marque: Rinaschimique
Classe: Grade de médecine, Grade de réactif
| Unités de vente: | Kilogram |
| Type de colis: | Exporter le package standard |
Introduction:
|
D-(-)-Asparagine monohydrate Usage And Synthesis |
|
|
Chemical Properties |
crystalline powder |
|
Uses |
D-Asparagine is an isomer of L-Asparagine (A790005) and is used by bacteria (such as Saccharomyces cerevisiae) as a sole nitrogen source for replication. L-Asparagine is also a competitive inhibitor of staphylococcal L-asparaginase and is used as a reagent to synthesize peptide antibiotics. |
Caractéristiques:
|
Melting point |
280 °C (dec.) (lit.) |
|
alpha |
-35 º (c=5, 5M HCl) |
|
Boiling point |
438.0±40.0 °C(Predicted) |
|
density |
1.404±0.06 g/cm3(Predicted) |
|
storage temp. |
Store at 0-5°C |
|
solubility |
Aqueous Acid (Sparingly), Water (Slightly, Sonicated) |
|
form |
Solid |
|
pka |
2.17(at 20℃) |
|
color |
White to Off-White |
|
optical activity |
[α]20/D 35°, c = 5 in 5 M HCl |
|
Merck |
13,842 |
|
BRN |
1723526 |
|
Stability: |
Hygroscopic |
|
InChIKey |
DCXYFEDJOCDNAF-UWTATZPHSA-N |
|
LogP |
-1.880 (est) |
|
1. Company History and Background: o Ronas Chemical Ind.c Co., Ltd. was established in 1980 and is a chemical manufacturer and supplier based in China. o The company initially focused on producing Ammonium Persulfate, Potassium Persulfate, Sodium Persulfate, Ammonium Perchlorate, and Potassium Perchlorate. 2. Product Range: o The company offers a wide range of products, including Ingredients for DNA or DHA, Amino Acids and their derivatives, Pharmaceutical Intermediates, Boc-protected amino acids, Heterocyclic Compounds, Small Molecule Peptides, Cosmetic Ingredients, and more. o Specific products include Ammonium Persulfate, Amino Acid Esters, Sodium Persulfate, Cosmetic Peptides, Fmoc-protected amino acids, etc. 3. Expertise and Advantages: o Ronas Chemical has extensive experience in foreign trade procurement, offering a complete range of products to meet various customer needs. o The company is committed to providing high-quality products and excellent services, earning a good reputation in the chemical industry. 4. Contact Information: o If you have any needs or questions, please feel free to contact us at any time. |
Détails d'emballage: Exporter le package standard
transport: Ocean,Air
Lieu d'origine: Chine
Soutenir: AS MUCH AS WE CAN
Hafen: Shanghai
Type de paiement: L/C,T/T,D/P,D/A
Incoterm: FOB,CFR,CIF
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