DL-Leucine CAS 328-39-2 Assay ≥98.0% (Titration)

Short Description:

Chemical Name: DL-Leucine

Synonyms: H-DL-Leu-OH

CAS: 328-39-2

Assay: ≥98.0% (Titration)

Appearance: White Crystal or Crystalline Powder 

Contact: Dr. Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com


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328-39-2 - Description:

Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer of DL-Leucine (H-DL-Leu-OH) (CAS: 328-39-2) with high quality. Ruifu Chemical has been supplying amino acids and derivatives more than 15 years.
Ruifu Chemical can provide worldwide delivery, competitive price, excellent service.
Purchase DL-Leucine or other products, please contact us by e-mail: alvin@ruifuchem.com

328-39-2 - Chemical Properties:

Chemical Name DL-Leucine
Synonyms H-DL-Leu-OH; DL-Leu-OH; (±)-Leucine; (RS)-Leucine; DL-2-Aminmo-4-Methylvalerianic Acid, DL-2-Aminmo-4-Methylpentanoic Acid; (±)-2-Amino-4-Methylpentanoic Acid; (RS)-2-Amino-4-Methylpentanoic Acid
Stock Status In Stock, Commercial Production  
CAS Number 328-39-2
Molecular Formula C6H13NO2
Molecular Weight 131.18 g/mol
Melting Point 293.0-296.0℃(subl.) (lit.) 
Density 1.293 g/cm3 
Solubility in Dilute HCl  Almost Transparency 
Storage Temperature Store Long-Term at 2-8℃
Stability Stable. Incompatible with Strong Oxidizing Agents
COA & MSDS Available
Origin of Product    Shanghai, China
Product Categories
Amino Acid Derivatives 
Brand Ruifu Chemical

328-39-2 - Specifications:

Items Specifications  Results
Appearance White Crystal or Crystalline Powder White Crystalline Powder  
Loss on Drying ≤0.30% 0.10%
Residue on Ignition ≤0.20% 0.07%
Chloride (Cl) ≤0.02% <0.02%
Heavy Metals (Pb) ≤10ppm <10ppm 
Arsenic (As2O3) ≤2ppm <2ppm
Assay / Analysis Method ≥98.0% (Titration)  99.4%
1H NMR Spectrum Conforms to Structure   Conforms   
Conclusion The product has been tested and complies with the given specifications

328-39-2 - Package/Storage/Shipping:

Package: Bottle, Aluminium foil bag, 25kg/cardboard drum, or according to customer's requirement.
Storage Condition: Keep the container tightly closed. Store in a cool, dry (2-8℃) and well-ventilated warehouse away from incompatible substances. Keep away from sunshine; avoid fire and heat sources; avoid moisture.
Shipping: Deliver to worldwide by air, by FedEx / DHL Express. Provide fast and reliable delivery. 

328-39-2 - 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

328-39-2 - 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 AssuranceStrict 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.

SamplesMost products provide free samples for quality evaluation, shipping cost should be paid by customers.

Factory AuditFactory audit welcome. Please make an appointment in advance.

MOQ? No MOQ. Small order is acceptable.

Delivery Time? If within stock, three days delivery guaranteed.

TransportationBy Express (FedEx, DHL), by Air, by Sea.

Documents? After sales service: COA, MOA, ROS, MSDS, etc. can be provided.

Custom SynthesisCan provide custom synthesis services to best fit your research needs.

Payment TermsProforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T (Telex Transfer), PayPal, Western Union, etc. 

328-39-2 - Risk and Safety:

Hazard Symbols Xn - Harmful
Safety Description S22 - Do not breathe dust.
S24/25 - Avoid contact with skin and eyes.
S36 - Wear suitable protective clothing.
WGK Germany 3
TSCA Yes
HS Code 2922491990

328-39-2 - Scientific Research Applications:

DL-Leucine (H-DL-Leu-OH) (CAS: 328-39-2) is a racemic mixture of the D- and L- enantiomers of Leucine.
DL-Leucine is used as a nutritional agent in medicine, used as flavoring agent, used in biochemical research and preparation of tissue medium. DL-Leucine may be used for the evaluation of chiral amino acid separation techniques. It is an important building block of proteins and is involved in many biochemical and physiological processes. DL-Leucine is also used in the food industry as a flavor enhancer and in the pharmaceutical industry as an excipient in drug formulations. DL-Leucine could be used to develop new drugs and treatments for a variety of diseases and disorders. 

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