Ethionine

Suppliers

Names

[ Name ]:
Ethionine

[Synonym ]:
Homocysteine S-Ethyl Ether
(S)-2-amino-4-(ethylthio)butanoic acid
L-2-amino-4-(ethylthio)butanoic acid
S-Ethyl-L-homocysteine
L-Homocysteine, S-ethyl-
(+)-S-ethyl-L-homocysteine
MFCD00002626
L-Homocysteine,S-ethyl-
(+)-ethionine
Ethionine
EINECS 235-966-4
L-S-Ethylhomocysteine
(L)-Ethionine
a-Amino-g-(ethylmercapto)butyric Acid
(2S)-2-amino-4-(ethylsulfanyl)butanoic acid
L-Ethionine
L-Homocysteine, S-ethyl-.

Chemical & Physical Properties

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
310.4±37.0 °C at 760 mmHg

[ Melting Point ]:
280ºC (dec.)(lit.)

[ Molecular Formula ]:
C₆H₁₃NO₂S

[ Molecular Weight ]:
163.24

[ Flash Point ]:
141.5±26.5 °C

[ Exact Mass ]:
163.066696

[ PSA ]:
88.62000

[ LogP ]:
0.90

[ Vapour Pressure ]:
0.0±1.4 mmHg at 25°C

[ Index of Refraction ]:
1.524

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: ES6825300

CHEMICAL NAME :: Butyric acid, 2-amino-4-(ethylthio)-, L-

CAS REGISTRY NUMBER :: 13073-35-3

BEILSTEIN REFERENCE NO. :: 1722528

LAST UPDATED :: 199710

DATA ITEMS CITED :: 15

MOLECULAR FORMULA :: C6-H13-N-O2-S

MOLECULAR WEIGHT :: 163.26

WISWESSER LINE NOTATION :: QVYZ2S2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 44100 mg/kg/2Y-C

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors Liver - tumors

MUTATION DATA

TYPE OF TEST :: Sister chromatid exchange

TEST SYSTEM :: Rodent - hamster Ovary

DOSE/DURATION :: 5 mmol/L

REFERENCE :: CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980- Volume(issue)/page/year: 8,1059,1987

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P305 + P351 + P338

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
26

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ RTECS ]:
ES6825300

[ HS Code ]:
2930909090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

L-Homocystine
Ethyl iodide
Ethanethiol
3,6-bis(2-chloroethyl)piperazine-2,5-dione
DL-Ethionine
N-Acetyl-DL-ethionine
2-amino-4-benzylsulfanyl-butanoic acid
O-ACETYL-L-HOMOSERINE HYDROCHLORIDE

DownStream

Customs

[ HS Code ]: 2930909090

[ Summary ]:
2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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Translating clinical findings into knowledge in drug safety evaluation--drug induced liver injury prediction system (DILIps).

J. Sci. Ind. Res. 65(10) , 808, (2006)

Drug-induced liver injury (DILI) is a significant concern in drug development due to the poor concordance between preclinical and clinical findings of liver toxicity. We hypothesized that the DILI typ...

The Japanese toxicogenomics project: application of toxicogenomics.

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Biotechnology advances have provided novel methods for the risk assessment of chemicals. The application of microarray technologies to toxicology, known as toxicogenomics, is becoming an accepted appr...

Developing structure-activity relationships for the prediction of hepatotoxicity.

Chem. Res. Toxicol. 23 , 1215-22, (2010)

Drug-induced liver injury is a major issue of concern and has led to the withdrawal of a significant number of marketed drugs. An understanding of structure-activity relationships (SARs) of chemicals ...