Chemical Properties:
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 fire, heating sources, light and moisture.Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer of L-Tyrosine tert-Butyl Ester (H-Tyr-OtBu) (CAS: 16874-12-7) with high quality. Ruifu Chemical supplys amino acids and derivatives. We can provide worldwide delivery, small and bulk quantities available. Purchase H-Tyr-OtBu, Please contact: alvin@ruifuchem.com| Safety Statements | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. | ||
| WGK Germany | 3 | HS Code | 2922491990 |
Description:
Safety Information:
Package & Storage:
| Chemical Name | L-Tyrosine tert-Butyl Ester |
| Synonyms | H-Tyr-OtBu; H-L-Tyr-OtBu; Tyr-OtBu; tert-Butyl L-Tyrosinate; (S)-2-Amino-3-(4-Hydroxyphenyl)propionic Acid tert-Butyl Ester |
| Stock Status | In Stock |
| CAS Number | 16874-12-7 |
| Molecular Formula | C13H19NO3 |
| Molecular Weight | 237.30 g/mol |
| Melting Point | 140.0~145.0℃ |
| Density | 1.125±0.06 g/cm3 |
| Sensitive | Air Sensitive |
| Solubility | Soluble in Methanol |
| Storage Temp. | Cool & Dry Place (2~8℃) |
| COA & MSDS | Available |
| Category | Amino Acids Derivatives |
| Brand | Ruifu Chemical |
Advantages:
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.FAQ:
Stable Supply: Maintain reasonable stock
Professional Service: One stop purchasing service
Technical Support: Technology solution available
Custom Synthesis Service: Ranged from grams to kilos
Fast Delivery: If within stock, three days delivery guaranteed
High Quality: Established a complete quality assurance system
Sufficient Capacity: Sufficient facilities and technicians
OEM Package: Custom package and label available
Specifications:
| Items | Inspection Standards | Results |
| Appearance | White to Off-White Powder | White Powder |
| Specific Rotation [α]20/D | +26.0° ± 2.0° (1% in EtOH) | +25.3° |
| Melting Point | 140.0~145.0℃ | 141.8~143.8℃ |
| Residue on Ignition | <0.20% | 0.12% |
| Heavy Metals (Pb) | ≤10ppm | <10ppm |
| H-Tyr-OtBu Purity | >99.0% (HPLC) | 99.4% |
| D-Isomer | <0.50% | Complies |
| H-Tyr-OH | <0.50% | Complies |
| Infrared Spectrum | Conforms to Structure | Complies |
| NMR Spectrum | Conforms to Structure | Complies |
| Conclusion | This Product by Inspection Accords with the Enterprise Standard | |
Application:
L-Tyrosine tert-Butyl Ester (H-Tyr-OtBu) (CAS: 16874-12-7), is a tyrosine derivative. Amino acids derivatives, used in peptide synthesis, organic synthesis intermediates, pharmaceutical intermediates, biochemical reagents, chemical reagents. L-Tyrosine tert-Butyl Ester is a protected form of L-Tyrosine. L-Tyrosine is an essential amino acid that exhibits in vitro antioxidant and antiradical activities. L-Tyrosine is used as a precursor to synthesize catecholamines (e.g. Norepinephrine HCl) in human keratinocytes, and also for the synthesis of proteins and thyroid hormones.