DL-Methionine
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- $5 - $2632.01
- Product name: DL-Methionine
- CAS: 59-51-8
- MF: C5H11NO2S
- MW: 149.21
- EINECS:200-432-1
- MDL Number:MFCD00063097
- Synonyms:DL-Methionine≥ 99% (Titration);(RS)-Methionine;Kochia fruit extract (10:1);DL-Met-OH;DL-METHIONINE (13C5,D8,15N);DL-METHIONINE (METHYL-13C);Kochia seed extract;BUFFER SOLUTION PH 4 AVS TITRINORM BOM
57 prices
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Brand
- Acrotein
- Adipogen Life Sciences
- AK Scientific
- Alfa Aesar
- Ambeed
- American Custom Chemicals Corporation
- ApexBio Technology
- Atlantic Research Chemicals
- Chemenu
- Chem-Impex
- ChemScene
- Crysdot
- Frontier Specialty Chemicals
- Matrix Scientific
- Medical Isotopes, Inc.
- Sigma-Aldrich
- TCI Chemical
- TRC
- Usbiological
Package
- 200ul
- 500mg
- 1g
- sample
- 100mg
- 200mg
- m0950000
- 2.500g
- 5g
- 25g
- 50G
- 100g
- 250g
- 500g
- 1kg
- 1000g
- 5KG
- 5000g
- 10KG
- 25KG
- 100KG
- 1gm:
- ManufacturerAcrotein
- Product numberNA-0092
- Product descriptionDL-Methionine 97%
- Packaging1kg
- Price$82.5
- Updated2021-12-16
- Buy
- ManufacturerAcrotein
- Product numberNA-0092
- Product descriptionDL-Methionine 97%
- Packaging250g
- Price$18.33
- Updated2021-12-16
- Buy
- ManufacturerAcrotein
- Product numberNA-0092
- Product descriptionDL-Methionine 97%
- Packaging100g
- Price$14.67
- Updated2021-12-16
- Buy
- ManufacturerAdipogen Life Sciences
- Product numberCDX-D0444-G500
- Product descriptionDL-Methionine ≥99%
- Packaging500g
- Price$82
- Updated2021-12-16
- Buy
- ManufacturerAK Scientific
- Product numberJ53255
- Product descriptionDL-Methionine
- Packaging25g
- Price$12
- Updated2021-12-16
- Buy
- ManufacturerAlfa Aesar
- Product numberA11457
- Product descriptionDL-Methionine, 99%
- Packaging250g
- Price$35.8
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product numberA11457
- Product descriptionDL-Methionine, 99%
- Packaging1000g
- Price$90.65
- Updated2024-03-01
- Buy
- ManufacturerAlfa Aesar
- Product numberA11457
- Product descriptionDL-Methionine, 99%
- Packaging5000g
- Price$323
- Updated2024-03-01
- Buy
- ManufacturerAmbeed
- Product numberA150589
- Product descriptionDL-Methionine 98%
- Packaging100mg
- Price$5
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA150589
- Product descriptionDL-Methionine 98%
- Packaging25g
- Price$6
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA150589
- Product descriptionDL-Methionine 98%
- Packaging100g
- Price$8
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA150589
- Product descriptionDL-Methionine 98%
- Packaging500g
- Price$24
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA150589
- Product descriptionDL-Methionine 98%
- Packaging1kg
- Price$46
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberAAA0035185
- Product descriptionDL-METHIONINE 95.00%
- Packaging25G
- Price$687
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberAAA0035185
- Product descriptionDL-METHIONINE 95.00%
- Packaging50G
- Price$925
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberAAA0035185
- Product descriptionDL-METHIONINE 95.00%
- Packaging100G
- Price$1340
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| Acrotein | NA-0092 | DL-Methionine 97% | 1kg | $82.5 | 2021-12-16 | Buy |
| Acrotein | NA-0092 | DL-Methionine 97% | 250g | $18.33 | 2021-12-16 | Buy |
| Acrotein | NA-0092 | DL-Methionine 97% | 100g | $14.67 | 2021-12-16 | Buy |
| Adipogen Life Sciences | CDX-D0444-G500 | DL-Methionine ≥99% | 500g | $82 | 2021-12-16 | Buy |
| AK Scientific | J53255 | DL-Methionine | 25g | $12 | 2021-12-16 | Buy |
| Alfa Aesar | A11457 | DL-Methionine, 99% | 250g | $35.8 | 2024-03-01 | Buy |
| Alfa Aesar | A11457 | DL-Methionine, 99% | 1000g | $90.65 | 2024-03-01 | Buy |
| Alfa Aesar | A11457 | DL-Methionine, 99% | 5000g | $323 | 2024-03-01 | Buy |
| Ambeed | A150589 | DL-Methionine 98% | 100mg | $5 | 2021-12-16 | Buy |
| Ambeed | A150589 | DL-Methionine 98% | 25g | $6 | 2021-12-16 | Buy |
| Ambeed | A150589 | DL-Methionine 98% | 100g | $8 | 2021-12-16 | Buy |
| Ambeed | A150589 | DL-Methionine 98% | 500g | $24 | 2021-12-16 | Buy |
| Ambeed | A150589 | DL-Methionine 98% | 1kg | $46 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | AAA0035185 | DL-METHIONINE 95.00% | 25G | $687 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | AAA0035185 | DL-METHIONINE 95.00% | 50G | $925 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | AAA0035185 | DL-METHIONINE 95.00% | 100G | $1340 | 2021-12-16 | Buy |
Properties
Melting point :284 °C (dec.)(lit.)
alpha :-1～+1°(D/20℃)(c=8,HCl)
Boiling point :306.9±37.0 °C(Predicted)
Density :1.34
FEMA :3301 | D,L-METHIONINE
refractive index :1.5216 (estimate)
storage temp. :2-8°C
solubility :1 M HCl: 0.5 M at 20 °C, clear, colorless
pka :2.13(at 25℃)
form :Crystals or Crystalline Powder
color :White
Odor :mild sulfurous acidic
Odor Type :acidic
optical activity :[α]/D, c = 5 in 5 M HCl (inactive)
Water Solubility :2.9 g/100 mL (20 ºC)
Merck :14,5975
JECFA Number :1424
BRN :636185
BCS Class :1
Stability :Stable. Incompatible with strong oxidising agents.
InChIKey :FFEARJCKVFRZRR-UHFFFAOYSA-N
LogP :0.37
CAS DataBase Reference :59-51-8(CAS DataBase Reference)
NIST Chemistry Reference :Methionine(59-51-8)
EPA Substance Registry System :Methionine (59-51-8)
alpha :-1～+1°(D/20℃)(c=8,HCl)
Boiling point :306.9±37.0 °C(Predicted)
Density :1.34
FEMA :3301 | D,L-METHIONINE
refractive index :1.5216 (estimate)
storage temp. :2-8°C
solubility :1 M HCl: 0.5 M at 20 °C, clear, colorless
pka :2.13(at 25℃)
form :Crystals or Crystalline Powder
color :White
Odor :mild sulfurous acidic
Odor Type :acidic
optical activity :[α]/D, c = 5 in 5 M HCl (inactive)
Water Solubility :2.9 g/100 mL (20 ºC)
Merck :14,5975
JECFA Number :1424
BRN :636185
BCS Class :1
Stability :Stable. Incompatible with strong oxidising agents.
InChIKey :FFEARJCKVFRZRR-UHFFFAOYSA-N
LogP :0.37
CAS DataBase Reference :59-51-8(CAS DataBase Reference)
NIST Chemistry Reference :Methionine(59-51-8)
EPA Substance Registry System :Methionine (59-51-8)
Safety Information
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Description
Methionine (2-amino-4(methylthio)-butanoic acid) is one of the essential amino acids, which are used by our bodies to make proteins and can only be supplied by diets. Methionine is found in metal, fish, and dairy products, and it plays an important role in many cell functions.With an asymmetric carbon, methionine molecules can be D (Dextrogyre) or L (Levogyre), optical isomers. L-methionine is the biologically active form of methionine in proteins. D-methionine is converted into L-methionine by enzymatic processes inside animal bodies in such a way that L- and D-methionine are equivalent for animal nutrition. D,L-methionine (DLM) is the most common form of commercialized methionine, composed of the racemic mixture of D and L-methionine. D,L-methionine is commercialized as a white crystalline powder, containing 99% of active substance, or in a brown liquid form with 40% purity, made from the dissolution of D,L-methionine in sodium hydroxide.
Methionine is used to prevent liver damage in acetaminophen (Tylenol) poisoning. It is also used to increase the acidity of urine, to treat liver disorders, and to improve wound healing. Furthermore, it is used for the treatment of depression, alcoholism, allergies, asthma, copper poisoning, radiation side effects, schizophrenia, drug withdrawal, and Parkinson's disease. Methionine is registered as an ingredient for use in cosmetics as antistatic and for skin conditioning (Commission Decision 2006/257/EC).
D,L-methionine is used in animal feeds for poultry and pigs, as well as in diets for cats and dogs. D,L-methionine technically pure protected with copolymer vinylpyridine/styrene, and D,L-methionine protected with ethylcellulose when used as a feed additive for ruminants, are currently authorized for use for all animal species and ruminants, respectively, by Regulation (EU) No 469/2013.
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