2887-73-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2887-73-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,8,8 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 2887-73:
(6*2)+(5*8)+(4*8)+(3*7)+(2*7)+(1*3)=122
122 % 10 = 2
So 2887-73-2 is a valid CAS Registry Number.