287963-93-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 287963-93-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,7,9,6 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 287963-93:
(8*2)+(7*8)+(6*7)+(5*9)+(4*6)+(3*3)+(2*9)+(1*3)=213
213 % 10 = 3
So 287963-93-3 is a valid CAS Registry Number.