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4-Amino-L-phenyl-N-phthalylalanine ethyl ester

4-Amino-L-phenyl-N-phthalylalanine ethyl ester structure

CAS No.: 74743-23-0

Chemical Name:: 4-Amino-L-phenyl-N-phthalylalanine ethyl ester

Synonyms: Melphalan Impurity 13;4-Amino-L-phenyl-N-phthalylalanine ethyl ester;4-amino-N,N-phthaloyl-L-phenylalanin-ethyl ester;Ethyl Ester of N-Phthaloyl P-Amino-Lphenylalanine;ethyl (S)-α-[(4-aminophenyl)methyl]-1,3-dihydro-1;4-amino-N,N-phthaloyl-L-phenylalanin-ethyl ester Melphalan);L-3-(4-aminophenyl)-2-phthaliminopropionic acid Ethyl ester;Ethyl 3-(4-aminophenyl)-2-(1,3-dioxoisoindol-2-yl)propanoate;ethyl 3-(4-azanylphenyl)-2-(1,3-dioxoisoindol-2-yl)propanoate;ethyl (S)-α-[(4-aminophenyl)methyl]-1,3-dihydro-1,3-dioxo-2...

CBNumber:: CB8892968

Molecular Formula:: C19H18N2O4

Molecular Weight:: 338.36

MDL Number:: MFCD11977661

MOL File:: 74743-23-0.mol

Last updated:2025-07-04 15:17:23

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4-Amino-L-phenyl-N-phthalylalanine ethyl ester Properties

Melting point	102-103 °C(Solv: water (7732-18-5); methanol (67-56-1))
Boiling point	534.8±45.0 °C(Predicted)
Density	1.331±0.06 g/cm3(Predicted)
storage temp.	2-8°C(protect from light)
pka	4.42±0.10(Predicted)
InChI	InChI=1/C19H18N2O4/c1-2-25-19(24)16(11-12-7-9-13(20)10-8-12)21-17(22)14-5-3-4-6-15(14)18(21)23/h3-10,16H,2,11,20H2,1H3/t16-/s3
InChIKey	RYROTMZMTMCWEP-QEIABERDNA-N
SMILES	N1([C@@H](CC2=CC=C(N)C=C2)C(OCC)=O)C(=O)C2=C(C=CC=C2)C1=O \|&1:1,r\|

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Risk and Safety Statements

HS Code	2933599590

4-Amino-L-phenyl-N-phthalylalanine ethyl ester price More Price(20)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Apolloscientific	OR311120	Ethyl 3-(4-aminophenyl)-2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)propanoate 95%	74743-23-0	100mg	$268	2026-06-04	Buy
Apolloscientific	OR311120	Ethyl 3-(4-aminophenyl)-2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)propanoate 95%	74743-23-0	250mg	$453	2026-06-04	Buy
Apolloscientific	OR311120	Ethyl 3-(4-aminophenyl)-2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)propanoate 95%	74743-23-0	1g	$1215	2026-06-04	Buy
AK Scientific	1623AC	(S)-Ethyl 3-(4-aminophenyl)-2-(1,3-dioxoisoindolin-2-yl)propanoate 98%(GC)	74743-23-0	25mg	$68	2026-06-04	Buy
AK Scientific	1623AC	(S)-Ethyl 3-(4-aminophenyl)-2-(1,3-dioxoisoindolin-2-yl)propanoate 98%(GC)	74743-23-0	100mg	$198	2026-06-04	Buy

Product number	Packaging	Price	Buy
OR311120	100mg	$268	Buy
OR311120	250mg	$453	Buy
OR311120	1g	$1215	Buy
1623AC	25mg	$68	Buy
1623AC	100mg	$198	Buy

4-Amino-L-phenyl-N-phthalylalanine ethyl ester Preparation Products And Raw materials

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Global Suppliers ( 82)

Supplier	Tel	Email	Country	ProdList	Advantage
Xi'an Yutebang New Material Technology Co., Ltd.	029-84536388 19991842844	ella@yutbon.com	China	155	58
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64
Shanghai Sunway Pharmaceutical Technology Co., Ltd	13761987713	hxzheng@sunwaypharm.cn	China	8663	57
BOC Sciences	1-631-485-4226; 16314854226	info@bocsci.com	United States	9920	65
HBCChem, Inc.	+1-510-219-6317	sales@hbcchem.com	United States	10628	60
Chengdu Aofan Pharmtech Co.,Ltd	15281070185; 13038283958	2865097598@qq.com	China	111	55
Wuxi Zhongkun Biochemical Technology Co., Ltd.	0510-85629785 18013409632;	sales@reading-chemicals.com	China	15165	58
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.	025-66028182 17714375163	yftan@aikonchem.com	China	16674	50
Credit Asia Chemical Co., Ltd.	+86 (21) 61124340		China	9739	58
Shanghai YuanYe Biotechnology Co., Ltd.	15026964105	2881489226@qq.com	China	89667	60

Supplier	Advantage
Xi'an Yutebang New Material Technology Co., Ltd.	58
Shanghai Hanhong Scientific Co.,Ltd.	64
Shanghai Sunway Pharmaceutical Technology Co., Ltd	57
BOC Sciences	65
HBCChem, Inc.	60
Chengdu Aofan Pharmtech Co.,Ltd	55
Wuxi Zhongkun Biochemical Technology Co., Ltd.	58
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.	50
Credit Asia Chemical Co., Ltd.	58
Shanghai YuanYe Biotechnology Co., Ltd.	60

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4-Amino-L-phenyl-N-phthalylalanine ethyl ester Ethyl 3-(4-aminophenyl)-2-(1,3-dioxoisoindol-2-yl)propanoate ethyl (S)-alpha-[(4-aminophenyl)methyl]-1,3-dihydro-1,3-dioxo-2H-isoindole-2-acetate (L)-ethyl 3-(4-aminophenyl)-2-(1,3-dioxoisoindolin-2-yl)propanoate (S)-α-[(4-Aminophenyl)methyl]-1,3-dihydro-1,3-dioxo-2H-isoindole-2-acetic acid ethyl ester 3-(4-aminophenyl)-2-(1,3-diketoisoindolin-2-yl)propionic acid ethyl ester ethyl 3-(4-azanylphenyl)-2-(1,3-dioxoisoindol-2-yl)propanoate ethyl(S)-α-[(4-aMinophenyl)Methyl]-1,3-dihydro-1,3-dioxo-2H-isoindole-2-acetate (S)-Ethyl 3-(4-aMinophenyl)-2-(1,3-dioxoisoindolin-2-yl)propanoate Ethyl 3-(4-aminophenyl)-2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)propanoate Melphalan Impurity 13 2H-Isoindole-2-acetic acid, α-[(4-aminophenyl)methyl]-1,3-dihydro-1,3-dioxo-, ethyl ester, (αS)- 4-amino-N,N-phthaloyl-L-phenylalanin-ethyl ester Melphalan) ethyl (S)-α-[(4-aminophenyl)methyl]-1,3-dihydro-1,3-dioxo-2H-isoindole-2-acetate ethyl (S)-α-[(4-aminophenyl)methyl]-1,3-dihydro-1,3-dioxo-2... Ethyl (S)-3-(4-aminophenyl)-2-(1,3-dioxoisoindolin-2-yl)propanoate 4-amino-N,N-phthaloyl-L-phenylalanin-ethyl ester Ethyl Ester of N-Phthaloyl P-Amino-Lphenylalanine ethyl (S)-α-[(4-aminophenyl)methyl]-1,3-dihydro-1 L-3-(4-aminophenyl)-2-phthaliminopropionic acid Ethyl ester 74743-23-0