D-(-)-Asparagine Monohydrate CAS 2058-58-4 H-D-Asn-OH·H2O Assay 99.0~101.0% (Titration)
Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer of D-(-)-Asparagine Monohydrate (H-D-Asn-OH·H2O) (CAS: 2058-58-4) with high quality. Ruifu Chemical supplys a series of amino acids and derivatives. We can provide worldwide delivery, competitive price, small and bulk quantities available. Purchase H-D-Asn-OH·H2O, Please contact: alvin@ruifuchem.com
| Chemical Name | D-(-)-Asparagine Monohydrate |
| Synonyms | H-D-Asn-OH·H2O; D-Asn-OH·H2O; D-Asparagine Monohydrate; D-Asparagine Hydrate; (R)-2-Aminosuccinamic Acid Monohydrate; (R)-2-Aminosuccinic Acid 4-Amide Monohydrate; D-Aspartic Acid 4-Amide Monohydrate |
| Stock Status | In Stock |
| CAS Number | 2058-58-4 |
| Molecular Formula | C4H8N2O3.H2O |
| Molecular Weight | 150.13 g/mol |
| Melting Point | 280℃(dec.) |
| Density | 1.404±0.06 g/cm3 |
| Storage Temp. | Cool & Dry Place (2~8℃) |
| COA & MSDS | Available |
| Category | Amino Acids and Derivatives |
| Brand | Ruifu Chemical |
| Items | Inspection Standards | Results |
| Appearance | White Crystal or Crystalline Powder | White Crystal |
| Specific Rotation [α]20/D | -34.2° to -36.5° (C=5, 5N HCl) |
-34.8° |
| Chloride (Cl) | ≤0.020% | <0.020% |
| Sulfate (SO4) | ≤0.020% | <0.020% |
| Ammonium (NH4) | ≤0.100% | <0.020% |
| Iron (Fe) | ≤10ppm | <10ppm |
| Heavy Metals (Pb) | ≤10ppm | <10ppm |
| Arsenic (As2O3) | ≤1ppm | <1ppm |
| Other Amino Acids | Chromatographically Not Detectable | Complies |
| Loss on Drying | 11.50~12.50% | 11.8% |
| Residue on Ignition | <0.10% | 0.08% |
| Assay / Analysis Method | 99.0%~101.0% (Titration) | 99.5% |
| pH | 4.4~6.4 | 4.9 |
| Mass Spectrum | In Accordance With the Standard | Complies |
| NMR Spectrum | In Accordance With the Standard | Complies |
| Conclusion | The product has been tested & complies with the AJI-92 Standard | |
Package: Fluorinated Bottle, Aluminium foil bag, 25kg/Cardboard Drum, or according to customer's requirement.
Storage Condition: Store in sealed containers at cool and dry (2~8℃) warehouse away from incompatible substances. Protect from light and moisture.
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.
Hazard Symbols Xn - Harmful
Risk Codes R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed.
R36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 - Wear suitable protective clothing.
WGK Germany 1
HS Code 2922491990
D-(-)-Asparagine Monohydrate (H-D-Asn-OH·H2O) (CAS: 2058-58-4) is an optically active form of asparagine having D-configuration. Amino acids and derivatives, used in peptide synthesis, used as an organic synthesis intermediate, pharmaceutical intermediate, biochemical reagent or chemical reagent.
