233253-23-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 233253-23-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,3,2,5 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 233253-23:
(8*2)+(7*3)+(6*3)+(5*2)+(4*5)+(3*3)+(2*2)+(1*3)=101
101 % 10 = 1
So 233253-23-1 is a valid CAS Registry Number.