23283-04-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23283-04-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,2,8 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 23283-04:
(7*2)+(6*3)+(5*2)+(4*8)+(3*3)+(2*0)+(1*4)=87
87 % 10 = 7
So 23283-04-7 is a valid CAS Registry Number.