123315-53-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123315-53-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,3,1 and 5 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 123315-53:
(8*1)+(7*2)+(6*3)+(5*3)+(4*1)+(3*5)+(2*5)+(1*3)=87
87 % 10 = 7
So 123315-53-7 is a valid CAS Registry Number.