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(R)-α-Methoxy-2-naphthaleneacetic acid, also known as (R)-2-NMA, is a chiral compound belonging to the class of naphthaleneacetic acids. It is an enantiomer of (S)-2-NMA and possesses a high affinity for the auxin-binding protein, exhibiting strong auxin activity.
Used in Plant Growth Regulation:
(R)-2-NMA is used as a plant growth regulator for promoting the rooting of cuttings and the formation of adventitious roots in various plant species. Its strong auxin activity makes it an effective tool for studying the hormonal control of plant growth and development.
Used in Agriculture:
(R)-2-NMA is used as a growth enhancer in agriculture to improve crop yields and increase plant stress tolerance. Its potential applications in this industry contribute to more sustainable and efficient farming practices.

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  • 156942-67-5 Structure
  • Basic information

    1. Product Name: (R)-α-Methoxy-2-naphthaleneacetic acid, (R)-2-NMA
    2. Synonyms: (R)-α-Methoxy-2-naphthaleneacetic acid, (R)-2-NMA;(R)-α-Methoxy-2-naphthylacetic acid;(R)-2-NMA;(R)-alpha-Methoxy-2-naphthylacetic acid >=99.0%;(R)-ALPHA-METHOXY-2-NAPHTHYLACETIC ACID
    3. CAS NO:156942-67-5
    4. Molecular Formula: C13H12O3
    5. Molecular Weight: 216.235
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 156942-67-5.mol
  • Chemical Properties

    1. Melting Point: 101-104 °C
    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: (R)-α-Methoxy-2-naphthaleneacetic acid, (R)-2-NMA(CAS DataBase Reference)
    10. NIST Chemistry Reference: (R)-α-Methoxy-2-naphthaleneacetic acid, (R)-2-NMA(156942-67-5)
    11. EPA Substance Registry System: (R)-α-Methoxy-2-naphthaleneacetic acid, (R)-2-NMA(156942-67-5)
  • Safety Data

    1. Hazard Codes: Xn
    2. Statements: 22
    3. Safety Statements: N/A
    4. RIDADR: UN 2811 6.1/PG 3
    5. WGK Germany: 3
    6. RTECS:
    7. HazardClass: N/A
    8. PackingGroup: N/A
    9. Hazardous Substances Data: 156942-67-5(Hazardous Substances Data)

156942-67-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156942-67-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,9,4 and 2 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 156942-67:
(8*1)+(7*5)+(6*6)+(5*9)+(4*4)+(3*2)+(2*6)+(1*7)=165
165 % 10 = 5
So 156942-67-5 is a valid CAS Registry Number.

156942-67-5 Well-known Company Product Price

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  • Aldrich

  • (669865)  (R)-α-Methoxy-2-naphthylaceticacid  ≥99.0%

  • 156942-67-5

  • 669865-100MG

  • 1,131.39CNY

  • Detail
  • Aldrich

  • (669865)  (R)-α-Methoxy-2-naphthylaceticacid  ≥99.0%

  • 156942-67-5

  • 669865-500MG

  • 4,472.91CNY

  • Detail

156942-67-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name (2R)-2-methoxy-2-naphthalen-2-ylacetic acid

1.2 Other means of identification

Product number -
Other names (R)-methoxy-(2-naphthyl)acetic acid

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:156942-67-5 SDS

156942-67-5Downstream Products

156942-67-5Relevant articles and documents

New Chiral Anisotropic Reagents, NMR Tools to Elucidate the Absolute Configuration of Long-chain Organic Compounds

Kusumi, Takenori,Takahashi, Haruko,Xu, Ping,Fukusima, Toshiro,Asakawa, Yoshinori,et al.

, p. 4397 - 4400 (1994)

Modified Mosher's method has been extended by use of 9-anthranylmethoxyacetic acid (9ATMA) and 2-naphthylmethoxynaphthylacetic acid (2NMA) instead of MTPA of the conventional method.Anisotropic effects of these reagents are much greater than that of MTPA, and the reagents have been shown to useful especially to determine the absolute configurations of the secondary alcohols involved in long-chain componds.

Enantioselective synthesis of arylmethoxyacetic acid derivatives

Moreno-Dorado, F. Javier,Guerra, Francisco M.,Ortega, Maria J.,Zubia, Eva,Massanet, Guillermo M.

, p. 503 - 510 (2007/10/03)

The preparation of several arylmethoxyacetic acids by a sequence of asymmetric dihydroxylation and further oxidation of the resulting glycol with TEMPO/NaClO/NaClO2 is described. The scope and limitations of the reaction are discussed.

Chemo-enzymatic synthesis of enantiomerically pure (R)-2-naphthylmethoxyacetic acid

Kimura, Mayumi,Kuboki, Atsuhito,Sugai, Takeshi

, p. 1059 - 1068 (2007/10/03)

Enantiomerically pure (R)-2-naphthylmethoxyacetic acid (2-NMA) was synthesized from 2-naphthaldehyde via an integrated chemo-enzymatic procedure. The one-pot, successive use of SnBr2-TMSCN and AcBr worked effectively to give a racemic cyanohydrin acetate. Lipase from Burkholderia cepacia then mediated the highly enantioselective hydrolysis of the (S)-enantiomer of the racemate, leaving the (R)-acetate with an e.e. of >99.9%. The resulting product of this enzyme-catalyzed hydrolysis, an (S)-cyanohydrin, spontaneously decomposed into naphthaldehyde, the starting material of this synthetic route, which could be recycled. The hydration of nitrile to amide as well as the hydrolysis of the acetate was performed with a microorganism, Rhodococcus rhodochrous, under very mild conditions without any loss of the enantiomeric purity. The amide group was hydrolyzed with nitrosylsulfuric acid, and the product was isolated as an α-hydroxy ester. The α-hydroxyl group was methylated with diazomethane-silica gel and the final task, hydrolysis of the ester, was accomplished under conditions as mild as neutral pH with an esterase from Krebsiella oxytoca to give enantiomerically pure 2-NMA.

Conformational Structure and Dynamics of Arylmethoxyacetates: DNMR Spectroscopy and Aromatic Shielding Effect

Latypov, Sh. K.,Seco, J. M.,Quinoa, E.,Riguera, R.

, p. 504 - 515 (2007/10/02)

The ground state conformational geometry and energy of esters of (R)- and (S)-arylmethoxyacetic acids were evaluated from low temperature 1H and 13C NMR spectra and by means of MM, AM1, and aromatic shielding effect calculations.In solution, the title com

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