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H-Tyr(Tos)-OH, also known as O-Tosyl-L-tyrosine or Tyrosine O-sulfonic Acid, is a chemical compound widely used in the field of peptide synthesis. It is often utilized as an intermediate for pharmaceuticals and other bio-chemicals. H-Tyr(Tos)-OH has a molecular formula of C16H19NO6S and is soluble in water. The 'Tos' in H-Tyr(Tos)-OH refers to the tosyl group (CH3C6H4SO2), which acts as a protecting group for the tyrosine amino acid during peptide synthesis. The 'OH' depicts the presence of a hydroxyl group in the compound. It is usually kept at -20°C storage temperature. H-Tyr(Tos)-OH should be handled carefully as it may cause skin and eye irritation.

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  • 159505-46-1 Structure
  • Basic information

    1. Product Name: H-Tyr(Tos)-OH
    2. Synonyms: (S)-2-amino-3-(4-(tosyloxy)phenyl)propanoic acid;H-L-Tyr(Tos)-OH;REF DUPL: H-L-Tyr(Tos)-OH;2,3-Dimethyl-5-phenylbenzoxazolium methyl sulfate
    3. CAS NO:159505-46-1
    4. Molecular Formula: C16H17NO5S
    5. Molecular Weight: 335.378
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 159505-46-1.mol
  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: /
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: H-Tyr(Tos)-OH(CAS DataBase Reference)
    10. NIST Chemistry Reference: H-Tyr(Tos)-OH(159505-46-1)
    11. EPA Substance Registry System: H-Tyr(Tos)-OH(159505-46-1)
  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 159505-46-1(Hazardous Substances Data)

159505-46-1 Usage

Uses

Used in Pharmaceutical Industry:
H-Tyr(Tos)-OH is used as a synthetic intermediate for the development of various pharmaceuticals. Its role in peptide synthesis allows for the creation of complex molecules with potential therapeutic applications.
Used in Biochemical Research:
H-Tyr(Tos)-OH is used as a research tool in biochemical studies, particularly in the synthesis and analysis of peptides. Its protective tosyl group enables the controlled assembly of peptide chains, facilitating the investigation of their structure and function.
Used in Peptide Synthesis:
H-Tyr(Tos)-OH is used as a protecting agent in the synthesis of peptides. The tosyl group shields the tyrosine amino acid, preventing unwanted side reactions during the synthesis process, and ensuring the correct formation of the desired peptide sequence.
Used in Chemical Synthesis:
H-Tyr(Tos)-OH is used as a building block in the synthesis of various chemical compounds, including those with potential applications in the fields of materials science, agriculture, and environmental science. Its versatility as a synthetic intermediate makes it a valuable component in the development of new molecules with specific properties.

Check Digit Verification of cas no

The CAS Registry Mumber 159505-46-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,5,0 and 5 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 159505-46:
(8*1)+(7*5)+(6*9)+(5*5)+(4*0)+(3*5)+(2*4)+(1*6)=151
151 % 10 = 1
So 159505-46-1 is a valid CAS Registry Number.

159505-46-1SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name H-Tyr(Tos)-OH

1.2 Other means of identification

Product number -
Other names REF DUPL: H-L-Tyr(Tos)-OH

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:159505-46-1 SDS

159505-46-1Upstream product

159505-46-1Downstream Products

159505-46-1Relevant articles and documents

Dyeing method using a specific cationic derivative and a compound selected among a specific aldehyde, a specific ketone, a quinone and a di-imino-isoindoline or 3-amino-isoindolone derivative

-

, (2008/06/13)

Compositions, methods, and kits for dyeing at least one keratin fiber, comprising at least one specific cationic compound and at least one compound chosen from specific aldehydes, specific ketones, quinones, diiminoisoindoline derivatives, and 3-aminoisoindolone derivatives, with the proviso that the inventive compositions do not comprise an oxidizing agent.

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