Fmoc-Tyr(tBu)-OH CAS 71989-38-3 Purity >99.0% (HPLC) Factory

Short Description:

Chemical Name: Fmoc-O-tert-Butyl-L-Tyrosine

Synonyms: Fmoc-Tyr(tBu)-OH

CAS: 71989-38-3

Purity: >99.0% (HPLC)

Appearance: White Powder

Fmoc-Amino Acids, 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 Fmoc-O-tert-Butyl-L-Tyrosine (Fmoc-Tyr(tBu)-OH) (CAS: 71989-38-3) with high quality. Ruifu Chemical supplys a series of amino acids. We can provide worldwide delivery, competitive price, small and bulk quantities available. Purchase Fmoc-Tyr(tBu)-OH, Please contact: alvin@ruifuchem.com

Chemical Properties:

Chemical Name	Fmoc-O-tert-Butyl-L-Tyrosine
Synonyms	Fmoc-Tyr(tBu)-OH; Fmoc-L-Tyr(tBu)-OH; Nα-Fmoc-O-tert-Butyl-L-Tyrosine; O-tert-Butyl-Nα-Fmoc-L-Tyrosine; O-tert-Butyl-Nalpha-Fmoc-L-Tyrosine; N-(9-Fluorenylmethoxycarbonyl)-O-tert-Butyl-L-Tyrosine; Nα-[(9H-Fluoren-9-ylmethoxy)carbonyl]-O-tert-Butyl-L-Tyrosine; N-Fmoc-t-Butyl-L-Tyr
Stock Status	In Stock, Production Capacity to Tons per Month
CAS Number	71989-38-3
Molecular Formula	C28H29NO5
Molecular Weight	459.54 g/mol
Melting Point	146.0~154.0℃
Density	1.218±0.06 g/cm3
Solubility	Soluble in Dimethylformamide
Storage Temp.	Cool & Dry Place (2~8℃)
COA & MSDS	Available
Category	Fmoc-Amino Acids
Brand	Ruifu Chemical

Specifications:

Items	Inspection Standards	Results
Appearance	White Powder	White Powder
Specific Rotation [α]20/D	-28.5°±2.5° (C=1 in DMF)	-28.3°
Melting Point	146.0~154.0℃	148.5~148.8℃
TLC	≥98.0%	>98.0%
Element Analysis(C、H、N)	≤5.0%	<5.0%
Kaiser Test	<0.05%	<0.05%
Water by Karl Fischer	<1.00%	0.18%
Loss on Drying	<1.00% (70℃, ,2h)	0.27%
Fmoc-β-Ala-OH	<0.50%	Complies
Optical Purity	<0.20% D-Enantiomer	Not Detectable
Clarity of Solution	0.3 gram in 2ml DMF Clear Solution	Complies
Purity / Analysis Method	>99.0% (HPLC)	99.69%
Infrared Spectrum	Conforms to Structure	Complies
Conclusion	The product has been tested & complies with the given specifications

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 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.

63-91-2 - 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.
S24/25 - Avoid contact with skin and eyes.
WGK Germany 3
HS Code 2922491990

Application:

Fmoc-O-tert-Butyl-L-Tyrosine (Fmoc-Tyr(tBu)-OH) (CAS: 71989-38-3), is a tyrosine derivative, Fmoc-amino acids, used as amino acid protecting monomer, used in peptide synthesis, used as an organic synthesis intermediate, pharmaceutical intermediate, biochemical reagent or chemical reagent. Fmoc-Tyr(tBu)-OH, insoluble in water and petroleum ether, soluble in ethyl acetate, methanol and DMF.
Production method O-tert-Butyl-L-Tyrosine is suspended in dioxane solution, the crude product is obtained by acylation reaction with fluorenylmethoxycarbonyl azide, which is extracted with ethyl acetate at pH 9-10 and purified by recrystallization.