234442-58-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 234442-58-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,4,4,4 and 2 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 234442-58:
(8*2)+(7*3)+(6*4)+(5*4)+(4*4)+(3*2)+(2*5)+(1*8)=121
121 % 10 = 1
So 234442-58-1 is a valid CAS Registry Number.