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M9500

DL-Methionine

≥99%, suitable for cell culture and insect cell cutlure

Synonim(y):

(±)-2-Amino-4-(methylmercapto)butyric acid, DL-2-Amino-4-(methylthio)butanoic acid

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Do Państwa/SKUDostępnośćCena netto
100 g
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270,00 zł
500 g
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523,00 zł
1 kg
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653,00 zł

Informacje o tej pozycji

Wzór liniowy:
CH3SCH2CH2CH(NH2)COOH
Numer CAS:
Masa cząsteczkowa:
149.21
NACRES:
NA.26
PubChem Substance ID:
UNSPSC Code:
12352209
EC Number:
200-432-1
MDL number:
Beilstein/REAXYS Number:
636185

270,00 zł


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Nazwa produktu

DL-Methionine, ≥99%

Quality Segment

assay

≥99%

form

powder

technique(s)

cell culture | insect: suitable, cell culture | mammalian: suitable

color

white

mp

280 °C (dec.) (lit.)

solubility

H2O: soluble

application(s)

peptide synthesis

SMILES string

CSCCC(N)C(O)=O

InChI

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

InChI key

FFEARJCKVFRZRR-UHFFFAOYSA-N

General description

DL-Methionine is an essential amino acid containing sulphur. Methionine consists of an asymmetric carbon and exists as D (dextrogyre) and L (levogyre) optical isomers. The L-methionine is considered as biologically active. The racemic mixture of D and L-isomers forms DL-methionine, which is the commercially available methionine.

Application

DL-Methionine has been used to study its effect on the growth and feed utilization of Nile tilapia. It has also been used as a part of standard diet in animal models.

Biochem/physiol Actions

DL-Methionine is an amino acid that has a role in the defence of oxidative stress.
Methionine offers protection against disorders related to hair, skin and nails. It elevates lecithin production in the liver and thereby reduces cholesterol level. It naturally serves as a heavy metal chelating agent, regulating ammonia concentration in the urine. This ameliorates bladder irritation. Methionine is also known to induce hair growth.
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64340M09500001643292
DL-Methionine European Pharmacopoeia (EP) Reference Standard

M0950000

DL-Methionine

description

≥99%

description

≥99.0% (NT)

description

European Pharmacopoeia (EP) Reference Standard

description

United States Pharmacopeia (USP) Reference Standard

form

powder

form

powder or crystals

form

-

form

-

technique(s)

cell culture | insect: suitable, cell culture | mammalian: suitable

technique(s)

-

technique(s)

-

technique(s)

-

assay

≥99%

assay

≥99.0% (NT)

assay

-

assay

-

Quality Level

200

Quality Level

200

Quality Level

-

Quality Level

-

mp

280 °C (dec.) (lit.)

mp

280 °C (dec.) (lit.)

mp

280 °C (dec.) (lit.)

mp

280 °C (dec.) (lit.)

solubility

H2O: soluble

solubility

5 M HCl: 1 g/10 mL, clear, colorless to almost colorless

solubility

-

solubility

-


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Klasa składowania

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)



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Certyfikaty analizy (CoA)

Lot/Batch Number

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Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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