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ChemicalBook >> CAS DataBase List >> 3-Methyl-4-isoxazolecarboxylic acid

3-Methyl-4-isoxazolecarboxylic acid

$7 - $1686.3
Product name: 3-Methyl-4-isoxazolecarboxylic acid
CAS: 17153-20-7
MF: C5H5NO3
MW: 127.1
EINECS:681-430-1
MDL Number:MFCD01318161
Synonyms:3-METHYLISOXAZOLE-4-CARBOXYLIC ACID, 98+%;AKOS PAO-1630;3-METHYLISOXAZOLE-4-CARBOXYLIC ACID;3-METHYL-4-ISOXAZOLECARBOXYLIC ACID;3-Methyl-1,2-oxazole-4-carboxylic acid;3-Methyl-1,2-oxazole-4-carboxylic acid, 4-Carboxy-3-methylisoxazole;3-Methyl-4-Isoxazolecarboxylic Acid(WX614141);4-Isoxazolecarboxylic acid, 3-methyl-

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aablocks
Abosyn
ACHEMBLOCK
Activate Scientific
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Ambeed
American Custom Chemicals Corporation
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5gm:

Manufactureraablocks
Product numberAA0033OL
Product description3-Methylisoxazole-4-carboxylic Acid 98%
Packaging100mg
Price$8
Updated2026-05-28
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Manufactureraablocks
Product numberAA0033OL
Product description3-Methylisoxazole-4-carboxylic Acid ≥98%
Packaging250mg
Price$10
Updated2026-05-28
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Manufactureraablocks
Product numberAA0033OL
Product description3-Methylisoxazole-4-carboxylic Acid 98%
Packaging1g
Price$16
Updated2026-05-28
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Manufactureraablocks
Product numberAA0033OL
Product description3-Methylisoxazole-4-carboxylic Acid 98%
Packaging5g
Price$79
Updated2026-05-28
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Manufactureraablocks
Product numberAA0033OL
Product description3-Methylisoxazole-4-carboxylic Acid 98%
Packaging10g
Price$146
Updated2026-05-28
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Manufactureraablocks
Product numberAA0033OL
Product description3-Methylisoxazole-4-carboxylic Acid 98%
Packaging25g
Price$355
Updated2026-05-28
Buy

ManufacturerAbosyn
Product number61-2964
Product description3-Methylisoxazole-4-carboxylicacid 95%-98%
Packaging1g
Price$765
Updated2021-12-16
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ManufacturerACHEMBLOCK
Product numberU138851
Product description3-Methylisoxazole-4-carboxylic acid 98%
Packaging25G
Price$605
Updated2026-05-27
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ManufacturerACHEMBLOCK
Product numberU138851
Product description3-Methylisoxazole-4-carboxylic acid 98%
Packaging5G
Price$125
Updated2026-05-27
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ManufacturerActivate Scientific
Product numberAS33721
Product description3-Methylisoxazole-4-carboxylic acid 98%
Packaging5g
Price$168
Updated2026-06-04
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ManufacturerActivate Scientific
Product numberAS33721
Product description3-Methylisoxazole-4-carboxylic acid 98%
Packaging1g
Price$41
Updated2026-06-04
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ManufacturerActivate Scientific
Product numberAS33721
Product description3-Methylisoxazole-4-carboxylic acid 98%
Packaging25g
Price$755
Updated2026-06-04
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ManufacturerAK Scientific
Product numberJ53090
Product description3-Methyl-4-isoxazolecarboxylicacid
Packaging25g
Price$550
Updated2021-12-16
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ManufacturerAmbeed
Product numberA157518
Product description3-Methylisoxazole-4-carboxylicacid 98%
Packaging25g
Price$545
Updated2021-12-16
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ManufacturerAmbeed
Product numberA157518
Product description3-Methylisoxazole-4-carboxylicacid 98%
Packaging10g
Price$231
Updated2021-12-16
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ManufacturerAmbeed
Product numberA157518
Product description3-Methylisoxazole-4-carboxylicacid 98%
Packaging100mg
Price$7
Updated2021-12-16
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA0033OL	3-Methylisoxazole-4-carboxylic Acid 98%	100mg	$8	2026-05-28	Buy
aablocks	AA0033OL	3-Methylisoxazole-4-carboxylic Acid ≥98%	250mg	$10	2026-05-28	Buy
aablocks	AA0033OL	3-Methylisoxazole-4-carboxylic Acid 98%	1g	$16	2026-05-28	Buy
aablocks	AA0033OL	3-Methylisoxazole-4-carboxylic Acid 98%	5g	$79	2026-05-28	Buy
aablocks	AA0033OL	3-Methylisoxazole-4-carboxylic Acid 98%	10g	$146	2026-05-28	Buy
aablocks	AA0033OL	3-Methylisoxazole-4-carboxylic Acid 98%	25g	$355	2026-05-28	Buy
Abosyn	61-2964	3-Methylisoxazole-4-carboxylicacid 95%-98%	1g	$765	2021-12-16	Buy
ACHEMBLOCK	U138851	3-Methylisoxazole-4-carboxylic acid 98%	25G	$605	2026-05-27	Buy
ACHEMBLOCK	U138851	3-Methylisoxazole-4-carboxylic acid 98%	5G	$125	2026-05-27	Buy
Activate Scientific	AS33721	3-Methylisoxazole-4-carboxylic acid 98%	5g	$168	2026-06-04	Buy
Activate Scientific	AS33721	3-Methylisoxazole-4-carboxylic acid 98%	1g	$41	2026-06-04	Buy
Activate Scientific	AS33721	3-Methylisoxazole-4-carboxylic acid 98%	25g	$755	2026-06-04	Buy
AK Scientific	J53090	3-Methyl-4-isoxazolecarboxylicacid	25g	$550	2021-12-16	Buy
Ambeed	A157518	3-Methylisoxazole-4-carboxylicacid 98%	25g	$545	2021-12-16	Buy
Ambeed	A157518	3-Methylisoxazole-4-carboxylicacid 98%	10g	$231	2021-12-16	Buy
Ambeed	A157518	3-Methylisoxazole-4-carboxylicacid 98%	100mg	$7	2021-12-16	Buy

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Properties

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)
pka :2.90±0.25(Predicted)
form :Solid
color :Brown
BRN :114157
InChI :InChI=1S/C5H5NO3/c1-3-4(5(7)8)2-9-6-3/h2H,1H3,(H,7,8)
InChIKey :YBLSBWHFPXDRHC-UHFFFAOYSA-N
SMILES :O1C=C(C(O)=O)C(C)=N1
CAS DataBase Reference :17153-20-7(CAS DataBase Reference)

Safety Information

Symbol(GHS):

Signal word:

Warning

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	P-Codes
H315	Causes skin irritation	Skin corrosion/irritation	Category 2	Warning	P264, P280, P302+P352, P321,P332+P313, P362
H319	Causes serious eye irritation	Serious eye damage/eye irritation	Category 2A	Warning	P264, P280, P305+P351+P338,P337+P313P
H335	May cause respiratory irritation	Specific target organ toxicity, single exposure;Respiratory tract irritation	Category 3	Warning

Precautionary statements:

P261	Avoid breathing dust/fume/gas/mist/vapours/spray.
P304+P340	IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338	IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405	Store locked up.

Description

An impurity in Leflunomide (L322750).

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career henan chemical co

$1.00
3-Methyl-4-isoxazolecarboxylic acid CAS:17153-20-7

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3-Methyl-4-isoxazolecarboxylic acid

Properties

Safety Information

Description

Related product price

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