Product details
Pyridinium Tribromide_39416-48-3

Pyridinium Tribromide

  • CAS:


  • English:

    Pyridinium Tribromide

  • Synonym:

    Pyridinium Tribromide
    Pyridinium bromide perbromide
    Intermediate of Mifepristone
    Intermediate of Brinzolamide


Product Name: Pyridinium Tribromide
Synonym: Pyridinium bromide perbromide; Intermediate of Mifepristone; Intermediate of Brinzolamide
Cas No.: 39416-48-3
Formula: C5H6Br3N
MW: 319.82
EINECS No.: 254-446-8

Boiling point: 115.3ºC at 760 mmHg
Melting point: 127-133 °C
Flash point: 20ºC
HS Code: 2933990099
Tax refund rate: 13%
UN No.: 3261
Hazard class: 8 categories 
Packing level: Class III
Appearance: Orange red powder
Assay (base on active bromine by titration): 45%~48%
Melting point: 127-133℃ 
Pyridinium Tribromide is a reagent used in the α-thiocyanation of ketones and has also been applied to the synthesis of β-adrenergic blocking agents (also known as β-blockers) for patients with heart failure.
Intermediate of Mifepristone.
Intermediate of Brinzolamide.
25 kg/barrel, can also be packaged according to customer requirements. 
Store in a cool, ventilated warehouse. 
Keep away from fire and heat. 
The temperature should not exceed 37 °C. 

We are a market leader in the development and manufacturing of high performance specialty chemicals. We foster an ambitious culture that focuses on open innovation for new chemical products and business growth.By following our guiding principles of Samples, Quotes, Literature, and Innovation, we are able to make continual process improvements for customers.In addition to our core competence in the standard unit operations of organic chemical synthesis, we offer specialised reaction technology, including innovative organometallic synthesis, catalytic transfer hydrogenation and the various operations required for synthesis of chiral compounds.Synthesis of reference compounds, intermediates, drug candidates, impurities and metabolites for customers with a range of milligrams to kilograms (including GMP quality).The production base is mainly located in Liaocheng City, Shandong Province, and Yuncheng City, Shanxi Province. It can complete the pilot test and enlarge the production work of various types of reactions

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