5-Methyl-4-isoxazol...

5-Methyl-4-isoxazolecarboxylic acid

5-Methyl-4-isoxazolecarboxylic acid

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10 Gram

Negotiable

  • Min.Order :10 Gram
  • Purity: >99%
  • Payment Terms : L/C,D/P,T/T,,Other

Keywords

42831-50-5 in stock high quality 5-Methyl-4-isoxazole carboxylic acid 5-Methyl-4-isoxazole carboxylic acid 99%min

Quick Details

  • Appearance:White powder
  • Application:Used as medical and organic intermediates, an important amino protective agent. Pharmaceutical and synthetic organic makes intermediates, organic synthesis used to introduce t-Boc protect gene. Speci
  • PackAge:For small quantity: Bag ;Commercial quantity: fiber drum
  • ProductionCapacity:5000|Kilogram|Month
  • Storage:store in dry and cool place
  • Transportation:by air or by sea

Superiority:

high quality 5-Methyl-4-isoxazole carboxylic acid 99%min /42831-50-5  in stock

 

Product name

5-methyl-4-isoxazolecarboxylic acid
CAS NO.

42831-50-5
Synonyms

5-methyl-4-isoxazolecarboxylic acid;leflunomide intermediate
Category Pharmaceutical Raw Materials,Active Pharmaceutical Ingredients,Bulk Drugs,Fine Chemicals,Organic Intermediate, Pharmaceutical Intermediate.
Purity

99%
Appearance

powder
Shelf life 2 years
Usage

42831-50-5 is a leflunomide intermediate.
Storage 5-methyl-4-isoxazolecarboxylic acid should be stored in a well-closed container at low temperature, keep away from moisture, heat and light.

 

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drug, diabetes drug, anti-inflammatory drug, urinary system drug, cosmetics peptide
and intermediate, dyestuff & pigment and kinds of package materials. 
  We specialize in synthesis of novel organic compounds, process development
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Details:

Specifications 

1.pharmaceutical intermediate; 

2.For the preparation of Oxacillin sodium monohydrate and other chmicals

high quality 5-Methyl-4-isoxazole carboxylic acid 99%min /42831-50-5  in stock

 

5-Methylisoxazole-4-carboxylic Acid
CAS No.: 42831-50-5
Synonyms:
  • 5-Methyl-4-Isoxazolecarboxylic Acid;
  • 5-Methylisoxazole-4-carboxylic acid;
  • 5-methyl-1,2-oxazole-4-carboxylic acid;
Formula: C5H5NO3
Exact Mass: 127.02700
Molecular Weight: 127.09800
PSA: 63.33000
LogP: 0.68120
Description
An intermediate for synthesis of Leflunomide. Herbicidal activities towards Digitaria ciliaris.

 

Properties
Appearance & Physical State: white to off-white crystals
Density: 1.348 g/cm3
Melting Point: 145-147ºC
Boiling Point: 308.3ºC at 760 mmHg
Flash Point: 140.3ºC

 

Safety Info
Safety Statements: S22-S26-S36/37/39
HS Code: 2934999090
WGK Germany: 3
Risk Statements: R36/37/38
Hazard Codes: Xi

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