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1,2-Benzenediol, 4-(1-aminoethyl)-, (R)(9CI), also known as (R)-Norephedrine, is a chiral phenolic compound with the molecular formula C8H11NO2. It belongs to the class of phenols and aromatic compounds and is known for its role as a neurotransmitter, affecting the nervous system by stimulating the release of norepinephrine and dopamine. 1,2-Benzenediol, 4-(1-aminoethyl)-, (R)(9CI) is commonly used as a precursor in the synthesis of pharmaceutical drugs, a reagent in organic chemical reactions, and has been utilized as a decongestant and appetite suppressant in various medications.

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  • 134856-03-4 Structure
  • Basic information

    1. Product Name: 1,2-Benzenediol, 4-(1-aminoethyl)-, (R)- (9CI)
    2. Synonyms: 1,2-Benzenediol, 4-(1-aminoethyl)-, (R)- (9CI);1,2-Benzenediol, 4-(1-aminoethyl)-, (R)-;(R)- (9CI);2-Benzenediol;4-(1-aMinoethyl)-;4-[(1R)-1-aminoethyl]benzene-1,2-diol
    3. CAS NO:134856-03-4
    4. Molecular Formula: C8H11NO2
    5. Molecular Weight: 153.18
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 134856-03-4.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: 1,2-Benzenediol, 4-(1-aminoethyl)-, (R)- (9CI)(CAS DataBase Reference)
    10. NIST Chemistry Reference: 1,2-Benzenediol, 4-(1-aminoethyl)-, (R)- (9CI)(134856-03-4)
    11. EPA Substance Registry System: 1,2-Benzenediol, 4-(1-aminoethyl)-, (R)- (9CI)(134856-03-4)
  • 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: 134856-03-4(Hazardous Substances Data)

134856-03-4 Usage

Uses

Used in Pharmaceutical Synthesis:
1,2-Benzenediol, 4-(1-aminoethyl)-, (R)(9CI) is used as a precursor in the pharmaceutical industry for the synthesis of various drugs. Its unique chemical structure and reactivity make it a valuable building block in the development of new medications.
Used in Organic Chemical Reactions:
In the field of organic chemistry, 1,2-Benzenediol, 4-(1-aminoethyl)-, (R)(9CI) serves as a reagent in various chemical reactions, facilitating the formation of desired products and enhancing the efficiency of synthetic processes.
Used in Neurotransmission Regulation:
As a neurotransmitter, 1,2-Benzenediol, 4-(1-aminoethyl)-, (R)(9CI) is used in the regulation of neurotransmission in the nervous system. It stimulates the release of norepinephrine and dopamine, playing a crucial role in modulating cognitive functions, mood, and other neurological processes.
Used in Medications as a Decongestant:
1,2-Benzenediol, 4-(1-aminoethyl)-, (R)(9CI) is utilized as a decongestant in various medications, helping to relieve nasal congestion and other respiratory symptoms by constricting blood vessels and reducing inflammation in the nasal passages.
Used in Medications as an Appetite Suppressant:
In the pharmaceutical industry, 1,2-Benzenediol, 4-(1-aminoethyl)-, (R)(9CI) is also used as an appetite suppressant in weight management medications. Its stimulant effects on the nervous system can help to reduce appetite and support weight loss efforts.

Check Digit Verification of cas no

The CAS Registry Mumber 134856-03-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,8,5 and 6 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 134856-03:
(8*1)+(7*3)+(6*4)+(5*8)+(4*5)+(3*6)+(2*0)+(1*3)=134
134 % 10 = 4
So 134856-03-4 is a valid CAS Registry Number.

134856-03-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 1,2-Benzenediol, 4-(1-aminoethyl)-, (R)- (9CI)

1.2 Other means of identification

Product number -
Other names 4-(1-aMinoethyl)

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:134856-03-4 SDS

134856-03-4Upstream product

134856-03-4Downstream Products

134856-03-4Relevant articles and documents

Hair dyeing composition containing an aryldiamine and a substituted catechol

-

, (2008/06/13)

A composition for use in the dyeing of keratinous fibre such as hair includes an aqueous anaerobic solution of an aryldiamine and a substituted catechol. Optionally, an aromatic coupling agent can also be incorporated in the composition to modify the shade of color produced. Anaerobic storage conditions can, for example, be maintained by packing the composition in an aerosol container with a halocarbon propellant.

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