823221-97-2 Usage
General Description
3-bromo-5-chloro-2-iodopyridine is a chemical compound with the molecular formula C5H2BrClIN. It is a heterocyclic organic compound that contains a pyridine ring with bromine, chlorine, and iodine substituents. 3-bromo-5-chloro-2-iodopyridine is commonly used as a building block in organic synthesis, especially in pharmaceutical and agrochemical research. Its unique structure and reactivity make it valuable in the development of new chemical entities. 3-bromo-5-chloro-2-iodopyridine has the potential to be used in the synthesis of various biologically active compounds, making it an important intermediate in the pharmaceutical and chemical industries. However, it is important to handle this chemical with care, as it can be hazardous if not properly managed.
Check Digit Verification of cas no
The CAS Registry Mumber 823221-97-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,2,3,2,2 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 823221-97:
(8*8)+(7*2)+(6*3)+(5*2)+(4*2)+(3*1)+(2*9)+(1*7)=142
142 % 10 = 2
So 823221-97-2 is a valid CAS Registry Number.
823221-97-2Relevant articles and documents
Preparation process of 2-iodo-3-bromo-5-chloropyridine
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Paragraph 0011; 0012; 0013; 0014; 0015; 0016-0037, (2017/08/02)
The invention discloses a preparation process of 2-iodo-3-bromo-5-chloropyridine, wherein with 2-amino-3-bromo-5-chloropyridine is employed as a raw material and is subjected to a one-step reaction to synthesize the target product 2-iodo-3-bromo-5-chloropyridine, total yield reaching 71.2%. The preparation process employs low-cost and easy-to-obtained raw materials, has mild and easy-to-control reaction conditions, simple and convenient after treatment and high yield, and is easy to industrially apply.
