D-(-)-Asparagine Monohydrate CAS 2058-58-4 H-D-Asn-OH·H2O Assay 99.0~101.0% (Titration)

Short Description:

Chemical Name: D-(-)-Asparagine Monohydrate

Synonyms: H-D-Asn-OH·H2O

CAS: 2058-58-4

Assay: 99.0%~101.0% (Titration)

Appearance: White Crystal or Crystalline Powder

Amino Acids and Derivatives, High Quality

Contact: Dr. Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com

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Product Detail

Product Tags

Description:

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 Properties:

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

Specifications:

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 & Storage:

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.

Advantages:

Sufficient Capacity: Sufficient facilities and technicians

Professional Service: One stop purchasing service

OEM Package: Custom package and label available

Fast Delivery: If within stock, three days delivery guaranteed

Stable Supply: Maintain reasonable stock

Technical Support: Technology solution available

Custom Synthesis Service: Ranged from grams to kilos

High Quality: Established a complete quality assurance system

FAQ:

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.

2058-58-4 - Risk and Safety:

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

Application:

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.