SELENO-DL-METHIONINE

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SELENO-DL-METHIONINE

Product Name: SELENO-DL-METHIONINE
CAS No.: 2578-28-1
Chemical Name: SELENO-DL-METHIONINE
Synonyms: 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
F: 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.]

SELENO-DL-METHIONINE Preparation Products And Raw materials

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:

L-Selenomethionine Ascorbic Acid DL-Selenomethionine L-Methionine

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%

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