28906-38-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28906-38-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,9,0 and 6 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 28906-38:
(7*2)+(6*8)+(5*9)+(4*0)+(3*6)+(2*3)+(1*8)=139
139 % 10 = 9
So 28906-38-9 is a valid CAS Registry Number.
InChI:InChI=1/C6H4BrCl/c7-5-3-1-2-4-6(5)8/h1-4H