ChemicalBook >> CAS DataBase List >>3,5-Dimethylisoxazole-4-carboxylic acid

3,5-Dimethylisoxazole-4-carboxylic acid

CAS No.
2510-36-3
Chemical Name:
3,5-Dimethylisoxazole-4-carboxylic acid
Synonyms
AKOS PAO-1555;BUTTPARK 27\08-43;RARECHEM AL BO 0995;TIMTEC-BB SBB004158;3,5-dimethyl-4-isoxazolecarboxylate;diMethyl-1,2-oxazole-4-carboxylic acid;3,5-DIMETHYLISOXASOLE-4-CARBOXYLIC ACID;3,5-DIMETHYL-4-ISOXAZOLECARBOXYLIC ACID;3,5-Dimethylisoxazole-4-carboxylic acid;4-Isoxazolecarboxylic acid, 3,5-dimethyl-
CBNumber:
CB8710204
Molecular Formula:
C6H7NO3
Molecular Weight:
141.12
MDL Number:
MFCD00051657
MOL File:
2510-36-3.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-12 18:55:51

3,5-Dimethylisoxazole-4-carboxylic acid Properties

Melting point 141-145 °C(lit.)
Boiling point 258.14°C (rough estimate)
Density 1.3710 (rough estimate)
refractive index 1.4890 (estimate)
storage temp. Keep in dark place,Sealed in dry,Room Temperature
solubility soluble in Methanol
pka 2.53±0.32(Predicted)
form powder to crystal
color White to Almost white
BRN 115819
InChI 1S/C6H7NO3/c1-3-5(6(8)9)4(2)10-7-3/h1-2H3,(H,8,9)
InChIKey IJEUISLJVBUNRE-UHFFFAOYSA-N
SMILES Cc1noc(C)c1C(O)=O
CAS DataBase Reference 2510-36-3(CAS DataBase Reference)
FDA UNII HG288MUN8Q
NIST Chemistry Reference 3,5-Dimethylisoxazole-4-carboxylic acid(2510-36-3)
UNSPSC Code 12352100

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319
Precautionary statements  P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
PPE Eyeshields, Gloves, type N95 (US)
Hazard Codes  Xi,Xn
Risk Statements  20/21/22
Safety Statements  24/25-36-22
WGK Germany  3
HazardClass  IRRITANT
HS Code  29349990
Storage Class 13 - Non Combustible Solids
NFPA 704
0
0 0

3,5-Dimethylisoxazole-4-carboxylic acid price More Price(60)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 637653 3,5-Dimethylisoxazole-4-carboxylic acid 98% 2510-36-3 5g $104 2022-05-15 Buy
TCI Chemical D4603 3,5-Dimethylisoxazole-4-carboxylic Acid >98.0%(HPLC)(T) 2510-36-3 1g $58 2026-04-30 Buy
TCI Chemical D4603 3,5-Dimethylisoxazole-4-carboxylic Acid >98.0%(HPLC)(T) 2510-36-3 5g $203 2026-04-30 Buy
Apolloscientific OR1283 3,5-Dimethylisoxazole-4-carboxylic acid 95 2510-36-3 5g $59 2026-06-04 Buy
Apolloscientific OR1283 3,5-Dimethylisoxazole-4-carboxylic acid 95 2510-36-3 10g $73 2026-06-04 Buy
Product number Packaging Price Buy
637653 5g $104 Buy
D4603 1g $58 Buy
D4603 5g $203 Buy
OR1283 5g $59 Buy
OR1283 10g $73 Buy

3,5-Dimethylisoxazole-4-carboxylic acid Chemical Properties, Uses, Production

Chemical Properties

light beige powder

Synthesis

ETHYL 3,5-DIMETHYLISOXAZOLE-4-CARBOXYLATE

17147-42-1

3,5-DIMETHYLISOXAZOLE-4-CARBOXYLIC ACID

2510-36-3

General procedure for the synthesis of 3,5-dimethylisoxazole-4-carboxylic acid from ethyl 3,5-dimethylisoxazole-4-carboxylate: to a mixture of ethyl 3,5-dimethyl-4-isoxazolecarboxylate (2.4 g, 14 mmol) in a solution of tetrahydrofuran (THF, 8 mL) and methanol (MeOH, 8 mL), an aqueous solution of 5 N sodium hydroxide (NaOH) (8.5 mL ). The reaction mixture was stirred at room temperature for 8 hours. Upon completion of the reaction, the solvent was removed by distillation under reduced pressure, followed by acidification with 6 N aqueous hydrochloric acid (HCl) to pH = 2. The precipitated white solid product was filtered, washed with water, and dried to afford 3,5-dimethylisoxazole-4-carboxylic acid (2.1 g, 94.0% yield). The structure of the product was confirmed by 1H NMR (300 MHz, CDCl3): δ 2.72 (s, 3H), 2.49 (s, 3H).

References

[1] Bioorganic and Medicinal Chemistry Letters, 2018, vol. 28, # 17, p. 2879 - 2884
[2] Justus Liebigs Annalen der Chemie, 1893, vol. 277, p. 174
[3] Journal of the American Chemical Society, 1967, vol. 89, p. 5461 - 5462

17147-42-1
2510-36-3
Synthesis of 3,5-Dimethylisoxazole-4-carboxylic acid from Ethyl 3,5-dimethylisoxazole-4-carboxylate
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View Latest Price from 3,5-Dimethylisoxazole-4-carboxylic acid manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
3,5-DIMETHYLISOXAZOLE-4-CARBOXYLIC ACID pictures 2019-07-06 3,5-DIMETHYLISOXAZOLE-4-CARBOXYLIC ACID
2510-36-3
$1.00 1kg 98% 100KG Career Henan Chemical Co
3,5-DIMETHYLISOXAZOLE-4-CARBOXYLIC ACID pictures 2019-07-06 3,5-DIMETHYLISOXAZOLE-4-CARBOXYLIC ACID
2510-36-3
$8.00 1kg 99% 10tons Career Henan Chemical Co

3,5-Dimethylisoxazole-4-carboxylic acid Spectrum

AKOS PAO-1555 BUTTPARK 27\08-43 3,5-DIMETHYLISOXAZOLE-4-CARBOXYLIC ACID, PURISS, 98% 3,5-Dimethylisoxazole-4-carboxylic acid ,98% 3,5- two Methylisoxazole-4- carboxylic acid 3,5-Dimethylisoxazole-4-carboxylicacid,99% diMethyl-1,2-oxazole-4-carboxylic acid 3,5-DIMETHYL-4-ISOXAZOLECARBOXYLIC ACID 3,5-DIMETHYLISOXASOLE-4-CARBOXYLIC ACID 4-Isoxazolecarboxylic acid, 3,5-dimethyl- RARECHEM AL BO 0995 TIMTEC-BB SBB004158 3,5-dimethyl-4-isoxazolecarboxylate 3,5-Dimethylisoxazole-4-carboxylic acid 2510-36-3 C6H7NO3 C6H6NO3 Carboxylic acid Building Blocks Isoxazoles Heterocyclic Building Blocks Chemical Synthesis Heterocyclic Building Blocks Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts Oxazole&Isoxazole Building Blocks Carboxy Isoxazole Building Blocks Heterocyclic Building Blocks Isoxazoles