230615-81-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 230615-81-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,0,6,1 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 230615-81:
(8*2)+(7*3)+(6*0)+(5*6)+(4*1)+(3*5)+(2*8)+(1*1)=103
103 % 10 = 3
So 230615-81-3 is a valid CAS Registry Number.