L-Methionine
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- $5 - $11583
- Product name: L-Methionine
- CAS: 63-68-3
- MF: C5H11NO2S
- MW: 149.21
- EINECS:200-562-9
- MDL Number:MFCD00063097
- Synonyms:L-Methionine, Animal-Free;L-METHIONINE (13C5,D8,15N);L-METHIONINE (1,2,3,4-13C4;METHYL-13CH3);L-METHIONINE, REAGENT GRADE, >=98% (;L-MethionineUSP, 98.5-101.5% (Titration: anhydrous basis);L(-)-Methionin ;L-2-Amino-3-methylthiobuttersαure
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Brand
- Activate Scientific
- Adipogen Life Sciences
- AK Scientific
- Alfa Aesar
- Ambeed
- American Custom Chemicals Corporation
- Apolloscientific
- Arctom
- Biorbyt Ltd
- Chem-Impex
- ChemScene
- Crysdot
- CSNpharm
- DC Chemicals
- Frontier Specialty Chemicals
- Iris Biotech GmbH
- Matrix Scientific
- Medical Isotopes, Inc.
- Sigma-Aldrich
- TCI Chemical
- TRC
- Usbiological
Package
- 10mg
- 20mg
- 100mg
- 200mg
- 500mg
- 1000mg
- 1g
- 10g
- m0960000
- 5g
- 25g
- 50g
- 100gm
- 100g
- 250G
- 500g
- 1kg
- 2500g
- 5KG
- 10KG
- 25KG
- ManufacturerActivate Scientific
- Product numberAS40622
- Product descriptionL-Methionine 98% ee
- Packaging25g
- Price$33
- Updated2021-12-16
- Buy
- ManufacturerActivate Scientific
- Product numberAS40622
- Product descriptionL-Methionine 98% ee
- Packaging100g
- Price$96
- Updated2021-12-16
- Buy
- ManufacturerAdipogen Life Sciences
- Product numberCDX-M0524-G025
- Product descriptionL-Methionine ≥98%(HPLC)
- Packaging25g
- Price$24
- Updated2021-12-16
- Buy
- ManufacturerAK Scientific
- Product numberJ93900
- Product descriptionL-Methionine
- Packaging5g
- Price$12
- Updated2021-12-16
- Buy
- ManufacturerAlfa Aesar
- Product numberJ61904
- Product descriptionL-Methionine, Cell Culture Reagent
- Packaging50g
- Price$59.9
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product numberA10318
- Product descriptionL-Methionine, 98+%
- Packaging100g
- Price$67.9
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product numberJ61904
- Product descriptionL-Methionine, Cell Culture Reagent
- Packaging100g
- Price$82
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product numberA10318
- Product descriptionL-Methionine, 98+%
- Packaging500g
- Price$230
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product numberJ61904
- Product descriptionL-Methionine, Cell Culture Reagent
- Packaging500g
- Price$318
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product numberA10318
- Product descriptionL-Methionine, 98+%
- Packaging2500g
- Price$730.65
- Updated2024-03-01
- Buy
- ManufacturerAmbeed
- Product numberA351115
- Product descriptionH-Met-OH 95+%
- Packaging25g
- Price$5
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA351115
- Product descriptionH-Met-OH 95+%
- Packaging100g
- Price$7
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA351115
- Product descriptionH-Met-OH 95+%
- Packaging500g
- Price$22
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA351115
- Product descriptionH-Met-OH 95+%
- Packaging1kg
- Price$34
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberAAA0035192
- Product descriptionL-METHIONINE 95.00%
- Packaging25G
- Price$780
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberAAA0035192
- Product descriptionL-METHIONINE 95.00%
- Packaging500G
- Price$1490
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| Activate Scientific | AS40622 | L-Methionine 98% ee | 25g | $33 | 2021-12-16 | Buy |
| Activate Scientific | AS40622 | L-Methionine 98% ee | 100g | $96 | 2021-12-16 | Buy |
| Adipogen Life Sciences | CDX-M0524-G025 | L-Methionine ≥98%(HPLC) | 25g | $24 | 2021-12-16 | Buy |
| AK Scientific | J93900 | L-Methionine | 5g | $12 | 2021-12-16 | Buy |
| Alfa Aesar | J61904 | L-Methionine, Cell Culture Reagent | 50g | $59.9 | 2024-03-01 | Buy |
| Alfa Aesar | A10318 | L-Methionine, 98+% | 100g | $67.9 | 2024-03-01 | Buy |
| Alfa Aesar | J61904 | L-Methionine, Cell Culture Reagent | 100g | $82 | 2024-03-01 | Buy |
| Alfa Aesar | A10318 | L-Methionine, 98+% | 500g | $230 | 2024-03-01 | Buy |
| Alfa Aesar | J61904 | L-Methionine, Cell Culture Reagent | 500g | $318 | 2024-03-01 | Buy |
| Alfa Aesar | A10318 | L-Methionine, 98+% | 2500g | $730.65 | 2024-03-01 | Buy |
| Ambeed | A351115 | H-Met-OH 95+% | 25g | $5 | 2021-12-16 | Buy |
| Ambeed | A351115 | H-Met-OH 95+% | 100g | $7 | 2021-12-16 | Buy |
| Ambeed | A351115 | H-Met-OH 95+% | 500g | $22 | 2021-12-16 | Buy |
| Ambeed | A351115 | H-Met-OH 95+% | 1kg | $34 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | AAA0035192 | L-METHIONINE 95.00% | 25G | $780 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | AAA0035192 | L-METHIONINE 95.00% | 500G | $1490 | 2021-12-16 | Buy |
Properties
Melting point :284 °C (dec.)(lit.)
alpha :23.25 º (c=2, 6N HCl)
Boiling point :393.91°C (estimate)
Density :1,34g/cm
refractive index :1.5216 (estimate)
storage temp. :20-25°C
solubility :1 M HCl: 0.5 M at 20 °C, clear, colorless
form :Solid
pka :2.13(at 25℃)
color :White
PH :5-7 (10g/l, H2O, 20℃)
Odor :Slight characteristic
optical activity :[α]20/D +23.7±0.5°, c = 5% in 5 M HCl
Water Solubility :Soluble
λmax :λ: 260 nm Amax: 0.40
λ: 280 nm Amax: 0.05 Merck :14,5975
BRN :1722294
Stability :Stable. Incompatible with strong oxidizing agents.
LogP :0.217 (est)
CAS DataBase Reference :63-68-3(CAS DataBase Reference)
NIST Chemistry Reference :L-Methionine(63-68-3)
EPA Substance Registry System :L-Methionine (63-68-3)
alpha :23.25 º (c=2, 6N HCl)
Boiling point :393.91°C (estimate)
Density :1,34g/cm
refractive index :1.5216 (estimate)
storage temp. :20-25°C
solubility :1 M HCl: 0.5 M at 20 °C, clear, colorless
form :Solid
pka :2.13(at 25℃)
color :White
PH :5-7 (10g/l, H2O, 20℃)
Odor :Slight characteristic
optical activity :[α]20/D +23.7±0.5°, c = 5% in 5 M HCl
Water Solubility :Soluble
λmax :λ: 260 nm Amax: 0.40
λ: 280 nm Amax: 0.05 Merck :14,5975
BRN :1722294
Stability :Stable. Incompatible with strong oxidizing agents.
LogP :0.217 (est)
CAS DataBase Reference :63-68-3(CAS DataBase Reference)
NIST Chemistry Reference :L-Methionine(63-68-3)
EPA Substance Registry System :L-Methionine (63-68-3)
Safety Information
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| Signal word: | Warning | ||||||||||||||
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Description
L-methionine is a sulfur-containing essential L-amino acid that is important in many body functions. Methionine is a dietary indispensable amino acid required for normal growth and development of humans, other mammals, and avian species. In addition to being a substrate for protein synthesis, it is an intermediate in transmethylation reactions, serving as the major methyl group donor.It must be obtained from diet and food sources since it is unable to be biosynthesized in the body. The minimum daily requirement of L-methionine for an adult male is 13 milligrams per kilogram of body weight. This quantity is normally easy to obtain from a complete diet.Methionine is accepted as the metabolic precursor for cysteine. Only the sulfur atom from methionine is transferred to cysteine; the carbon skeleton of cysteine is donated by serine. (PMID: 16702340).It helps the body produce SAMe (S-Adenosyl-L-methionine), which has been used to treat psychiatric illnesses, infertility, liver problems, premenstrual disorders, and musculoskeletal conditions. Studies on SAMe have shown that it is as effective as tricyclic antidepressants in alleviating depression.
Ongoing studies that show promise are also being conducted to determine how effective L-Methionine may be for treating HIV/AIDS, liver damage, Parkinson's disease, and urinary tract infections.
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