H-Cys-OEt.HCl

Modify Date: 2024-01-02 08:00:32

H-Cys-OEt.HCl Structure
H-Cys-OEt.HCl structure
 Common Name H-Cys-OEt.HCl
CAS Number 868-59-7 Molecular Weight 185.672
Density 1.391 g/cm3 Boiling Point 205.9ºC at 760 mmHg
Molecular Formula C5H12ClNO2S Melting Point 123-125 °C(lit.)
MSDS Chinese USA Flash Point 78.3ºC

 Use of H-Cys-OEt.HCl


L-Cysteine ethyl ester HCl is a cysteine derivative[1].

 Names

Name L-Cysteine ethyl ester hydrochloride
Synonym More Synonyms

 H-Cys-OEt.HCl Biological Activity

Description L-Cysteine ethyl ester HCl is a cysteine derivative[1].
Related Catalog
In Vitro Amino acids and amino acid derivatives have been commercially used as ergogenic supplements. They influence the secretion of anabolic hormones, supply of fuel during exercise, mental performance during stress related tasks and prevent exercise induced muscle damage. They are recognized to be beneficial as ergogenic dietary substances[1].
References

[1]. Luckose F, et al. Effects of amino acid derivatives on physical, mental, and physiological activities. Crit Rev Food Sci Nutr. 2015;55(13):1793-807.

 Chemical & Physical Properties

Density 1.391 g/cm3
Boiling Point 205.9ºC at 760 mmHg
Melting Point 123-125 °C(lit.)
Molecular Formula C5H12ClNO2S
Molecular Weight 185.672
Flash Point 78.3ºC
Exact Mass 185.027725
PSA 91.12000
LogP 1.30890
Index of Refraction -11.5 ° (C=8, 1mol/L HCl)

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
HA1820000
CHEMICAL NAME :
Cysteine, ethyl ester, hydrochloride, L-
CAS REGISTRY NUMBER :
868-59-7
LAST UPDATED :
199701
DATA ITEMS CITED :
8
MOLECULAR FORMULA :
C5-H11-N-O2-S.Cl-H
MOLECULAR WEIGHT :
185.69
WISWESSER LINE NOTATION :
SH1YZVO2 &GH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo, Japan) Volume(issue)/page/year: 6,113,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2120 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo, Japan) Volume(issue)/page/year: 6,113,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
725 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo, Japan) Volume(issue)/page/year: 6,113,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
3470 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo, Japan) Volume(issue)/page/year: 6,113,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
854 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CPBTAL Chemical and Pharmaceutical Bulletin. (Japan Pub. Trading Co., USA, 1255 Howard St., San Francisco, CA 94103) V.6- 1958- Volume(issue)/page/year: 20,721,1972
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1550 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo, Japan) Volume(issue)/page/year: 6,113,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
688 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo, Japan) Volume(issue)/page/year: 6,113,1982

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi
Risk Phrases R36/37/38
Safety Phrases S24/25
RIDADR NONH for all modes of transport
WGK Germany 2
RTECS HA1820000

 Synthetic Route

Ethanol structure

Ethanol

CAS#:64-17-5
L-Cysteine hydrochloride anhydrous structure

L-Cysteine hydr...

CAS#:52-89-1

~%

H-Cys-OEt.HCl Structure

H-Cys-OEt.HCl

CAS#:868-59-7
Literature: Tetrahedron Asymmetry, , vol. 11, # 21 p. 4255 - 4261
L-cysteine structure

L-cysteine

CAS#:52-90-4

~80%

H-Cys-OEt.HCl Structure

H-Cys-OEt.HCl

CAS#:868-59-7
Literature: Sakai; Yoneda Chemical and Pharmaceutical Bulletin, 1981 , vol. 29, # 6 p. 1554 - 1560
Ethanol structure

Ethanol

CAS#:64-17-5
L-cysteine structure

L-cysteine

CAS#:52-90-4

~%

H-Cys-OEt.HCl Structure

H-Cys-OEt.HCl

CAS#:868-59-7
Literature: Tetrahedron Asymmetry, , vol. 8, # 12 p. 2033 - 2043
Ethanol structure

Ethanol

CAS#:64-17-5

~%

H-Cys-OEt.HCl Structure

H-Cys-OEt.HCl

CAS#:868-59-7
Literature: Helvetica Chimica Acta, , vol. 12, p. 322

 Articles28

More Articles
GC-MS analysis of S-nitrosothiols after conversion to S-nitroso-N-acetyl cysteine ethyl ester and in-injector nitrosation of ethyl acetate.

J. Chromatogr. B. Analyt. Technol. Biomed. Life Sci. 877(28) , 3442-55, (2009)

S-Nitrosothiols from low-molecular-mass and high-molecular-mass thiols, including glutathione, albumin and hemoglobin, are endogenous potent vasodilators and inhibitors of platelet aggregation. By uti...
Effect of cysteine ethylester hydrochloride (Cystanin) on host defense mechanisms (V): Potentiation of nitroblue tetrazolium reduction and chemiluminescence in macrophages or leukocytes of mice or rats.

Jpn. J. Pharmacol. 53(1) , 57-66, (1990)

L-Cysteine ethylester hydrochloride (Cystanin, ethylcysteine) at doses of 3-30 mg/kg, p.o., potentiated the reduction of nitroblue tetrazolium (NBT) by mouse peritoneal macrophages ex vivo. In in vitr...
Oral L-cysteine ethyl ester (LCEE) reduces amoebic gill disease (AGD) in Atlantic salmon Salmo salar.

Dis. Aquat. Organ. 66(1) , 21-8, (2005)

There is a need for the development of alternative therapeutic treatments for amoebic gill disease (AGD) in Atlantic salmon Salmo salar L. to maintain the sustainability of the Tasmanian Atlantic salm...

 Synonyms

L-Cysteine Ethyl Ester HCl
EINECS 212-779-6
Cystanin
DL-cysteine ethyl ester hydrochloride
L-Cysteine, ethyl ester, hydrochloride (1:1)
MFCD00012631
Ethyl L-cysteinate hydrochloride (1:1)
E-Cysten
H-CYS-OET
H-Cys-OEt.HCl
L-Cysteine ethyl est
L-Cysteineethylesterhydrochloride
Ethyl cysteine hydrochloride
ethyl L-cysteinate hydrochloride
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