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Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate

Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate structure

CAS No.: 32981-85-4

Chemical Name:: Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate

Synonyms: LKT-T 0104;Bz-RS-iSer(3-Ph)-OMe;PACLITAXE SIDE CHIAN 4;Paclitaxe Side Chain 4;PaclitaxelSide Chian 4;Paclitaxel Impurity 11;Paclitaxel Impurity 18;Paclitaxel Impurity 69;PACLITAXEL SIDE CHAIN 4;Paclitaxel side chain S5

CBNumber:: CB8177005

Molecular Formula:: C17H17NO4

Molecular Weight:: 299.32

MDL Number:: MFCD00673331

MOL File:: 32981-85-4.mol

MSDS File:: SDS

Last updated:2026-07-27 17:00:41

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Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate Properties

Melting point	178-183℃
Boiling point	540.3±50.0 °C(Predicted)
Density	1.236±0.06 g/cm3(Predicted)
storage temp.	Sealed in dry,Room Temperature
solubility	DMSO (Slightly), Ethyl Acetate (Slightly, Heated), Methanol (Slightly)
pka	12.05±0.20(Predicted)
form	Crystalline Powder
color	White
InChI	InChI=1/C17H17NO4/c1-22-17(21)15(19)14(12-8-4-2-5-9-12)18-16(20)13-10-6-3-7-11-13/h2-11,14-15,19H,1H3,(H,18,20)/t14-,15-/s3
InChIKey	UYJLJICUXJPKTB-YQUYYLCKNA-N
SMILES	N(C(C1C=CC=CC=1)=O)[C@@H](C1C=CC=CC=1)[C@H](O)C(OC)=O \|&1:9,16,r\|
CAS DataBase Reference	32981-85-4(CAS DataBase Reference)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P280a-P304+P340-P305+P351+P338-P405-P501a

HS Code

2922500090

NFPA 704

	1
2		0

Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate price More Price(61)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Cayman Chemical	40291	Bz-RS-ISer(3-Ph)-OMe ≥98%	32981-85-4	1g	$182	2026-04-30	Buy
Cayman Chemical	40291	Bz-RS-ISer(3-Ph)-OMe ≥98%	32981-85-4	5g	$636	2026-04-30	Buy
Cayman Chemical	40291	Bz-RS-ISer(3-Ph)-OMe ≥98%	32981-85-4	10g	$1089	2026-04-30	Buy
Biosynth	FM32203	Methyl (2R,3S)-N-benzoyl-3-phenylisoserine	32981-85-4	0.1g	$150	2026-06-04	Buy
ChemScene	CS-W009961	Bz-RS-iSer(3-Ph)-OMe 99.95%	32981-85-4	100mg	$32	2026-06-04	Buy

Product number	Packaging	Price	Buy
40291	1g	$182	Buy
40291	5g	$636	Buy
40291	10g	$1089	Buy
FM32203	0.1g	$150	Buy
CS-W009961	100mg	$32	Buy

Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate Chemical Properties, Uses, Production

Chemical Properties

white crystal powder

Uses

(2R,3S)-N-Benzoyl-3-phenyl Isoserine Methyl Ester is an intermediate in the preparation of potent anticancer drug Paclitaxel (P132500) used to study the location of the binding sites.

Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate Preparation Products And Raw materials

Raw materials

Preparation Products

Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate Suppliers

Global Suppliers ( 202)

Supplier	Tel	Email	Country	ProdList	Advantage
Ningbo Enzyme Chemical Co., LTD	0574-+86-574-8773-0716-654-654 18042089573	yufang.jiang@enzymaster.com	China	42	58
Hangzhou Read Chemical Co., Ltd	13599397867 15306818081	sales@freemindpharm.com	China	126	58
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30103	84
TAIYUAN RHF CO.,LTD.	+86 351 7031519	sales@RHFChem.com	China	2334	56
Capot Chemical Co., Ltd	+86 (0) 571 85 58 67 18		China	18187	66
Adamas Reagent, Ltd.	400-6009262 15618770481	yhx@titansci.com	China	14098	59
Nanjing Chemlin Chemical Co., Ltd	025-83697070 13770331960	info@chemlin.com.cn	China	16305	64
Chemsky（shanghai）International Co.,Ltd.	021-50135380	shchemsky@sina.com	China	32273	50
XiaoGan ShenYuan ChemPharm co,ltd	15527621225; 15527621225	1791901229@qq.com	China	6741	52
Shanghai Bioman Pharma Limited	21-33738120 15000110506	info@bioman.com.cn	China	60	62

Supplier	Advantage
Ningbo Enzyme Chemical Co., LTD	58
Hangzhou Read Chemical Co., Ltd	58
Alfa Aesar	84
TAIYUAN RHF CO.,LTD.	56
Capot Chemical Co., Ltd	66
Adamas Reagent, Ltd.	59
Nanjing Chemlin Chemical Co., Ltd	64
Chemsky（shanghai）International Co.,Ltd.	50
XiaoGan ShenYuan ChemPharm co,ltd	52
Shanghai Bioman Pharma Limited	62

View Latest Price from Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-08-08	Bz-RS-ISer(3-Ph)-Ome 32981-85-4	$29.00		99.89%	10g	TargetMol Chemicals Inc.
2024-08-14	Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate 32981-85-4	$1.00	1KG	99%	20T	Shaanxi Dideu Medichem Co. Ltd
2020-11-17	Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate 32981-85-4	$78.00	1KG	99	1000KG	Longyan Tianhua Biological Technology Co., Ltd

Bz-RS-ISer(3-Ph)-Ome
32981-85-4
$29.00
99.89%
TargetMol Chemicals Inc.

Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate
32981-85-4
$1.00
99%
Shaanxi Dideu Medichem Co. Ltd

Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate
32981-85-4
$78.00
99
Longyan Tianhua Biological Technology Co., Ltd

Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate Spectrum

Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate(32981-85-4)¹HNMR

32981-85-4 (Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate) Related Search:

Methyl acrylate Methylparaben Acetaminophen EC 2.6.1.2 Sulfamic acid

Aminopyrine Methyl acetate Bensulfuron methyl Glucosamine Paclitaxel

Methyl propionate Kresoxim-methyl (2R,3S)-N-Benzoyl-3-phenyl Isoserine Thiophanate-methyl Chlorophosphonazo III

Methyl 4-[(1E,3S,5Z,8R/S,10S)-3,11-Bis-{[tert-butyl(dimethyl)silyl]oxy}-2,6,10-trimethyl-8-(phenylsulfonyl)undeca-1,5-dienyl]-2-methyl-1,3-thiazole Boc-3-endo-aminobicyclo[2.2.1]heptane-2-endo-carboxylic acid

1of4

PACLITAXEL SIDE CHAIN 4 PACLITAXEL SIDE CHAIN NO 4 C-13 SIDE CHAIN FOR PACLITAXEL II PACLITAXE SIDE CHIAN 4 (2R,3S)-N-benzoyl-3-PhenylisoserineMethylEster (2R,3S)-3-phenylisoserine methyleste METHYL (2R,3S)-3-(BENZOYLAMINO)-2-HYDROXY-3-PHENYLPROPANOATE (2R,3S)-1-Benzoyl-2-Hydroxy-3-Aminophenylpionic Acid Ester METHYL (2R,3S)-3-BENZAMIDO-2-HYDRO-3-PHENYLPROPIONATE METHYL (2R,3S)-3-BENZAMIDO-2-HYDROXY-3-PHENYLPROPIONATE N-BENZOYL-(2R,3S)-3-PHENYLISOSERINE METHYL ESTER (2R,3S)-N-Benzoyl-3-phenylisoserine methyl ester, (2R,3S)-2-Hydroxy-3-N-benzoylamino-3-phenylmethyl propionate, ee >99% Bz-RS-iSer(3-Ph)-OMe (2S,3S)-methyl 3-benzamido-2-hydroxy-3-phenylpropanoate (2S,3S)-N-Benzoyl-3-phenylisoserine Methyl Ester METHYL (2R) HYDROXY-(3S)-N-BENZOYLAMINO-3-PHENYL P Methyl (2R,3S)-N-benzoylphenylisoserinate 32981 (2R,3S)-Methyl 3-benzaMido-2-hydroxy-3-phenylpropanoate (2R,3S)-N-tert-butoxycarbonyl 3-Phenylisoserine Methyl Este Paclitaxe Side Chain 4 BENZYLOXYPHENYLISOSERINE METHYLESTER,N- (TAXOL SIDE CHAIN METHYLESTER)(SH) BENZYLOXYPHENYLISOSERINE METHYLESTER,N-(P) BENZYLOXYPHENYLISOSERINE METHYLESTER,N- (TAXOL SIDE CHAIN METHYLESTER)(P) PaclitaxelSide Chian 4 Methyl(2R,3S)-3-(benzoylaMino)-2-hydroxy-3-phenylpropanoale Benzenepropanoicacid, b-(benzoylaMino)-a-hydroxy-, Methyl ester, (aR,bS)- Methyl(2R,3S)-N-Benzoyl-3-Phenylisoserine (R)-methyl 2-hydroxy-3-(N-phenylbenzamido)propanoate Methyl (2R,3S)-N-benzoylphenylisoserinate LKT-T 0104 methyl(2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoate Paclitaxel Impurity 11 (2R,3S)-2-hydroxy-3-phenyl-3-(phenylformamido)propanoic acid Paclitaxel Impurity 18 3-benzamido-3-(1-cyclohexa-2,4-dienyl)propanoic acid methyl ester Paclitaxel impurity 7/(2R,3S)-N-Benzoyl-3-phenyl Isoserine Methyl Ester Benzenepropanoic acid, β-(benzoylamino)-α-hydroxy-, methyl ester, (αR,βS)- Paclitaxel Impurity 69 Methyl(2R,3S)-3-benzamido-2-hydroxy-3-phenylpropionate,98% Methyl (2S,3S)-N-benzoyl-3-phenylisoserine (2R, 3S) -3-benzoylamino-2-hydroxy-3-phenylpropionate methyl ester 2R,3S)-N-BENZOYLl-3-PHENYLISOSERINE METHYL ESTER (2R，3S)-N-BENZOYLl-3-PHENYLISOSERINE METHYL ESTER (P) N-Benzyloxyphenylisoserine Methylester Bz-RS-ISer(3-Ph)-Ome, 10 mM in DMSO Methyl (2S,3S)-3-benzamido-2-hydroxy-3-phenyl-propanoate Paclitaxel side chain S5 Methyl (2R,3S)-2-hydroxy-3-phenyl-3-(phenylformamido)propanoate 32981-85-4 CHIRAL CHEMICALS Intermediates 32981-85-4