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4-Methylphenyl-L-alanine

4-Methylphenyl-L-alanine structure

CAS No.: 1991-87-3

Chemical Name:: 4-Methylphenyl-L-alanine

Synonyms: (S)-2-AMino-3-(p-tolyl)propanoic acid;L-4-METHYLPHENYLALANINE;L-4-METHYLPHE;H-P-ME-PHE-OH;L-4-Me-Phe-OH;H-PHE(4-ME)-OH;L-Phe(4-Me)-OH;H-L-Phe(4-Me)-OH;4-METHYL-L-PHE-OH;L-4-Methyl-phe-OH

CBNumber:: CB2375845

Molecular Formula:: C10H13NO2

Molecular Weight:: 179.22

MDL Number:: MFCD00038575

MOL File:: 1991-87-3.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-07-03 18:06:58

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4-Methylphenyl-L-alanine Properties

Melting point	271 °C(dec.)
Boiling point	323.5±30.0 °C(Predicted)
Density	1.165±0.06 g/cm3(Predicted)
storage temp.	Store at RT.
solubility	Sparingly soluble (0.014 g/L) (25°C).
form	powder to crystal
pka	2.23±0.10(Predicted)
color	White to Almost white
CAS DataBase Reference	1991-87-3(CAS DataBase Reference)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P280-P302+P352-P362+P364

Hazard Codes

Risk Statements

36/37/38

Safety Statements

26-28

HS Code

29224999

NFPA 704

	1
0		0

4-Methylphenyl-L-alanine price More Price(61)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	M2743	4-Methyl-L-phenylalanine >98.0%(HPLC)(T)	1991-87-3	1g	$72	2026-04-30	Buy
TCI Chemical	M2743	4-Methyl-L-phenylalanine >98.0%(HPLC)(T)	1991-87-3	5g	$252	2026-04-30	Buy
Usbiological	283854	4-Methyl-L-phenylalanine Asreported	1991-87-3	2g	$343	2026-06-03	Buy
Usbiological	283854	4-Methyl-L-phenylalanine Asreported	1991-87-3	5g	$575	2026-06-03	Buy
Usbiological	283854	4-Methyl-L-phenylalanine Asreported	1991-87-3	10g	$801	2026-06-03	Buy

Product number	Packaging	Price	Buy
M2743	1g	$72	Buy
M2743	5g	$252	Buy
283854	2g	$343	Buy
283854	5g	$575	Buy
283854	10g	$801	Buy

4-Methylphenyl-L-alanine Chemical Properties, Uses, Production

Chemical Properties

White to off-white powder

Uses

Used in absorption liquids on a technical scale for removing acid components such as carbon dioxide and hydrogen sulfide from gases. 4-Methyl-L-phenylalanine are used in buffers to maintain the pH of aqueous liquids at a constant level.

4-Methylphenyl-L-alanine Preparation Products And Raw materials

Raw materials

Preparation Products

4-Methylphenyl-L-alanine Suppliers

Global Suppliers ( 225)

Supplier	Tel	Email	Country	ProdList	Advantage
Suzhou haiyu Biochem Industrial Co., LTD	512-68097639 18013585858	744942877@qq.com	China	915	62
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
Shanghai HC Biotech Co., Ltd	021-20227858	sale@hcbiotech.com.cn	China	1173	55
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30103	84
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
GL Biochem (Shanghai) Ltd	21-61263452 13641803416	ymbetter@glbiochem.com	China	9981	64
Pure Chemistry Scientific Inc.	001-857-928-2050 or 1-888-588-9418	sales@chemreagents.com	United States	10174	62
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64

Supplier	Advantage
Suzhou haiyu Biochem Industrial Co., LTD	62
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
Shanghai HC Biotech Co., Ltd	55
Alfa Aesar	84
TCI (Shanghai) Development Co., Ltd.	81
Energy Chemical	61
GL Biochem (Shanghai) Ltd	64
Pure Chemistry Scientific Inc.	62
Shanghai Hanhong Scientific Co.,Ltd.	64

View Latest Price from 4-Methylphenyl-L-alanine manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2026-07-03	4-Methylphenyl-L-alanine 1991-87-3		1kg	98%	1000kg	Shaanxi Dideu New Materials Co. Ltd
	2019-07-06	4-Methylphenyl-L-alanine 1991-87-3	$1.00	1kg	95%-99%		Career Henan Chemical Co

4-Methylphenyl-L-alanine
1991-87-3
98%
Shaanxi Dideu New Materials Co. Ltd

4-Methylphenyl-L-alanine
1991-87-3
$1.00
95%-99%
Career Henan Chemical Co

1991-87-3 (4-Methylphenyl-L-alanine) Related Search:

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Phe-Gly-Gly H-Phe-Ala-OH H-4-Nitro-Phe-OEt HCl

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(S)-2-AMINO-3-(4-METHYLPHENYL)PROPANOIC ACID (S)-2-AMINO-3-P-TOLYL-PROPIONIC ACID RARECHEM BK PT 0067 4-Methy-L-Phenylalanine p-Methyl-L-phenylalanine L-4-METHYLPHE H-PHE(4-ME)-OH H-P-ME-PHENYLALANINE H-P-ME-PHE-OH 4-METHYL-L-PHENYLALANINE 4-METHYL-L-PHE-OH L-4-Me-Phe-OH 3-(p-Tolyl)-L-alanine (2S)-2-Amino-3-(4-methylphenyl)propanoic acid 4-Methylphenyl-L-alanine 4-METHYL-L-PHENYLALANINE 99+% H-L-Phe(4-Me)-OH L-4-Methyl-phe-OH H-Phe(4-Me)-OH·HCl (2S)-2-amino-3-(4-methylphenyl)propionic acid (2S)-2-azanyl-3-(4-methylphenyl)propanoic acid 4-Methylphenyl-L-ala L-Phenylalanine,4-Methyl- L-4-Me-Phe-OH 4-Methy-L-Phenylalanine 4-Methyl-L-phenylalanine 98% 4-Methyl-L-phenylalanine H-p-Me-Phe-OH H-p-Nitro-Phe-OH (4-Nitro-L-Phenylalanine) 4-Methyl-L-phenylalanine≥ 98% (HPLC) L-Phe(4-Me)-OH 4-Methyl-L-phenylalanine> 4-Methylphenyl-L-alanine USP/EP/BP (S)-2-Amino-3-(p-tolyl)propanoic acid - [A91785] (S)-2-AMino-3-(p-tolyl)propanoic acid L-4-METHYLPHENYLALANINE 1991-87-3 Phenylalanine analogs and other aromatic alpha amino acids Phenylalanine [Phe, F] Unusual Amino Acids Amino acids methyl、ethyl、t-butyl series a-amino Amino Acids