1258494-58-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1258494-58-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,8,4,9 and 4 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1258494-58:
(9*1)+(8*2)+(7*5)+(6*8)+(5*4)+(4*9)+(3*4)+(2*5)+(1*8)=194
194 % 10 = 4
So 1258494-58-4 is a valid CAS Registry Number.