38458-12-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38458-12-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,4,5 and 8 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 38458-12:
(7*3)+(6*8)+(5*4)+(4*5)+(3*8)+(2*1)+(1*2)=137
137 % 10 = 7
So 38458-12-7 is a valid CAS Registry Number.