2780-85-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2780-85-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,7,8 and 0 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2780-85:
(6*2)+(5*7)+(4*8)+(3*0)+(2*8)+(1*5)=100
100 % 10 = 0
So 2780-85-0 is a valid CAS Registry Number.