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Home > Products >  5-Methyl-4-isoxazole carboxylic acid

5-Methyl-4-isoxazole carboxylic acid CAS NO.42831-50-5

  • FOB Price: USD: 1.00-1.00 /Metric Ton Get Latest Price
  • Min.Order: 1 Kilogram
  • Payment Terms: L/C,T/T
  • Available Specifications:

    99%(1-5)Metric Ton99%(5-20)Metric Ton

  • Product Details

Keywords

  • 5-Methyl-4-isoxazole carboxylic acid
  • 5-Methyl Isoxazole-4-Carboxylic Acid
  • CAS:42831-50-5

Quick Details

  • ProName: 5-Methyl-4-isoxazole carboxylic acid
  • CasNo: 42831-50-5
  • Molecular Formula: C5H4NO3
  • Appearance: White powder
  • Application: Pharmaceutical Intermediate
  • DeliveryTime: Within 2 weeks after order confirmatio...
  • PackAge: 25kg/drum
  • Port: Qingdao Port
  • ProductionCapacity: 2000 Metric Ton/Year
  • Purity: 99%
  • Storage: Store in cool and dry place, away from...
  • Transportation: By sea or by air
  • LimitNum: 1 Kilogram
  • CAS: 42831-50-5

Superiority

Appearance

White powder

Product name

 5-Methyl-4-isoxazole carboxylic acid

CAS

 42831-50-5

MF

 C5H4NO3

Details

Item

Standard

Test Results

Identification

A.H-NMR:Comply with the structure

Complies

B.LC-MS:Comply with the structure

Complies

C.The IR spectrum of sample should be identical with that of reference standard;

Complies

D.HPLC-ESI-MS

Complies

The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.

Heavy metals

≤10 ppm

<10ppm

Water

≤1.0%

0.10%

Sulphated ash

≤0.5%, determined on 1.0 g.

0.01%

Related substances

Unspecified impurities: for each impurity

≤0.10%

<0.10%

Total Impurity

≤0.5%

0.18%

Purity

≥99.0%

99.70%

Assay

99.0%~101.0% (anhydrous substance).

99.80%

Storage

Preserve in well-closed, light-resistant and airtight containers.

Complies

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