203927-82-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 203927-82-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,9,2 and 7 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 203927-82:
(8*2)+(7*0)+(6*3)+(5*9)+(4*2)+(3*7)+(2*8)+(1*2)=126
126 % 10 = 6
So 203927-82-6 is a valid CAS Registry Number.