CAS 1866-39-3: 4-Methylcinnamic acid

Description:4-Methylcinnamic acid, with the CAS number 1866-39-3, is an organic compound characterized by its aromatic structure and carboxylic acid functional group. It features a methyl group attached to the fourth position of the cinnamic acid backbone, which consists of a phenyl ring connected to a propenoic acid moiety. This compound typically appears as a white to pale yellow crystalline solid and is known for its moderate solubility in organic solvents such as ethanol and ether, while being less soluble in water. 4-Methylcinnamic acid exhibits properties typical of aromatic carboxylic acids, including the ability to undergo various chemical reactions such as esterification and decarboxylation. It is often utilized in organic synthesis and can serve as a building block for the production of various pharmaceuticals and agrochemicals. Additionally, its derivatives may possess interesting biological activities, making it a subject of research in medicinal chemistry. Overall, 4-Methylcinnamic acid is a versatile compound with applications in both industrial and academic settings.

Formula:C₁₀H₁₀O₂

InChI:InChI=1S/C10H10O2/c1-8-2-4-9(5-3-8)6-7-10(11)12/h2-7H,1H3,(H,11,12)

InChI key:InChIKey=RURHILYUWQEGOS-UHFFFAOYSA-N

SMILES:O=C(O)C=CC1=CC=C(C=C1)C

Synonyms:
(2E)-3-(4-methylphenyl)prop-2-enoate
(2E)-3-(4-methylphenyl)prop-2-enoic acid
2-Propenoic acid, 3-(4-methylphenyl)-
3-(4-Methylphenyl)-2-propenoic acid
3-(4-Methylphenyl)acrylic acid
3-(4-Methylphenyl)propenoic acid
3-(4-Tolyl)acrylic acid
3-(p-Tolyl)acrylic acid
4-Methylcinnamic acid,predominantly trans
Cinnamic acid, p-methyl-
See more synonyms
NSC 66272
p-Methylcinnamic acid
4-Methylcinnamic acid

Found 9 products.

Product data	Purity	Price range	Estimated delivery
4-Methylcinnamic Acid REF: 3B-M0715CAS: 1866-39-3	>98.0%(GC)(T)	39.00 €	Tue 01 Apr 25
4-Methylcinnamic acid, predominantly trans, 99% REF: 02-A13337CAS: 1866-39-3	99%	To inquire	Wed 02 Apr 25
4-Methylcinnamic acid REF: TM-PDK0101CAS: 1866-39-3	99.42%	34.00 €~35.00 €	Tue 08 Apr 25
3-(p-Tolyl)acrylic acid REF: IN-DA003LRQCAS: 1866-39-3	98%	To inquire	Tue 08 Apr 25
4-Methylcinnamic acid REF: 7W-GK4827CAS: 1866-39-3	- - -	To inquire	Wed 09 Apr 25
4-Methylcinnamic acid REF: 54-OR18348CAS: 1866-39-3	- - -	32.00 €~287.00 €	Tue 15 Apr 25
4-Methylcinnamic acid REF: 10-F046849CAS: 1866-39-3	95.0%	To inquire	Mon 21 Apr 25
4-Methylcinnamic acid REF: 3D-FM71380CAS: 1866-39-3	Min. 95%	145.00 €~1,326.00 €	Mon 21 Apr 25
4-Methylcinnamic Acid REF: TR-M304968CAS: 1866-39-3	- - -	91.00 €~136.00 €	Mon 19 May 25