H-Tyr-OtBu CAS 16874-12-7 L-Tyrosine tert-Butyl Ester Purity >99.0% (HPLC) Factory

Short Description:

Chemical Name: L-Tyrosine tert-Butyl Ester

Synonyms: H-Tyr-OtBu

CAS: 16874-12-7

Purity: >99.0% (HPLC)

Appearance: White to Off-White Powder

Amino Acids Derivatives, High Quality

Contact: Dr. Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com

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Product Detail

Product Tags

Description:

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

Chemical Properties:

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

Safety Information:

Safety Statements	S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes.
WGK Germany	3	HS Code	2922491990

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

Package & Storage:

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.

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

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 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.

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.