104958-30-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104958-30-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,9,5 and 8 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 104958-30:
(8*1)+(7*0)+(6*4)+(5*9)+(4*5)+(3*8)+(2*3)+(1*0)=127
127 % 10 = 7
So 104958-30-7 is a valid CAS Registry Number.