932-55-8 Usage
General Description
2,4,6-Cycloheptatrien-1-one, 2-bromo- is a chemical compound with the molecular formula C7H5BrO. It is a brominated derivative of cycloheptatrienone, a seven-membered ring containing an oxygen atom and a double bond. 2,4,6-Cycloheptatrien-1-one, 2-bromo- is a yellowish solid that is used in organic synthesis as a building block for creating other chemical compounds. It is also known for its use in the preparation of heterocyclic compounds and pharmaceuticals. Additionally, it is a key intermediate in the production of fine chemicals and complex organic molecules.
Check Digit Verification of cas no
The CAS Registry Mumber 932-55-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,3 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 932-55:
(5*9)+(4*3)+(3*2)+(2*5)+(1*5)=78
78 % 10 = 8
So 932-55-8 is a valid CAS Registry Number.
932-55-8Relevant articles and documents
Electrophilic catalysis in nucleophilic substitution reactions in ionic liquids
Cavazza, Marino,Pietra, Francesco
, p. 3633 - 3634 (2007/10/03)
2-Chlorotropone was obtained from 2-tosyloxytropone in 88% yield in the recyclable ionic medium BMIMBF4/LiCl. That Li+ acts as a Lewis acid was proven by the lack of reactivity of 2-tosyloxytropone, under the above conditions, on replacing LiCl with NaCl or BMIMCl, or using BMIMCl alone, or a BMIMBF4/MeCN/KCl mixture. 2-Bromo- and 2-iodotropone were obtained along similar lines from LiBr or LiI, respectively, whereas LiF proved unreactive.
