ChemicalBook > CAS DataBase List > SELENO-DL-METHIONINE

SELENO-DL-METHIONINE

Product Name
SELENO-DL-METHIONINE
CAS No.
2578-28-1
Chemical Name
SELENO-DL-METHIONINE
Synonyms
CID 53445132;AURORA KA-6143;(+-)-butanoicaci;DL-SELENOMETHIOININE;DL-Selenomethionine ,98%;D L-SELENOMETHIONINE 99+%;2-AMINO-4-(METHYLSELENO)BUTYRIC ACID;DL-SELENOMETHIONINE-13C1 (METHYL-13C) 99;D,L-2-AMINO-4-(METHYLSELENO)BUTANOIC ACID;rac-(2R*)-2-[2-(Methylseleno)ethyl]glycine
CBNumber
CB9356335
Molecular Formula
C5H11NO2Se
Formula Weight
196.11
MOL File
2578-28-1.mol
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SELENO-DL-METHIONINE Property

Melting point:
267-269 °C
storage temp. 
−20°C
solubility 
0.5 M HCl: 50 mg/mL, clear, colorless
form 
Glistening Powder
color 
Colorless
Merck 
8441
CAS DataBase Reference
2578-28-1(CAS DataBase Reference)
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Safety

Hazard Codes 
T,N
Risk Statements 
23/25-33-50/53
Safety Statements 
20/21-28-45-60-61-28A
RIDADR 
UN 3283 6.1/PG 2
WGK Germany 
3
RTECS 
ES7110000
10
HazardClass 
6.1(a)
PackingGroup 
II
HS Code 
29319090
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Hazard and Precautionary Statements (GHS)

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SELENO-DL-METHIONINE Chemical Properties,Usage,Production

Chemical Properties

colorless, faint smelling, glistening powder

Definition

ChEBI: Selenomethionine is a selenoamino acid that is the selenium analogue of methionine. It has a role as a plant metabolite. It is a member of selenomethionines and a selenoamino acid.

Hazard

A poison.

Purification Methods

It crystallises in hexagonal plates from MeOH and H2O. [Klosterman & Painter J Am Chem Soc 69 2009 1949.] The L-isomer [3211-76-5] is purified by dissolving it in H2O, adjusting the pH to 5.5 with aqueous NH3, evaporating to near-dryness, and the residue is washed several times with absolute EtOH till a solid is formed and then recrystallise from Me2CO. It has m 266-268o(dec) [also 275o(dec)], and [] D +18.1o(c 1, N HCl). [Pande et al. J Org Chem 35 1440 1970, Beilstein 4 IV 3216.]

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Raw materials

Preparation Products

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View Lastest Price from SELENO-DL-METHIONINE manufacturers

Career Henan Chemical Co
Product
SELENO-DL-METHIONINE 2578-28-1
Price
US $1.00/kg
Min. Order
1kg
Purity
98%min
Supply Ability
as request
Release date
2018-12-23

2578-28-1, SELENO-DL-METHIONINERelated Search:


  • 2-AMINO-4-(METHYLSELENO)BUTYRIC ACID
  • AURORA KA-6143
  • D,L-2-AMINO-4-(METHYLSELENO)BUTANOIC ACID
  • DL-SELENOMETHIOININE
  • DL-SELENOMETHIONINE-13C1 (METHYL-13C) 99
  • D L-SELENOMETHIONINE 99+%
  • (+-)-butanoicaci
  • rac-(2R*)-2-[2-(Methylseleno)ethyl]glycine
  • DL-Selenomethionine ,98%
  • CID 53445132
  • 2578-28-1
  • C5H11NO2Se
  • C5H9NO2SSe
  • Semimetal Compounds
  • Se (Selenium) Compounds
  • Classes of Metal Compounds
  • Stable Isotopes
  • Modified Amino Acids
  • I - Z
  • BioChemical
  • Alphabetical Listings
  • Amino Acids and Peptides
  • Biochemicals and Reagents
  • Biochemistry
  • Biological-modified Amino Acids
  • Classes of Metal Compounds
  • Se (Selenium) Compounds
  • Semimetal Compounds
  • Amino Acids