
161 % 10 = 1
So 56784-27-1 is a valid CAS Registry Number.