230283-69-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 230283-69-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,0,2,8 and 3 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 230283-69:
(8*2)+(7*3)+(6*0)+(5*2)+(4*8)+(3*3)+(2*6)+(1*9)=109
109 % 10 = 9
So 230283-69-9 is a valid CAS Registry Number.