23550-12-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23550-12-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,5,5 and 0 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 23550-12:
(7*2)+(6*3)+(5*5)+(4*5)+(3*0)+(2*1)+(1*2)=81
81 % 10 = 1
So 23550-12-1 is a valid CAS Registry Number.