287730-13-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 287730-13-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,7,7,3 and 0 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 287730-13:
(8*2)+(7*8)+(6*7)+(5*7)+(4*3)+(3*0)+(2*1)+(1*3)=166
166 % 10 = 6
So 287730-13-6 is a valid CAS Registry Number.