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696-63-9 Usage

Chemical Properties

Colorless light yellow liquid.


4-Methoxythiophenol is used in preparing samples for self-assembled monolayers (SAM?s) characterization and to study SAM?s effect on both n- and p-channel organic thin film transistors. It is also used in cesium fluoride-Celite catalyzed preparation of thioethers and thioesters.

Synthesis Reference(s)

The Journal of Organic Chemistry, 49, p. 2637, 1984 DOI: 10.1021/jo00188a028

Check Digit Verification of cas no

The CAS Registry Mumber 696-63-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,9 and 6 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 696-63:
99 % 10 = 9
So 696-63-9 is a valid CAS Registry Number.

696-63-9 Well-known Company Product Price

  • Brand
  • (Code)Product description
  • CAS number
  • Packaging
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  • Detail
  • Alfa Aesar

  • (A16009)  4-Methoxythiophenol, 97%   

  • 696-63-9

  • 5g

  • 241.0CNY

  • Detail
  • Alfa Aesar

  • (A16009)  4-Methoxythiophenol, 97%   

  • 696-63-9

  • 25g

  • 1125.0CNY

  • Detail
  • Alfa Aesar

  • (A16009)  4-Methoxythiophenol, 97%   

  • 696-63-9

  • 100g

  • 3613.0CNY

  • Detail
  • Aldrich

  • (109525)  4-Methoxythiophenol  97%

  • 696-63-9

  • 109525-5G

  • 444.60CNY

  • Detail
  • Aldrich

  • (109525)  4-Methoxythiophenol  97%

  • 696-63-9

  • 109525-25G

  • 1,966.77CNY

  • Detail



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

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017


1.1 GHS Product identifier


1.2 Other means of identification

Product number -
Other names 4-methoxyphenylthiol

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:696-63-9 SDS

696-63-9Relevant articles and documents

Spontaneous substitution of azulene-derived benzylic alcohols by thiols and its application to labeling/protection of biothiols

Jin, Yu,Akagawa, Kengo,Kudo, Kazuaki

supporting information, (2021/02/27)

By mixing guaiazulene-3-methanol derivatives and thiols at room temperature, benzylic substitution of the alcohol proceeded to yield the corresponding sulfide. Because of the blue color of the guaiazulene derivative, this spontaneous reaction was used for labeling of paper-immobilized biothiols. By treatment with tris(2-carboxyethyl)phosphine hydrochloride, the guaiazulene-3-ylmethyl part of the sulfide could be removed and the original thiol recovered. Based on these findings, a guaiazulene-3-methanol derivative was used as a protective group for the synthesis of cysteine derivatives.

Copper-Catalyzed Direct Synthesis of Aryl Thiols from Aryl Iodides Using Sodium Sulfide Aided by Catalytic 1,2-Ethanedithiol

Xue, Hongyu,Jing, Bing,Liu, Shasha,Chae, Junghyun,Liu, Yajun

, p. 2272 - 2276 (2017/10/06)

A copper-catalyzed direct and effective synthesis of aryl thiols from aryl iodides using readily available Na 2 S·9H 2 O and 1,2-ethanedithiol was described. A variety of aryl thiols were readily obtained in yields of 76-99%. In this protocol, Na 2 S·9H 2 O was used as ultimate sulfur source, and 1,2-ethanedithiol functioned as an indispensable catalytic reagent.

Nitromethane as a cyanating reagent for the synthesis of thiocyanates

Wang, Zuo-Hui,Ji, Xiao-Ming,Hu, Mao-Lin,Tang, Ri-Yuan

, p. 5067 - 5070 (2015/08/06)

Nitromethane has been developed to be an effective cyanating reagent for the synthesis of thiocyanates. In the presence of iodine and base, a wide range of disulfides were reacted with nitromethane smoothly to give diverse thiocyanates in moderate to good yields.

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