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
| 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 |
| 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 | |
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.
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 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
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.