38004-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38004-90-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,0,0 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 38004-90:
(7*3)+(6*8)+(5*0)+(4*0)+(3*4)+(2*9)+(1*0)=99
99 % 10 = 9
So 38004-90-9 is a valid CAS Registry Number.