(2R,3S)-2-Amino-3-hydroxybutyric acid
D-Threonine
CAS: 632-20-2
Molecular Formula: C4H9NO3
(2R,3S)-2-Amino-3-hydroxybutyric acid - Names and Identifiers
| Name | D-Threonine |
| Synonyms | H-D-Thr-OH H-D-THR-OH D-Threonine (2R,3S)-(+)-Threonine D-β-Hydroxy-2-aMinobutyric acid D-2-AMINO-3-HYDROXYBUTYRIC ACID D-2-AMINO-3-HYDROXYBUTANOIC ACID (2R,3S)-2-Amino-3-hydroxybutyric acid D-ALPHA-AMINO-BETA-HYDROXYBUTYRIC ACID D-Threonine (D-2-AMino-3-hydroxybutanoic acid) D-Threonine,(2R,3S)-2-Amino-3-hydroxybutyric acid, D-α-Amino-β-hydroxybutyric acid |
| CAS | 632-20-2 |
| EINECS | 211-171-8 |
| InChI | InChI=1/C8H16N2O6/c1-3(11)5(6(13)14)10-8(9,4(2)12)7(15)16/h3-5,10-12H,9H2,1-2H3,(H,13,14)(H,15,16)/t3?,4-,5?,8+/m0/s1 |
| InChIKey | AYFVYJQAPQTCCC-STHAYSLISA-N |
(2R,3S)-2-Amino-3-hydroxybutyric acid - Physico-chemical Properties
| Molecular Formula | C4H9NO3 |
| Molar Mass | 119.12 |
| Density | 1.3126 (rough estimate) |
| Melting Point | 274 °C |
| Boling Point | 222.38°C (rough estimate) |
| Specific Rotation(α) | 28 º (c=6, water) |
| Water Solubility | soluble |
| Solubility | Soluble in water (50 mg/ml). |
| Appearance | Colorless crystal |
| Color | White |
| Merck | 9380 |
| BRN | 1721643 |
| pKa | 2.19±0.10(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Refractive Index | 28 ° (C=3, H2O) |
| MDL | MFCD00064269 |
| Physical and Chemical Properties | melting point 274°C specific optical rotation 28 ° (c = 6, water) water-soluble solution |
(2R,3S)-2-Amino-3-hydroxybutyric acid - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S24/25 - Avoid contact with skin and eyes. S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| RTECS | XO8580000 |
| HS Code | 29225000 |
(2R,3S)-2-Amino-3-hydroxybutyric acid - Reference
| Reference Show more | 1. Wang Jian, Sun Yu, Chen Lili, Han Zhenzhen, Sun proficient. Evaluation of different metabolites in processed products of Polygonum multiflorum Thunb based on ~ 1H-NMR metabolomics [J]. Modern medicine and clinic, 2020,35(08):1537-1543. |
(2R,3S)-2-Amino-3-hydroxybutyric acid - Introduction
Soluble in water.
Last Update：2022-10-16 17:27:31
(2R,3S)-2-Amino-3-hydroxybutyric acid - Reference Information
| biological activity | D-Threonine (H-D-Thr-OH) is the enantiomer of L-threonine. D-Threonine is a metabolite of Saccharomyces cerevisiae. |
| Use | for biochemical studies. |
| production method | DL-threonine is used as the raw material to react with Chloroacetyl Chloride under alkaline conditions, after concentration under reduced pressure, the product was extracted with acetone and finally resolved by acylase I. |
Last Update：2024-04-09 21:54:55
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