23958-92-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23958-92-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,9,5 and 8 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 23958-92:
(7*2)+(6*3)+(5*9)+(4*5)+(3*8)+(2*9)+(1*2)=141
141 % 10 = 1
So 23958-92-1 is a valid CAS Registry Number.