105459-28-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105459-28-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,4,5 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 105459-28:
(8*1)+(7*0)+(6*5)+(5*4)+(4*5)+(3*9)+(2*2)+(1*8)=117
117 % 10 = 7
So 105459-28-7 is a valid CAS Registry Number.
105459-28-7Relevant articles and documents
Mass Spectrometric Fragmentation Reactions. XXXI-The Fragmentation Behaviour of o-Halobenzoic Acids Substituted in the 5-Position: A Novel Ortho Effect
Breuer, M.,Budzikiewicz, H.
, p. 229 - 234 (2007/10/02)
A fragmentation sequence typical for o-halobenzoic acids carrying a heteroatom substituent in the 5-position is described.