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Substance Name: Racemethionine [USAN:USP:NF]
RN: 59-51-8
UNII: 73JWT2K6T3
InChIKey: FFEARJCKVFRZRR-UHFFFAOYSA-N

Note

  • A preparation of METHIONINE that includes a mixture of D-methionine and L-methionine isomers.

Molecular Formula

  • C5-H11-N-O2-S

Molecular Weight

  • 149.2129
 

Classification Codes

  • Antifungal
  • Mutation Data
  • Reproductive Effect
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Names and Synonyms

Name of Substance

  • Methionine DL-
  • Racemethionine
  • Racemethionine [USAN:USP:NF]

MeSH Heading

  • Racemethionine

Synonyms

  • (+-)-Methionine
  • Acimetion
  • AI3-18475
  • alpha-Amino-gamma-(methylthio)butyric acid
  • alpha-Amino-gamma-methylmercaptobutyric acid
  • alpha-Amino-gamma-methylmercaptobutyric acid (VAN)
  • Banthionine
  • CCRIS 3717
  • Cynaron
  • DL-2-Amino-4-(methylthio)-butyric acid
  • DL-2-Amino-4-(methylthio)butanoic acid
  • DL-methionine
  • DL-Methioninum
  • Dyprin
  • EINECS 200-432-1
  • FEMA No. 3301
  • Lobamine
  • Meonine
  • Mertionin
  • Methilanin
  • Methionine, amorphous
  • Methionine, DL-
  • Metione
  • Neston
  • NSC 9241
  • Pedameth
  • Racemethionine
  • UNII-73JWT2K6T3
  • Urimeth

Systematic Name

  • Methionine

Superlist Name

  • Methionine

Registry Numbers

CAS Registry Number

  • 59-51-8

FDA UNII

  • 73JWT2K6T3

Other Registry Numbers

  • 1105707-18-3
  • 192948-75-7

System Generated Number

  • 0000059518

Structure Descriptors

InChI

1S/C5H11NO2S/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)

InChIKey

FFEARJCKVFRZRR-UHFFFAOYSA-N

Smiles

C(C(=O)O)(CCSC)N

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LDLo intraperitoneal 1500mg/kg (1500mg/kg)   Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 5, Pg. 2041, 1977.
mouse LDLo intravenous 300mg/kg (300mg/kg)   Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 5, Pg. 2041, 1977.
mouse LDLo oral 4gm/kg (4000mg/kg)   Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 5, Pg. 2041, 1977.
rat LD intravenous > 400mg/kg (400mg/kg)   Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 5, Pg. 2041, 1977.
rat LD oral > 5gm/kg (5000mg/kg)   Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 5, Pg. 2041, 1977.
rat LDLo intraperitoneal 2gm/kg (2000mg/kg)   Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 5, Pg. 2041, 1977.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 281 dec deg C   EXP
pKa Dissociation Constant 2.28 (none)   EXP
log P (octanol-water) -2.410 (none)   EST
Water Solubility 3.27E+04 mg/L 25 EXP
Atmospheric OH Rate Constant 5.13E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.