278782-72-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 278782-72-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,8,7,8 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 278782-72:
(8*2)+(7*7)+(6*8)+(5*7)+(4*8)+(3*2)+(2*7)+(1*2)=202
202 % 10 = 2
So 278782-72-2 is a valid CAS Registry Number.