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Leflunomide EP Impurity D

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Formula: C5H5NO3
CAS: 42831-50-5

Identification

Structural Formula
Leflunomide EP Impurity D
CAS:
42831-50-5
EINECS:
Molecular Formula:
C5H5NO3
MDL:
MFCD00955655
Synonym:
5-methyl-4-isoxazolecarboxylic acid ; leflunomide impurity d ; methylisoxazole-4-carboxylic ; 5-methyl-isoxazol-4-carboxylic acid ; 4-isoxazolecarboxylic acid,5-methyl ; leflunomide ep impurity d ; timtec-bb sbb005909 ; 5-methyl-4-isoxasolecarboxylic acid ; 5-methylisoxazole-4-carboxylic acid ; 5-methylisoxazole-4-carboxylic




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5-Methyl-4-isoxazolecarboxylic acid
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Leap Chem Co., Ltd
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Hangzhou J&H Chemical Co., Ltd.
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Zhejiang Hongxin Chemical
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Capot Chemical Co., Ltd.
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Hefei Hirisun Pharmatech Co., Ltd
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Changzhou Hi-Tech Chemistry Corp
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Dayang Chem (Hangzhou) Co.,Ltd.
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Autech Industry Co.,Limited
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Aecochem Corp.
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FUDI Chemical Co. Ltd.
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Xingrui Industry Co., Limited
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Gihi Chemicals Co., Limited
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H&Z Industry Co.,Ltd
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Hangzhou Cherry Pharmaceutical Technology Co., Ltd.
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Xiamen Equation Chemical Co.,Ltd
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Amadis Chemical Company Limited
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Molekula
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Santa Cruz Biotechnology, Inc.
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Angene International Limited
AGN-PC-0WABJQ
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Indofine Chemical Co, Inc.
08-1205
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DSL Chemicals (Shanghai) Co., Ltd.
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TCI Chemicals (India) Pvt. Ltd.
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AK Scientific, Inc.
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Hangzhou MolCore BioPharmatech Co.,Ltd.
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Hangzhou Trylead Chemical Technology Co., Ltd.
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Simagchem Corporation
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Santa Cruz Biotechnology, Inc.
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Carbone Scientific Co., Ltd.
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Medibro Corporation Limited
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Haihang Industry Co., Ltd.
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Wanko Chemical Co., Ltd.
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Pharmaffiliates Analytics & Synthetics Pvt. Limited
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Hangzhou Verychem Science & Technology Co., Ltd.
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Ambeed, Inc.
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Manchester Organics Limited
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Key Organics Limited
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Hangzhou Proserre Chemical Co., Ltd.
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BLD Pharmatech Ltd
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Alfa (A Johnson Matthey Company)
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Prices & Availability




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Properties for Leflunomide EP Impurity D

Molecular Weight:
127.1 g·mol−1
Melting point:
144-148 °C(lit.)
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Hazard Statements

GHS07

GHS03
Harmful
  • Acute toxicity (oral, dermal, inhalation), category 4
  • Skin irritation, categories 2, 3
  • Eye irritation, category 2A
  • Skin sensitization, category 1
  • Specific target organ toxicity following single exposure, category 3
    - Respiratory tract irritation
    - Narcotic effects
  • Not used
  • with the "skull and crossbones" pictogram
  • for skin or eye irritation if:
  • the "corrosion" pictogram also appears
  • the "health hazard" pictogram is used to indicate respiratory sensitization

Safety & Transport Information

Risk Codes:
R10 - Flammable
R36 - Irritating to eyes
R36/37/38 - Irritating to eyes, respiratory system and skin
R37/38 - Irritating to respiratory system and skin
Safety Codes:
S16 - Keep away from sources of ignition - No smoking
S22 - Do not breathe dust
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36 - Wear suitable protective clothing
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection
Hazard Classes:
irritant
Hazard Symbols:
Xi, F
Hazard symbol F Hazard symbol Xi
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Alternative Distributors of [Leflunomide EP Impurity D]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

Salsbury Chemicals, Inc., | Clearsynth Canada INC.

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