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| CAS No.: | 338-69-2 |
|---|---|
| Name: | D-Alanine |
| Article Data: | 211 |
| Molecular Structure: | |
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| Formula: | C3H7NO2 |
| Molecular Weight: | 89.0941 |
| Synonyms: | D-alpha-Aminopropionsaeure;Ba 2776;D-alpha-alanine;(R)-2-Aminopropionsaeure;D-alpha-aminopropionic acid;D(-)-Alanine;H-D-Ala-OH;Alanine D-;D-Ala;D-Ala-OH;D-Alanine;D(-)-.alpha.-Alanine;(2R)-2-aminopropanoic acid;D-.alpha.-Alanine;Alanine, D-;(R)-2-aminopropanoic acid;D-Alanin;(R)-Alanine;D-2-Aminopropionic acid;Alanine D-form;D-(-)-Alanine; |
| EINECS: | 206-418-1 |
| Density: | 1.161g/cm3 |
| Melting Point: | 291 °C (dec.)(lit.) |
| Boiling Point: | 212.9 °C at 760 mmHg |
| Flash Point: | 82.6 °C |
| Solubility: | 155 g/L (20 °C) in water |
| Appearance: | White crystalline powder |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 24/25-36-26 |
| PSA: | 63.32000 |
| LogP: | 0.11850 |
2-aminopropanamide hydrochloride
D-Alanine
| Conditions | Yield |
|---|---|
| Escherichia coli JM109; pCl38DP In various solvent(s) at 30℃; for 0.15h; | 100% |
(3R,6S,1'S)-3,6-dimethyl-4-N-(1'-phenethyl)-1,4-morpholin-2,5-dione
D-Alanine
| Conditions | Yield |
|---|---|
| With hydrogen iodide for 1h; Heating; | 100% |
D-Alanine
| Conditions | Yield |
|---|---|
| With ammonia; lithium In tetrahydrofuran; tert-butyl alcohol at -78℃; for 0.5h; | 99% |
D-Alanine
| Conditions | Yield |
|---|---|
| With ammonia; lithium In tetrahydrofuran; tert-butyl alcohol at -78℃; for 0.5h; Birch reduction; | 99% |
| Conditions | Yield |
|---|---|
| With isopropylamine In aq. buffer at 37℃; for 24h; pH=7.0; Enzymatic reaction; | 95% |
| With D-glucose; Bacillus subtilis glucose dehydrogenase; Symbiobacterium thermophilum meso-Diaminopimelate dehydrogenase W121L/H227I mutant; NADP; ammonium chloride In aq. buffer at 37℃; for 24h; pH=8.5; Kinetics; Reagent/catalyst; Enzymatic reaction; | 49% |
| With ammonium hydroxide; D-amino acid oxidase In phosphate buffer for 10h; pH=6.5; Reduction; Electrochemical reaction; |
Boc-(R)-Ala
D-Alanine
| Conditions | Yield |
|---|---|
| With water at 170℃; for 0.05h; Microwave irradiation; | 95% |
(R)-(+)-2-hydrazinopropionic acid
D-Alanine
| Conditions | Yield |
|---|---|
| With hydrogen; platinum(IV) oxide | 92% |
| Conditions | Yield |
|---|---|
| With CC10H14NOSCH2CH2CH3N(CH3)2 (5); zinc diacetate In methanol at 30℃; Product distribution; pH 4.00; other reagents; | A 9% B 91% |
| With 5-((3-(dimethylamino)propyl)thio)-4-(aminomethyl)-3-hydroxyl-5,6,7,8-tetraquinoline In methanol at 30℃; Product distribution; stereoselective transamination at pH=4.00, various reagents and pH; | A 7 % Chromat. B 93 % Chromat. |
| With ethylenediaminetetraacetic acid; D-(R)-phenylalanine at 20℃; for 24h; pH=8; Product distribution; Further Variations:; Reagents; transamination; |
(3R,6R)-1,4-N,N-((S)-1-phenyleth-1-yl)-3,6-dimethylpiperazine-2,5-dione
D-Alanine
| Conditions | Yield |
|---|---|
| With hydrogen iodide for 1h; Heating; | 90% |
D-Alanine
| Conditions | Yield |
|---|---|
| With trimethylsilyl iodide In chloroform for 0.0833333h; | 88% |
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Molecular Structure:
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Molecular Formula: C3H7NO2
Molecular Weight: 89.0932
IUPAC Name: (2R)-2-Aminopropanoic acid
Synonyms of D-Alanine (CAS NO.338-69-2): Alanine D-form ; (R)-2-Aminopropionsaeure ; (R)-Alanine ; Alanine, D- ; Ba 2776 ; D-alpha-Aminopropionsaeure ; EINECS 206-418-1 ; NSC 158286
CAS NO: 338-69-2
Classification Code: Amino Acids Derivatives ; Amino ACIDS SERIES ; Amino Acids ; PROTECTED AMINO ACID & PEPTIDES ; Alanine [Ala, A] ; Amino Acids and Derivatives ; alpha-Amino Acids ; Biochemistry ; Amino Acids and Derivatives ; GABA/Glycine receptor ; alanine ; amino acid ; organic acids ; pharmaceutical intermediate
Melting Point: 291 °C
Index of Refraction: 1.459
Molar Refractivity: 21 cm3
Molar Volume: 76.7 cm3
Surface Tension: 45.8 dyne/cm
Density: 1.161 g/cm3
Flash Point: 82.6 °C
Enthalpy of Vaporization: 49.5 kJ/mol
Boiling Point: 212.9 °C at 760 mmHg
Vapour Pressure: 0.0661 mmHg at 25°C
D-Alanine (CAS NO.338-69-2) can be used for synthesis of new sweetener and materials of some chiral drugs' intermediates.
Hazard Codes of D-Alanine (CAS NO.338-69-2): 
Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 24/25-36-26
S24/25: Avoid contact with skin and eyes.
S36: Wear suitable protective clothing.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany: 3
HazardClass: IRRITANT
