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| CAS No.: | 4144-02-9 |
|---|---|
| Name: | O-METHYL-L-THREONINE |
| Article Data: | 9 |
| Cas Database | |
| Molecular Structure: | |
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| Formula: | C5H11NO3 |
| Molecular Weight: | 133.147 |
| Synonyms: | Butyricacid, 2-amino-3-methoxy-, L- (8CI);(2S,3R)-2-Amino-3-methoxybutanoic acid;L-O-Methylthreonine;H-Thr(Me)-OH;O-Methylthreonine; |
| Density: | 1.143 g/cm3 |
| Melting Point: | 214-216 °C |
| Boiling Point: | 248 °C at 760 mmHg |
| Flash Point: | 103.8 °C |
| Safety: | 22-24/25 |
| PSA: | 72.55000 |
| LogP: | 0.13350 |
- 41440-64-62H-Isoindole-2-aceticacid, a-(4-aminobutyl)-1,3-dihydro-1,3-dioxo-, (aS)-
- 41441-42-31H-Isoindole-5-carboxylicacid, 2,3-dihydro-1,3-dioxo-2-(2-propen-1-yl)-
- 4144-22-31H-Pyrrole-2,5-dione,1-(1,1-dimethylethyl)-
- 41442-57-31,3-Benzenediol,5-heptadecyl-
- 4144-29-0Chol-23-en-3-ol,24,24-diphenyl-, acetate, (3a,5b)- (9CI)
- 41443-28-11H-[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one
- 41443-60-1Octanoic acid,6,8-dichloro-
- 41444-33-1Ethanone,2-(methylthio)-1-(2-thienyl)-
- 41444-57-9
- 41444-62-6CODEINE PHOSPHATE HEMIHYDRATE
- 44975-87-3
N-formyl-O-methyl-Ls-threonine
- 4144-02-9
O-methyl-L-threonine
| Conditions | Yield |
|---|---|
| With hydrogen bromide |
- 4144-02-9
O-methyl-L-threonine
| Conditions | Yield |
|---|---|
| (i) ion-exchange resin + form>, EtOH, H2O, (ii) H2, Pd-C; Multistep reaction; |
- 70561-63-6
Benzyloxycarbonyl-O-methyl-threonin
- 4144-02-9
O-methyl-L-threonine
| Conditions | Yield |
|---|---|
| With hydrogen; Pd-BaSO4 |
- 4144-14-3
methyl (2S,3R)-2-{[(benzyloxy)carbonyl]amino}-3-methoxybutanoate
- 4144-02-9
O-methyl-L-threonine
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: aq. LiOH / tetrahydrofuran 2: H2 / Pd/BaSO4 View Scheme |
- 4144-02-9
O-methyl-L-threonine
| Conditions | Yield |
|---|---|
| Multi-step reaction with 3 steps 1: acetic acid anhydride / 45 - 70 °C 2: brucine; ethanol 3: HBr View Scheme |
- 6622-23-7, 7153-82-4, 7505-36-4, 44975-87-3
N-formyl-O-methyl-DL-threonine
- 4144-02-9
O-methyl-L-threonine
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: brucine; ethanol 2: HBr View Scheme |
- 4144-02-9
O-methyl-L-threonine
| Conditions | Yield |
|---|---|
| With hydrogenchloride at 120℃; for 16h; | |
| With hydrogenchloride In water at 110 - 120℃; for 16h; | 143 mg |
A
- 107-97-1
sarcosine
B
- 4144-02-9
O-methyl-L-threonine
C
- 7423-92-9
o-hydroxyl-phenylalanine
D
- 6734-41-4
cis-4-methyl-(S)-proline
| Conditions | Yield |
|---|---|
| With hydrogenchloride; water at 130℃; |
| Conditions | Yield |
|---|---|
| With hydrogenchloride; water at 160℃; |
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Specification
The L-Threonine, O-methyl-, with the CAS registry number 4144-02-9, is also known as (S)-2-Amino-3-methoxy-butyric acid. It belongs to the product categories of Threonine [Thr, T]; Amino Acids and Derivatives; Amino Acids and Derivatives. This chemical's molecular formula is C5H11NO3 and molecular weight is 133.15. Its systematic name is called O-methyl-L-threonine. When you are using this chemical, please be cautious about it. You should not breathe its dust. Besides, you must avoid contacting it with skin and eyes.
Physical properties of L-Threonine, O-methyl-: (1)ACD/BCF (pH 5.5): 1; (2)ACD/BCF (pH 7.4): 1; (3)ACD/KOC (pH 5.5): 1; (4)ACD/KOC (pH 7.4): 1; (5)#H bond acceptors: 4; (6)#H bond donors: 3; (7)#Freely Rotating Bonds: 4; (8)Index of Refraction: 1.461; (9)Molar Refractivity: 31.97 cm3; (10)Molar Volume: 116.4 cm3; (11)Surface Tension: 41.8 dyne/cm; (12)Density: 1.143 g/cm3; (13)Flash Point: 103.8 °C; (14)Enthalpy of Vaporization: 53.42 kJ/mol; (15)Boiling Point: 248 °C at 760 mmHg; (16)Vapour Pressure: 0.008 mmHg at 25°C.
You can still convert the following datas into molecular structure:
(1)SMILES: OC(=O)[C@@H](N)C(C)OC
(2)InChI: InChI=1/C5H11NO3/c1-3(9-2)4(6)5(7)8/h3-4H,6H2,1-2H3,(H,7,8)/t3?,4-/m0/s1
(3)InChIKey: FYCWLJLGIAUCCL-BKLSDQPFBW