130823-65-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130823-65-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,8,2 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 130823-65:
(8*1)+(7*3)+(6*0)+(5*8)+(4*2)+(3*3)+(2*6)+(1*5)=103
103 % 10 = 3
So 130823-65-3 is a valid CAS Registry Number.