928-38-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 928-38-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,2 and 8 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 928-38:
(5*9)+(4*2)+(3*8)+(2*3)+(1*8)=91
91 % 10 = 1
So 928-38-1 is a valid CAS Registry Number.