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Methionine derivatives

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Methionine is a sulfur-containing amino acids. Methionine has lipotropic action as choline, because the methyl need be supplied by methionine when synthesize choline in vivo, and choline is a component for lecithin which is essential for transporting fatty out of liver and removing the depositional fatty of the liver. In addition, methionine supply sulfur to synthesize non-exogenous amino acid in vivo, while the latter has a detoxifying effect. Therefore this drug is used for the liver lipotropic in clinical medicine. This medicine applies with fatty liver and chronic hepatitis, cirrhosis accompanied with fatty infiltration of the liver. It still be clinically used as a poisoning adjuvant therapy of alcohol and sulfa.

The scientific name is methylthio butyric acid, one of the essential amino acids. It is a white flaky crystal or crystalline powder with a specific odor. The molecular weight is 149.21. The melting point of DL- methionine (racemic) is 281 ℃ (decomposition). The relative density is 1.340. DL- methionine is soluble in water, dilute acid and alkali, slightly soluble in 95% ethanol, and insoluble in ether. The melting point of L- methionine (L-body) is 280 ~ 281 ℃ (decomposition). L- methionine is soluble in hot water and dilute alcohol, insoluble in absolute ethanol, ethyl ether, petroleum ether, benzene and acetone. The melting point of D- methionine (D-body) is 273 ℃ (decomposition).D- methionine is soluble in water, dilute acid and alkali; very slightly soluble in alcohol, and insoluble in ether. Usually right-handed amino acids in biochemistry have low biological effects while methionine is an exception. D- methionine and L- methionine are effective  accelerator which is due to the D- methionine can be converted into L- methionine in vivo. Therefore synthetic DL- methionine does not require separation and can be used directly. Methionine is an essential amino acid in animal body and a component for proteins. It can maintain the body's growth and nitrogen balance. It can not be synthesized in the body of animals and must be acquired in the form of amino acids or proteins from in vitro supply. It is an important feed additive (nutritional supplements).In the food sector, Methionine mainly make a complex flavor with glycine alanine valine glutamic acid and other amino acids. In medicine, it is a main component of amino acid infusion liquid and amino acid complex preparation. It is also used for prevention and treatment of liver disease and arsenic, benzene poisoning. It also act as a protein nutritional supplements for the patients who are lack of protein or absorb protein inadequately. These protein is derived from acrolein and methyl mercaptan synthesis. It may also be acquired by casein hydrolysis and purification.

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Structure:
Chemical Name:
L-Methionine methyl ester hydrochloride
CAS:
2491-18-1
MF:
C6H14ClNO2S
Structure:
Chemical Name:
N-Acetyl-DL-methionine
CAS:
1115-47-5
MF:
C7H13NO3S
Structure:
Chemical Name:
H-D-MET-OME HCL
CAS:
69630-60-0
MF:
C6H14ClNO2S
Structure:
Chemical Name:
FMOC-L-Methionine
CAS:
71989-28-1
MF:
C20H21NO4S
Structure:
Chemical Name:
BOC-D-Methionine
CAS:
5241-66-7
MF:
C10H19NO4S
Structure:
Chemical Name:
N-Acetyl-L-methionine
CAS:
65-82-7
MF:
C7H13NO3S
Structure:
Chemical Name:
BOC-MET(O)-OH
CAS:
34805-21-5
MF:
C10H19NO5S
Structure:
Chemical Name:
Fmoc-Met-OH
CAS:
112883-40-6
MF:
C20H21NO4S
Structure:
Chemical Name:
N-CARBOBENZOXY-DL-METHIONINE
CAS:
4434-61-1
MF:
C13H17NO4S
Structure:
Chemical Name:
N-Cbz-L-methionine
CAS:
1152-62-1
MF:
C13H17NO4S
Structure:
Chemical Name:
Ademetionine disulfate tosylate
CAS:
97540-22-2
MF:
C22H34N6O16S4
Structure:
Chemical Name:
BOC-L-Methionine
CAS:
2488-15-5
MF:
C10H19NO4S
Structure:
Chemical Name:
L-METHIONINE SULFOXIMINE
CAS:
15985-39-4
MF:
C5H12N2O3S
Structure:
Chemical Name:
Z-D-MET-OH
CAS:
28862-80-8
MF:
C13H17NO4S
Structure:
Chemical Name:
Ethyl L-methionate hydrochloride
CAS:
2899-36-7
MF:
C7H16ClNO2S
Structure:
Chemical Name:
N-Acetyl-D-methionine
CAS:
1509-92-8
MF:
C7H13NO3S
Structure:
Chemical Name:
S-ADENOSYL-L-METHIONINE
CAS:
17176-17-9
MF:
C15H22N6O5S
Structure:
Chemical Name:
DL-METHIONINE SULFONE
CAS:
820-10-0
MF:
C5H11NO4S
Structure:
Chemical Name:
H-MET-OIPR HCL
CAS:
85391-05-5
MF:
C8H18ClNO2S
Structure:
Chemical Name:
Zinc methionine sulfate
CAS:
56329-42-1
MF:
C5H11NO6S2Zn
Structure:
Chemical Name:
L-METHIONINE METHYLSULFONIUM IODIDE, 99% (99% E.E.)
CAS:
34236-06-1
MF:
C6H16INO2S2
Structure:
Chemical Name:
ethyl DL-methionate hydrochloride
CAS:
6297-53-6
MF:
C7H16ClNO2S
Structure:
Chemical Name:
S-ADENOSYL-L-METHIONINE P-TOLUENESULFONATE SALT
CAS:
86562-85-8
MF:
C22H30N6O8S2
Structure:
Chemical Name:
L-METHIONINE SULFOXIDE
CAS:
3226-65-1
MF:
C5H11NO3S
Structure:
Chemical Name:
BZ-MET-NH2
CAS:
52811-71-9
MF:
C12H16N2O2S
Structure:
Chemical Name:
DL-ALANYL-DL-METHIONINE
CAS:
1999-43-5
MF:
C8H16N2O3S
Structure:
Chemical Name:
DABSYL-L-METHIONINE
CAS:
97684-99-6
MF:
C19H24N4O4S2
Structure:
Chemical Name:
BOC-DL-MET-OH
CAS:
93000-03-4
MF:
C10H19NO4S
Structure:
Chemical Name:
N-Methyl-L-Methionine
CAS:
42537-72-4
MF:
C6H13NO2S
Structure:
Chemical Name:
N-BENZOYL-DL-METHIONINE
CAS:
4703-38-2
MF:
C12H15NO3S
Structure:
Chemical Name:
N-BSMOC-L-METHIONINE
CAS:
197245-29-7
MF:
C15H17NO6S2
Structure:
Chemical Name:
S-ADENOSYL-L-METHIONINE IODIDE SALT
CAS:
3493-13-8
MF:
C15H23IN6O5S
Structure:
Chemical Name:
N-FORMYL-L-METHIONINE
CAS:
4309-82-4
MF:
C6H11NO3S
Structure:
Chemical Name:
DL-METHIONINE SULFOXIDE
CAS:
62697-73-8
MF:
C5H11NO3S
Structure:
Chemical Name:
H-MET-OTBU HCL
CAS:
91183-71-0
MF:
C9H20ClNO2S
Structure:
Chemical Name:
S-ADENOSYL-L-METHIONINE DISULFATE TOSYLATE
MF:
C29H42N6O19S5
Structure:
Chemical Name:
BOC-MET-OH DCHA
CAS:
22823-50-3
MF:
C22H42N2O4S
Structure:
Chemical Name:
DL-Selenomethionine
CAS:
1464-42-2
MF:
C5H11NO2Se
Structure:
Chemical Name:
S-ADENOSYL-L-METHIONINE CHLORIDE SALT
CAS:
24346-00-7
MF:
C15H23ClN6O5S
Structure:
Chemical Name:
DL-METHIONINE SULFOXIDE
CAS:
454-41-1
MF:
C5H11NO3S
Structure:
Chemical Name:
MEOSUC-AAPM-PNA
CAS:
70967-91-8
MF:
C27H38N6O9S
Structure:
Chemical Name:
Ademetionine 1,4-butanedisulfonate
CAS:
101020-79-5
MF:
C23H41N6O17S5-
Structure:
Chemical Name:
B581
CAS:
149759-96-6
MF:
C22H38N4O3S2
Structure:
Chemical Name:
D-METHIONINE METHYL ESTER
CAS:
21691-49-6
MF:
C6H13NO2S
Structure:
Chemical Name:
N-(2,4-DINITROPHENYL)-L-METHIONINE DICYCLOHEXYLAMMONIUM SALT
MF:
C23H36N4O6S
Structure:
Chemical Name:
H-ILE-ILE-GLY-LEU-MET-OH
CAS:
149385-65-9
MF:
C25H47N5O6S
Structure:
Chemical Name:
H-D-MET-OET HCL
CAS:
7512-43-8
MF:
C7H16ClNO2S
Structure:
Chemical Name:
THENOYL METHIONATE
CAS:
60752-63-8
MF:
C10H13NO3S2
Structure:
Chemical Name:
Iron methionine
MF:
C15H30FeN3O6S3
Structure:
Chemical Name:
L-METHIONINE (15N)
MF:
C5H11NO2S
Chemical Name:
POLY-L-METHIONINE
CAS:
26062-47-5
MF:
(C6H9NOS)n+H2O
Structure:
Chemical Name:
5'-[[(3S)-3-Amino-3-carboxypropyl]methylsulfonio]-5'-deoxyadenosine inner salt, 1,4-butanedisulfonate
CAS:
200393-05-1
MF:
C15H22N6O5S.C4H10O6S2
Structure:
Chemical Name:
N-[4-(TRIFLUOROMETHYL)BENZOYL]-L-METHIONINE METHYL ESTER
CAS:
175202-25-2
MF:
C14H16F3NO3S
Structure:
Chemical Name:
PTH-METHIONINE
CAS:
4370-90-5
MF:
C12H14N2OS2
Structure:
Chemical Name:
TYR-D-ALA-GLY-PHE-MET ACOH H2O
CAS:
100929-62-2
MF:
C30H43N5O10S
Structure:
Chemical Name:
O-benzyl-L-methionine toluene-p-sulphonate
CAS:
68739-90-2
MF:
C19H25NO5S2
Structure:
Chemical Name:
N-Acetyl-DL-methionine-15N
MF:
C7H13NO3S
Chemical Name:
Selenium (as Selenomethionine)
Structure:
Chemical Name:
DL-METHIONINE SULFOXIDE
CAS:
4241-59-2
MF:
C5H11NO3S
Structure:
Chemical Name:
N-ACETYL-L-SELENOMETHIONIN
CAS:
210910-25-1
MF:
C7H13NO3Se
Chemical Name:
bis(DL-methioninato-N,O)copper
CAS:
15170-74-8
MF:
C10H20CuN2O4S2
Structure:
Chemical Name:
Chromium Methionine
MF:
C15H30CrN3O6S3
Structure:
Chemical Name:
SODIUM DODECYL SULFATE
CAS:
12768-45-5
MF:
C12H25NaO4S
Chemical Name:
D,L-α-HYDROXYMETHIONINE CALCIUM
Structure:
Chemical Name:
N-[2-[2-(4-fluorophenyl)ethyl]-5-[[[(2S,4S)-4-[(3-pyridinylcarbonyl)thio]-2-pyrrolidinyl]methyl]amino]benzoyl]-L-Methionine 1-methylethyl ester
CAS:
345915-10-8
MF:
C34H41FN4O4S2
Structure:
Chemical Name:
MAGNESIUM ACETYLMETHIONATE
CAS:
105883-49-6
MF:
C14H24MgN2O6S2
Structure:
Chemical Name:
S-adenosylmethionine
CAS:
485-80-3
MF:
C15H23N6O5S
Structure:
Chemical Name:
Manganese Methionine
MF:
C10H20MnN2O4S2