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ChemicalBook--->CAS DataBase List--->17153-20-7

17153-20-7

17153-20-7 Structure

17153-20-7 Structure
IdentificationMore
[Name]

3-Methyl-4-isoxazolecarboxylic acid
[CAS]

17153-20-7
[Synonyms]

3-METHYL-4-ISOXAZOLECARBOXYLIC ACID
3-METHYLISOXAZOLE-4-CARBOXYLIC ACID
AKOS PAO-1630
3-METHYLISOXAZOLE-4-CARBOXYLIC ACID, 98+%
[EINECS(EC#)]

681-430-1
[Molecular Formula]

C5H5NO3
[MDL Number]

MFCD01318161
[Molecular Weight]

127.1
[MOL File]

17153-20-7.mol
Chemical PropertiesBack Directory
[Appearance]

white to light yellow crystal powder
[Melting point ]

185-187°C
[Boiling point ]

303.6±22.0 °C(Predicted)
[density ]

1.348±0.06 g/cm3(Predicted)
[storage temp. ]

Keep in dark place,Sealed in dry,Room Temperature
[solubility ]

DMSO (Slightly)
[form ]

Solid
[pka]

2.90±0.25(Predicted)
[color ]

Brown
[BRN ]

114157
[CAS DataBase Reference]

17153-20-7(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

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 .
S22:Do not breathe dust .
[Hazard Note ]

Irritant
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Sodium hydroxide-->PETROLEUM ETHER-->Triethylamine-->Benzene-->Pyrrolidine-->Phenyl isocyanate-->Nitroethane-->Ethyl propiolate-->4-CHLOROMETHYL-3-METHYL-ISOXAZOLE-->ETHYL 3-METHYLISOXAZOLE-4-CARBOXYLATE-->(3-METHYL-ISOXAZOL-4-YL)-METHANOL
[Preparation Products]

tert-butyl 3-methylisoxazol-4-ylcarbamate
Hazard InformationBack Directory
[Chemical Properties]

white to light yellow crystal powder
[Uses]

An impurity in Leflunomide (L322750).
Well-known Reagent Company Product InformationBack Directory
[Alfa Aesar]

3-Methylisoxazole-4-carboxylic acid, 98+%(17153-20-7)
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