Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer and supplier of L-(-)-Tyrosine (H-Tyr-OH; Tyr or Y) (CAS: 60-18-4) with high quality. Ruifu Chemical supplys a series of amino acids derivatives. We can provide COA, worldwide delivery, small and bulk quantities available. If you are interested in L-(-)-Tyrosine, Please contact: alvin@ruifuchem.com
| Chemical Name |
L-(-)-Tyrosine |
| Synonyms |
H-Tyr-OH; L-Tyrosine; Tyr; (S)-2-Amino-3-(4-Hydroxyphenyl)propionic acid; 3-(4-Hydroxyphenyl)-L-Alanine; p-Tyrosine; Tyrosine; |
| Stock Status |
In Stock, Production Capacity 2000 Tons per Year |
| CAS Number |
60-18-4 |
| Molecular Formula |
C9H11NO3 |
| Molecular Weight |
181.19 |
| Melting Point |
>300℃(dec.) (lit.) |
| Flash Point |
176℃ |
| Density |
1.34 |
| Sensitive |
Sensitive to Light |
| Water Solubility |
Insoluble in Water, 0.5 g/l 25℃ |
| Solubility |
Soluble in Hydrochloric Acid. Solubility in 1mol/L HCl Almost Transparency |
| Solubility |
Insoluble in Ethanol and Ether, Alcohol, Acetone |
| Stability |
Stable. Incompatible with Strong Oxidizing Agents, Strong Reducing Agents |
| Storage Temp. |
Sealed in Dry, Store at Room Temperature |
| COA & MSDS |
Available |
| Brand |
Ruifu Chemical |
| Hazard Codes |
Xi |
RTECS |
YP2275600 |
| Risk Statements |
36/37/38-40 |
TSCA |
Yes |
| Safety Statements |
26-36-37/39-22 |
HS Code |
2922509099 |
| WGK Germany |
3 |
|
|
Items
|
Inspection Standards
|
Results
|
|
Appearance
|
White Crystals or Crystalline Powder
|
Conforms
|
| Odor |
Tasteless
|
Conforms |
|
Identification
|
Infrared Absorption
|
Conforms
|
|
Specific Rotation
|
-9.8° to -11.2°(C=4, H2O)
|
-11.0°
|
|
Transmittance
|
≥98.0% |
98.5%
|
|
Heavy Metal (as Pb)
|
≤10ppm
|
Conforms
|
|
Loss on Drying
|
≤0.20%
|
0.16%
|
|
Residue on Ignition
|
≤0.20%
|
0.04%
|
|
Chloride (Cl)
|
≤0.04%
|
＜0.04%
|
|
Ammonium (NH4)
|
≤0.02%
|
<0.02%
|
|
Sulfate (SO4)
|
≤0.02%
|
≤0.02%
|
|
Iron (Fe)
|
≤10ppm
|
Conforms
|
|
Arsenic (AS2O3)
|
≤1.0ppm
|
Conforms
|
|
Other Amino Acids
|
Chromatographically Not Detectable
|
Conforms
|
|
Assay (HPLC)
|
99.0%-101.0%
|
99.65%
|
|
pH
|
5.0～6.5
|
5.6
|
|
Origin
|
From Non-Animal Source
|
Conforms
|
|
Organic Volatile Impurities
|
Meet the Specification
|
Conforms
|
|
Test Standard
|
AJI-97; USP37
|
Conforms |
|
Shelf Life
|
36 Months From Manufacture Date if Stored Properly
|
|
Main Usage
|
Amino Acids; Food Additives; Pharmaceutical Intermediates
|
Package: Fluorinated Bottle, Aluminum foil bag, 25kg/Cardboard Drum, or according to customer's requirement.
Storage Condition: Store in sealed containers at cool, dry and ventilated warehouse away from incompatible substances. Protect from light and moisture.
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.
L-(-)-Tyrosine (H-Tyr-OH) (CAS: 60-18-4) is one of the 22 proteinogenic amino acids that are used by cells to synthesize proteins. L-Tyrosine is an important nutrient essential amino acid, which plays an important role in the metabolism, growth and development of humans and animals, and is widely used in food, feed, health care products and chemical industries. 1. Food Additives. aWidely used in agricultural scientific research, but also as a beverage additive and preparation of artificial insect feed, etc. 2. L-Tyrosine is an important biochemical reagent and the main raw material for the synthesis of polypeptide hormones, antibiotics, l-dopa and other drugs. It is a precursor to epinephrine, norepinephrine and dopamine, three important neurotransmitters.; 3. L-Tyrosine can be used in pharmaceutical interdediates, biochemical study, life sciences, agricultural research, beverage additive and feed stuff, etc; 4. L-Tyrosine helps to calm the body, increase energy and enhance libido; 5. Tyrosine protects the skin from harmful UV light rays; 5. Medicine for hyperthyroidism. Tyrosine boosts one's mood, concentration, learning, and memory. 6. It is used in suntan accelerators and in skin-bronzing cosmetics to accelerate the tanning process. 7. Also available as modulation for rhe eldee, children's food and nutrition agents of plant leaves. 8. L-Tyrosine food spices for food flavor preparation should not exceed the maximum allowable amount and the maximum allowable residues of each perfume ingredient in the GB 2760. 9. Amino acid drugs. Amino acid infusion and amino acid compound preparation of raw materials, as nutritional supplements. Treatment of poliomyelitis and sex nuclear encephalitis, hyperthyroidism and other diseases. It is also used as a raw material for the manufacture of diiodotyrosine, dibromotyrosine and L-dopa.