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Fmoc-L-Tyr(tBu)-OH 99%

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CAS No.:

71989-38-3

Grade:

Pharmaceutical Grade

Content:

99%

Port:

shanghai

Packaging:

25KG/Barrel

Price valid (until):

2021-11-10

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Sichuan Hengkang

Company Type:

Distributor

Location:

China

Qualification:

Main Products:

(S)-1-Boc-3-hydroxypiperidine,L-serine benzyl ester hydrochloride,(R)-1-Boc-3-hydroxymethylpiperazine,(R)-(+)-2-Tetrahydrofuroic acid

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Product Description
Seller Information
Inquiry History

Description

Fmoc-L-Tyr(tBu)-OH CAS: 71989-38-3

Molecular Formula: C28H29NO5

Molecular Weight: 459.534

Names and Identifiers

Name	fmoc-O-tert-butyl-L-tyrosine
Synonyms	N-(9-Fluorenyl Methoxy Carbonyl)-O-Tertbutyl-L-Tyrosine N-fmoc-O-T-butyl-L-tyrosine FMOC-Tyr(tBu)-OH Fmoc-Tyr(But)-OH N-alpha-(9-fluorenylmethyloxycarbonyl)-O-t-butyl-L-tyrosine O-tert-butyl-N-[(9H-fluoren-9-ylmethoxy)carbonyl]tyrosine Fmoc-O-tert.butyl-L-tyrosine Fmoc-Tyr(OtBu)-OH
CAS	71989-38-3
EINECS	276-262-7
InChI	InChI=1/C28H29NO5/c1-28(2,3)34-19-14-12-18(13-15-19)16-25(26(30)31)29-27(32)33-17-24-22-10-6-4-8-20(22)21-9-5-7-11-23(21)24/h4-15,24-25H,16-17H2,1-3H3,(H,29,32)(H,30,31)

Physico-chemical Properties

Molecular Formula	C28H29NO5
Molar Mass	459.534 g/mol
Density	1.218g/cm3
Melting Point	153-156℃
Boling Point	658.2°C at 760 mmHg
Flash Point	351.9°C
Vapor Presure	3.2E-18mmHg at 25°C
Refractive Index	1.599

Certificates

Basic Info

Product Name:

Fmoc-L-Tyr(tBu)-OH

Other Name:

L-Tyrosine,O-(1,1-dimethylethyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-;O-(1,1-Dimethylethyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-tyrosine;NSC 334301;(S)-3-(4-tert-Butoxyphenyl)-2-[[[(9H-fluoren-9-yl)methoxy]carbonyl]amino]propionic acid;Fmoc-L-Tyr(tBu)-OH;(2S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-[4-[(2-methylpropan-2-yl)oxy]phenyl]propanoic acid;(2S)-3-[4-(tert-Butoxy)phenyl]-2-([[(9H-fluoren-9-yl)methoxy]carbonyl]amino)propanoic acid;123105-95-3;487011-61-0;504424-88-8;204384-67-8

CAS No.:

71989-38-3

Molecular Formula:

C28H29NO5

InChIKeys:

InChIKey=JAUKCFULLJFBFN-VWLOTQADSA-N

Molecular Weight:

459.53

Exact Mass:

459.53

EC Number:

276-262-7

NSC Number:

334301

HScode:

29242970

Categories:

Carboxylic Acids and Derivatives

Characteristics

PSA:

84.9

XLogP3:

5.6

Appearance:

White Powder

Density:

1.2±0.1 g/cm3

Melting Point:

150-152 °C

Boiling Point:

658.2°C at 760 mmHg

Flash Point:

351.9±31.5 °C

Refractive Index:

1.600

Storage Conditions:

2-8°C

Specific rotation:

-28 º (c=1, DMF)

See More Fmoc-L-Tyr(tBu)-OH Properties 

Hazard Identification

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	No symbol.
Signal word	No signal word
Hazard statement(s)	none
Prevention	none
Response	none
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More Fmoc-L-Tyr(tBu)-OH Safety Data Sheet 

Seller Information

Business Type:
Distributor

Main Products:
(S)-1-Boc-3-hydroxypiperidine,L-serine benzyl ester hydrochloride,(R)-1-Boc-3-hydroxymethylpiperazine,(R)-(+)-2-Tetrahydrofuroic acid

Location:
No.90, group 17,miaole village, shou'an street, pujiang County, Chengdu, Sichuan.

Payment Terms:
TT against copy of documents,D/P,D/A

Average lead Time:
30

Total Annual Revenue:
$5 million-$10 million

Total Employees:
51-100

Year of Establishment:
2004

Sichuan Hengkang Technology Development Co., Ltd. located in Chengdu of China, offers advanced drug intermediates and bulk fine chemicals for pharmaceutical development and manufacture. Chiral chemistry is our best advantage. Our products including protected amino acid, pyrrolidine derivatives, piperidine derivatives, nature products, drug intermediates and chiral intermediates.
Sichuan Hengkang Technology Development Co., Ltd. has powerful research ability-------four Doctors and ten Masters specialized in organic chemistry, pharmaceutical chemistry, synthesis chemistry and chiral chemistry, and having advanced detecting apparatus, such as NMR, MS, HPLC etc.. JBtech offers your company best serves in pharmaceutical development and manufacture.

Inquiry History

4 Inquiries

Country	Product	Purchase Quantity	Date Posted
India	Fmoc-O-tert-butyl-L-tyrosine	5 KG	Feb 26, 2026
India	Fmoc-tButyl-Tyrosine	3.00 TON	Nov 6, 2023
India	Fmoc-Lys(palmitoyl-Glu-OtBu)-OH	0.07 KG	Feb 25, 2026
India	Fmoc-Gln(Trt)-Thr(ψMe,Mepro)-OH	0.652 KG	May 13, 2026

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