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L-Cysteine ethyl ester hydrochloride

L-Cysteine ethyl ester hydrochloride structure

CAS No.: 868-59-7

Chemical Name:: L-Cysteine ethyl ester hydrochloride

Synonyms: Cystanin;E-Cysten;H-CYS-OET;L-Trp-OEt;NSC 117387;NSC 519837;Cys-Oet·HCl;L-Cys-Oet·HCl;H-CYS-OET HCL;-Cysteine EthyL

CBNumber:: CB5766967

Molecular Formula:: C5H12ClNO2S

Molecular Weight:: 185.67

MDL Number:: MFCD00012631

MOL File:: 868-59-7.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-04-24 14:58:28

Product description	Number	Pack Size	Price
L-Cysteine ethyl ester hydrochloride 98%	C121908	25g	$76.7
L-Cysteine ethyl ester hydrochloride 98%	C121908	100g	$275
L-Cysteine Ethyl Ester Hydrochloride >98.0%(T)	C0996	25g	$32
L-Cysteine ethyl ester hydrochloride, 98% 98%	07-0440	25g	$43
L-Cysteine ethyl ester hydrochloride, 98% 98%	07-0440	100g	$125
More product size

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L-Cysteine ethyl ester hydrochloride Properties

Melting point	123-125 °C(lit.)
alpha	-13 º (c=8, 1 N HCL)
refractive index	-11.5 ° (C=8, 1mol/L HCl)
storage temp.	Keep in dark place,Sealed in dry,Room Temperature
solubility	Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
form	solid
color	white
optical activity	[α]20/D 7.9°, c = 1 in 1 M HCl
Water Solubility	Soluble in water.
Sensitive	Hygroscopic
BRN	3562600
Major Application	peptide synthesis
Cosmetics Ingredients Functions	SKIN PROTECTING
InChI	InChI=1/C5H11NO2S.ClH/c1-2-8-5(7)4(6)3-9;/h4,9H,2-3,6H2,1H3;1H/t4-;/s3
InChIKey	JFKJWWJOCJHMGV-NDILARRWNA-N
SMILES	C(=O)(OCC)[C@@H](N)CS.Cl \|&1:5,r\|
CAS DataBase Reference	868-59-7(CAS DataBase Reference)
FDA UNII	AM467TB2I1
EPA Substance Registry System	L-Cysteine, ethyl ester, hydrochloride (868-59-7)
UNSPSC Code	12352209
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P305+P351+P338

PPE

Eyeshields, Gloves, type N95 (US)

Hazard Codes

Risk Statements

36/37/38

Safety Statements

24/25-36-26

WGK Germany

RTECS

HA1820000

TSCA

TSCA listed

HS Code

29309090

Storage Class

11 - Combustible Solids

NFPA 704

	1
0		0

L-Cysteine ethyl ester hydrochloride price More Price(32)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	C121908	L-Cysteine ethyl ester hydrochloride 98%	868-59-7	25g	$76.7	2026-04-30	Buy
Sigma-Aldrich	C121908	L-Cysteine ethyl ester hydrochloride 98%	868-59-7	100g	$275	2026-04-30	Buy
TCI Chemical	C0996	L-Cysteine Ethyl Ester Hydrochloride >98.0%(T)	868-59-7	25g	$32	2021-12-16	Buy
Strem Chemicals	07-0440	L-Cysteine ethyl ester hydrochloride, 98% 98%	868-59-7	25g	$43	2026-04-30	Buy
Strem Chemicals	07-0440	L-Cysteine ethyl ester hydrochloride, 98% 98%	868-59-7	100g	$125	2026-04-30	Buy

Product number	Packaging	Price	Buy
C121908	25g	$76.7	Buy
C121908	100g	$275	Buy
C0996	25g	$32	Buy
07-0440	25g	$43	Buy
07-0440	100g	$125	Buy

L-Cysteine ethyl ester hydrochloride Chemical Properties,Uses,Production

Chemical Properties

white powder

Uses

L-Cysteine ethyl ester hydrochloride is widely used in food additive, cosmetic, pharmaceutical area.

Definition

ChEBI: Ethyl L-cysteine hydrochloride is an alpha-amino acid ester.

reaction suitability

reaction type: solution phase peptide synthesis

L-Cysteine ethyl ester hydrochloride synthesis

Synthesis of L-Cysteine ethyl ester hydrochloride from Ethanol and L-Cysteine

L-Cysteine ethyl ester hydrochloride Preparation Products And Raw materials

Raw materials

Ethanol L-Cysteine

Preparation Products

2-(3-CHLORO-PHENYL)-THIAZOLE-4-CARBOXYLIC ACID ETHYL ESTER 2-(2-METHOXY-PHENYL)-THIAZOLE-4-CARBOXYLIC ACID ETHYL ESTER 2-(3-METHOXY-PHENYL)-THIAZOLE-4-CARBOXYLIC ACID ETHYL ESTER

L-Cysteine ethyl ester hydrochloride Suppliers

Global( 353)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
changzhou huayang technology co., ltd	+8615250961469	2571773637@qq.com	China	9653	58
Hebei Chuanghai Biotechnology Co., Ltd	+8615350571055	Sibel@chuanghaibio.com	China	8738	58
Sichuan HongRi Pharma-Tech Co.,Ltd	+8618382028708	ni@enlaibio.com	China	1098	58
Hebei Zhuanglai Chemical Trading Co Ltd	+86-16264648883	niki@zlchemi.com	China	7245	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718; +8613336195806	sales@capot.com	China	29640	60
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21590	55
ATK CHEMICAL COMPANY LIMITED	+undefined-21-51877795	ivan@atkchemical.com	China	33024	60
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29819	58
Xiamen AmoyChem Co., Ltd	+86-86-5926051114 +8615060885618	sales@amoychem.com	China	6369	58
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63687	58

Supplier	Advantage
changzhou huayang technology co., ltd	58
Hebei Chuanghai Biotechnology Co., Ltd	58
Sichuan HongRi Pharma-Tech Co.,Ltd	58
Hebei Zhuanglai Chemical Trading Co Ltd	58
Capot Chemical Co.,Ltd.	60
Henan Tianfu Chemical Co.,Ltd.	55
ATK CHEMICAL COMPANY LIMITED	60
career henan chemical co	58
Xiamen AmoyChem Co., Ltd	58
Alchem Pharmtech,Inc.	58

View Lastest Price from L-Cysteine ethyl ester hydrochloride manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-04-30	L-Cysteine ethyl ester hydrochloride 868-59-7	US $0.00 / Kg/Drum	1KG	98%min	500kgs	WUHAN FORTUNA CHEMICAL CO., LTD
2026-04-30	H-L-Cys-OEt.HCl 868-59-7	US $0.00-0.00 / kg	1kg	98%	1T+	Sichuan HongRi Pharma-Tech Co.,Ltd
2026-03-20	L-Cysteine ethyl ester hydrochloride 868-59-7	US $10.00 / KG	1KG	99%	10 mt	Hebei Chuanghai Biotechnology Co., Ltd

L-Cysteine ethyl ester hydrochloride
868-59-7
US $0.00 / Kg/Drum
98%min
WUHAN FORTUNA CHEMICAL CO., LTD

H-L-Cys-OEt.HCl
868-59-7
US $0.00-0.00 / kg
98%
Sichuan HongRi Pharma-Tech Co.,Ltd

L-Cysteine ethyl ester hydrochloride
868-59-7
US $10.00 / KG
99%
Hebei Chuanghai Biotechnology Co., Ltd

L-Cysteine ethyl ester hydrochloride Spectrum

L-Cysteine ethyl ester hydrochloride(868-59-7)MS L-Cysteine ethyl ester hydrochloride(868-59-7)¹HNMR L-Cysteine ethyl ester hydrochloride(868-59-7)¹³CNMR L-Cysteine ethyl ester hydrochloride(868-59-7)IR1 L-Cysteine ethyl ester hydrochloride(868-59-7)IR2 L-Cysteine ethyl ester hydrochloride(868-59-7)Raman

868-59-7(L-Cysteine ethyl ester hydrochloride)Related Search:

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(R)-Ethyl 2-aMino-3-Mercaptopropanoate hydrochloride L-Cys-Oet·HCl ethyl (2R)-2-aMino-3-sulfanylpropanoate hydrochloride cysteineethylesterhydrochloride ethylester,hydrochloride,l-cystein H-CYS-OET H-CYS-OET HCL Ethyl cysteine hydrochloride ETHYL 2-AMINO-3-MERCAPTOPROPANOATE HYDROCHLORIDE L-CYSTEINE ETHYL ESTER HYDROCHLORIDE L-CYSTEINE ETHYL ESTER MONOHYDROCHLORIDE L-CYSTEIN ETHYL ESTER HYDROCHLORIDE Cys-Oet·HCl L-Cysteine ethyl ester hydroc L-Cysteine,ethyl ester, hydrochloride (1:1) [(2R)-1-ethoxy-3-mercapto-1-oxopropan-2-yl]ammonium ethyl L-cysteinate hydrochloride Cystanin Cysteine, ethyl ester, hydrochloride, L- (6CI, 7CI, 8CI) Ethyl cysteinate hydrochloride NSC 117387 NSC 519837 L-CYSTEINE ETHYL ESTER HYDROCHLORIDE, 98 % (99% EE/GLC) L-CYSTEINE ETHYL ESTER HYDROCHLORIDECRYS TALLINE L-Cysteine ethyl ester hydrochloride 98% Cysteine ethyl·hydrochloride E-Cysten Ethyl L-cysteine hydrochloride L-Cysteine ethyl·hydrochloric acid L-Cysteine ethyl ester hydrochloride,98% L-Cysteine ethyl est Cysteinmethylesterhydrochloride,98% L-Cysteine Ethyl Ester HCl Ethyl (2R)-2-amino-3-mercaptopropanoate hydrochloride, Ethyl (2R)-2-amino-3-sulphanylpropanoate hydrochloride L-Trp-OEt L-Cysteine ethyl ester hydrochloride≥ 99% (Titration) L-Cysteine Ethyl Ester Hydrochloride > -Cysteine EthyL L-Cysteine ethyl ester hydrochloride USP/EP/BP TIANFUCHEM--868-59-7--L-Cysteine ethyl ester hydrochloride ethyl (2R)-2-amino-3-sulfanylpropanoate H-L-Cys-OEt.HCl Cys-Oet·hydrochloride L-Cysteine ethyl ester hydrochloride 868-59-7 C5H12NO2S C5H11NO2SCl C5H11NO2S稨Cl C5H11NO2SClH HSCH2CHNH2COOC2H5HCl C5H11NO2SHCl C5H11O2NSxHCl Cysteine/Cystine Amino Acid Ethyl Esters Amino Acids (C-Protected) Protected & Labeled Amino Acids Amino Acid Derivatives Peptide Synthesis