288321-56-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 288321-56-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,8,3,2 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 288321-56:
(8*2)+(7*8)+(6*8)+(5*3)+(4*2)+(3*1)+(2*5)+(1*6)=162
162 % 10 = 2
So 288321-56-2 is a valid CAS Registry Number.