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CAS No 13073-35-3 , (2S)-2-amino-4-ethylsulfanylbutanoic acid

  • Name: (2S)-2-amino-4-ethylsulfanylbutanoic acid
  • Synonyms: L-2-Amino-4-(ethylthio)butyric acid;L-Ethionine;(2S)-2-amino-4-ethylsulfanylbutanoic acid; Ethionine (VAN); (L)-Ethionine; L-S-Ethylhomocysteine; S-Ethyl-L-homocysteine; 13073-35-3;
  • CAS Registry Number:
  • Melting Point: 280 °C (dec.)(lit.)
  • Flash Point: 141.5°C
  • Boiling Point: 310.4°Cat760mmHg
  • Density: 1.164g/cm3
  • Refractive index: 22 ° (C=1, 1mol/L HCl)
  • Safety Statements: Questionable carcinogen with experimental carcinogenic data. Human mutation data reported. When heated to decomposition it emits very toxic fumes of NOx and SOx.
  • Hazard Symbols: Xi: Irritant;
  • Flash Point: 141.5°C
  • EINECS: 235-966-4
  • Molecular Weight: 163.23792
  • InchiKey: GGLZPLKKBSSKCX-YFKPBYRVSA-N
  • InChI: InChI=1S/C6H13NO2S/c1-2-10-4-3-5(7)6(8)9/h5H,2-4,7H2,1H3,(H,8,
    9)/t5-/m0/s1
  • Risk Statements: 36/37/38
  • Molecular Formula: C6H13NO2S
  • Molecular Structure:CAS No:13073-35-3 (2S)-2-amino-4-ethylsulfanylbutanoic acid
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13073-35-3 L-2-Amino-4-(ethylthio)butyriccid

  • L-2-Amino-4-(ethylthio)butyriccid
  • Hong kong Advanced Technology & Industrial Co., Ltd. [Manufacturer]
  • Tel: (852) 2390 2293/ (852) 2394 5546
  • Fax: (852) 2789 8314
  • Address: Unit B, 1/F., Cheong Shing Bldg.,
    17 Walnut St., Tai Kok Tsui, Kln,
    Hong Kong ,Hong kong
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13073-35-3 L-2-Amino-4-(ethylthio)butyric Acid

  • L-2-Amino-4-(ethylthio)butyric Acid
  • Germany CHEMOS GmbH [Manufacturer]
  • Tel: 0049 9402/9336 0
  • Fax: 0049 9402/9336 13
  • Address: CHEMOS GmbH
    Werner-von-Siemensstr. 3
    93128 Regenstauf
    Germany ,Germany
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13073-35-3 L-ethionine

  • L-ethionine
  • Germany chemcube UG [Manufacturer]
  • Tel: +49 (22 08) 7 75 04 06
  • Fax: +49 (22 08) 7 75 02 30 /
    +49 (32 12) 1 00 74 76
  • Address: chemcube UG
    Salierweg 1
    53859 Niederkassel
    Germany ,Germany
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13073-35-3 L-Homocysteine,S-ethyl-

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13073-35-3 L-Homocysteine,S-ethyl-

  • China SHANGHAI HANHONG CHEMICAL CO.,LTD. [Manufacturers]
  • Tel: 021-64545202
  • Fax: 021-54291107
  • Address: Room 207, Zenghe Building , No.245, Jiachuan Road, Xuhui District, Shanghai, China shanghai,shanghaiChina
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13073-35-3 L-Ethionine

  • L-Ethionine
  • Hong kong Frapp's Pharma (Hongkong) Co.,Ltd [Manufacturer]
  • Tel: +852 8130 0917
  • Fax: +852 8130 0927
  • Address: Room 801,Mongkok Harbour Centre,638 Shanghai Street,Mongkok,Kowloon,Hongkang518001 MongkokHONG KONG Mongkok,Hong kong
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13073-35-3 L-ethionine

  • L-ethionine
  • China Pharmasi Chemicals Co.Ltd [Manufacturer]
  • Tel: +86-21-67752521
  • Fax: +86-21-57819315
  • Address: Pharmasi Chemicals Co.Ltd
    Address: Room 903,
    JIAHE business building,
    songjiang,shanghai,china ,China
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13073-35-3 L-ETHIONINE

  • L-ETHIONINE, 98+%
  • United States INTERNATIONAL LABORATORY LIMITED [Manufacturer]
  • Tel: ( 650 ) 278-9963
  • Fax: ( 650 ) 589-2786
  • Address: 1067 SNEATH LN SAN BRUNO CA 94066, USA SAN BRUNOUNITED STATES SAN BRUNO,United States
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13073-35-3 L-Homocysteine,S-ethyl-

  • China Shanghai Hanhong Chemical Co., Ltd. [, Manufacturer, Trading Company, Agent]
  • Tel: +86-(21)-64762736, 64531573
  • Fax: +86-(21)-54291107
  • Address: 206-209, NO.1 Building , NO.245,Jiachuan Road, Xuhui District, Shanghai, Xuhui District,ShanghaiChina
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13073-35-3 L-Homocysteine,S-ethyl-

  • China Fast Pharm Co.,Ltd [Manufacturers]
  • Tel: 8602133538380
  • Fax: 86-021-32082820
  • Address: No.17#-6D. 830 Lane,Maotai Road Shanghai,SH200336,China Shanghai,ShanghaiChina
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References of (2S)-2-amino-4-ethylsulfanylbutanoic acid
Title: Ethionine
CAS Registry Number: 13073-35-3
CAS Name: S-Ethyl-L-homocysteine
Synonyms: 2-amino-4-(ethylthio)butyric acid; a-amino-g-(ethylmercapto)butyric acid; homocysteine S-ethyl ether
Molecular Formula: C6H13NO2S
Molecular Weight: 163.24
Percent Composition: C 44.15%, H 8.03%, N 8.58%, O 19.60%, S 19.64%
Line Formula: CH3CH2SCH2CH2CH(NH2)COOH
Literature References: Prepn from ethanethiol and acrolein, purification via Zn salt: Norton, US 2840587 (1958 to Dow). Prepn of DL-form and L-form: Armstrong, Lewis, J. Org. Chem. 16, 749 (1951). Resolution of D- and L-isomers: Greenstein et al., J. Biol. Chem. 204, 307 (1953). Review: E. Farber, "Ethionine Carcinogenesis" in A. Haddow, S. Weinhouse, Advan. Cancer Res. vol. 7 (Academic Press, New York, 1963) pp 383-474.
Properties: Crystals, dec 272-274°. [a]D24 +25.1°. Also reported as [a]D23 +20.1° (1N HCl) (Armstrong, Lewis).
Optical Rotation: [a]D24 +25.1°; [a]D23 +20.1° (1N HCl) (Armstrong, Lewis)
 
Derivative Type: DL-Form
CAS Registry Number: 67-21-0
Properties: Crystals, dec 257-260°. Also reported as dec 272-284° (Armstrong, Lewis).