DL-Tyrosine CAS 556-03-6 Assay 98.0-101.0% (Titration)

Short Description:

Chemical Name: DL-Tyrosine

Synonyms: H-DL-Tyr-OH 

CAS: 556-03-6

Assay: 98.0-101.0% (Titration)

Appearance: White to Off-White Powder

Contact: Dr. Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com


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556-03-6 - Description:

Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer of DL-Tyrosine (H-DL-Tyr-OH) (CAS: 556-03-6) 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-Tyrosine or other products, please contact us by e-mail: alvin@ruifuchem.com

556-03-6 - Chemical Properties:

Chemical Name DL-Tyrosine
Synonyms H-DL-Tyr-OH; DL-Tyr-OH; (±)-2-Amino-3-(4-hydroxyphenyl)propionic acid; 3-(4-Hydroxyphenyl)-DL-Alanine; (RS)-3-(4-Hydroxyphenyl)alanine
Stock Status In Stock, Commercial Production  
CAS Number 556-03-6
Molecular Formula C9H11NO3
Molecular Weight 181.19 g/mol
Melting Point ≥300℃(lit.)  
Water Solubility  Soluble in Water 
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 Acids and Derivatives 
Brand Ruifu Chemical

556-03-6 - Specifications:

Items Specifications  Results
Appearance White to Off-White Powder  White Powder       
Transmittance ≥95.0% Conforms 
Loss on Drying ≤0.30% 0.19%
Residue on Ignition ≤0.20% 0.15%
Chloride (Cl) ≤0.10% <0.10%
Heavy Metals (Pb) ≤10ppm <10ppm 
Arsenic (As2O3) ≤2ppm <2ppm 
Assay / Analysis Method 98.0-101.0% (Titration)  99.29%
MS Spectrum In Accordance with the Standard    Conforms   
NMR Spectrum In Accordance with the Standard    Conforms   
Conclusion The product has been tested and complies with the given specifications

556-03-6 - Package/Storage/Shipping:

Package: Fluorinated 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. Keep away from sunshine; avoid fire and heat sources; avoid moisture. Store away from strong oxidizing agents.
Shipping: Deliver to worldwide by air, by FedEx / DHL Express. Provide fast and reliable delivery. 

556-03-6 - 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

556-03-6 - 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. 

556-03-6 - Risk and Safety:

Hazard Symbols Xi - Irritant
Risk Codes 36/37/38 - 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 3
TSCA Yes
HS Code 2922491990

556-03-6 - Application:

DL-Tyrosine (H-DL-Tyr-OH) (CAS: 556-03-6) is used as an intermediate in the synthesis of other amino acids, also used in the peptide synthesis chemistry, pharmaceutical development and drug discovery research.

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