Chemical Properties:
Package: Fluorinated Bottle, Aluminium foil bag, 25kg/Cardboard Drum, or according to customer's requirement. Storage Condition: Store in sealed containers at cool, dry (≤25℃) and ventilated warehouse away from incompatible substances. Protect from light and moisture.Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer of D-(+)-Threonine (H-D-Thr-OH) (CAS: 632-20-2) with high quality. Ruifu Chemical supplys a series of amino acids and derivatives. We can provide worldwide delivery, small and bulk quantities available. Purchase D-(+)-Threonine, Please contact: alvin@ruifuchem.comDescription:
Package & Storage:
| Chemical Name | D-(+)-Threonine |
| Synonyms | H-D-Thr-OH; D-Threonine; D-2-Amino-3-Hydroxybutanoic Acid; (2R,3S)-2-Amino-3-Hydroxybutyric Acid; D-α-Amino-β-Hydroxybutyric Acid |
| Stock Status | In Stock, Production Capacity 50 Tons per Month |
| CAS Number | 632-20-2 |
| Molecular Formula | C4H9NO3 |
| Molecular Weight | 119.12 g/mol |
| Melting Point | 274℃ |
| Density | 1.307 |
| Water Solubility | Soluble in Water (50 mg/ml) |
| Solubility in H2O | Colorless, Clear, 50 mg/ml H2O Pass |
| Storage Temp. | Cool & Dry Place (≤25℃) |
| COA & MSDS | Available |
| Category | Amino Acids Derivatives |
| Brand | Ruifu Chemical |
Advantages:
How to Purchase? Please contact Dr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com 15 Years Experience? We have more than 15 years of experience in the manufacture and export of a wide range of high quality pharmaceutical intermediates or fine chemicals. Main Markets? Sell to domestic market, North America, Europe, India, Korea, Japanese, Australia, etc. Advantages? Superior quality, affordable price, professional services and technical support, fast delivery. Quality Assurance? Strict quality control system. Professional equipment for analysis include NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, K.F, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc. Samples? Most products provide free samples for quality evaluation, shipping cost should be paid by customers. Factory Audit? Factory audit welcome. Please make an appointment in advance. MOQ? No MOQ. Small order is acceptable. Delivery Time? If within stock, three days delivery guaranteed. Transportation? By Express (FedEx, DHL), by Air, by Sea. Documents? After sales service: COA, MOA, ROS, MSDS, etc. can be provided. Custom Synthesis? Can provide custom synthesis services to best fit your research needs. Payment Terms? Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T (Telex Transfer), PayPal, Western Union, etc.FAQ:
Stable Supply: Maintain reasonable stock
Professional Service: One stop purchasing service
Technical Support: Technology solution available
Custom Synthesis Service: Ranged from grams to kilos
Fast Delivery: If within stock, three days delivery guaranteed
High Quality: Established a complete quality assurance system
Sufficient Capacity: Sufficient facilities and technicians
OEM Package: Custom package and label available
Specifications:
| Items | Inspection Standards | Results |
| Appearance | White Crystalline Powder | Complies |
| Specific Rotation [α]20/D | +27.0° to +29.0° (C=6, H2O) | +27.8° |
| Transmittance | ≥98.0% (430nm, 0.5g, 10ml 2N HCl) | 99.1% |
| Chloride (Cl) | ≤0.05% | <0.05% |
| Ammonium (NH4+) | ≤0.02% | <0.02% |
| Iron (Fe) | ≤30ppm | <30ppm |
| Heavy Metals (Pb) | ≤10ppm | <10ppm |
| Arsenic (As2O3) | ≤1ppm | <1ppm |
| Other Amino Acids | Chromatographically Not Detectable | Not Detectable |
| Loss on Drying | <0.20% | 0.08% |
| Residue on Ignition | <0.10% | 0.06% |
| Allo-Threonine | ≤0.30% (HPLC) | 0.13% |
| Assay | 98.5%~101.5% (Titration) | 99.8% |
| Non-Animal Origin | Conforms | Conforms |
| Infrared Spectrum | Conforms to Structure | Complies |
| Conclusion | This Product by Inspection Accords with the Enterprise Standard | |
632-20-2 - Risk and Safety:
Application:
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 2922491990D-(+)-Threonine (H-D-Thr-OH) (CAS: 632-20-2) is the D-form of Threonine, which is a kind of amino acids. It can be used for the preparation of enantiomerically pure 1,3-butanediol. It is also used as the intermediate during the preparation of chiral compounds such as antibiotics. D-Threonine is an effective chiral pool reagent which contains an extra stereo-center. For example, people has recently used it as the starting material for total synthesis of protected legionaminic acid. D-Threonine is the unnatural isomer of L-Threonine and is known to inhibit growth and cell wall synthesis of Mycobacterium smegmatis. D-Threonine is also used as a synthetic intermediate for the production of chiral antibiotics. 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.