Welcome to LookChem.com Sign In|Join Free

CAS

  • or
S-Methyl methanethiolsulfonate, also known as MMTS, is a light yellow liquid that is a sulfonic acid derivative obtained by condensation of methanesulfonic acid with methanethiol. It is known for its ability to rapidly and selectively modify sulfhydryl groups of enzymes and is useful for mapping the pore-lining regions of the ryanodine receptor.

2949-92-0

Post Buying Request

2949-92-0 Suppliers

Recommended suppliersmore

  • Product
  • FOB Price
  • Min.Order
  • Supply Ability
  • Supplier
  • Contact Supplier

2949-92-0 Usage

Uses

Used in Enzyme Modification:
S-Methyl methanethiolsulfonate is used as a modifying agent for the sulfhydryl groups of enzymes, allowing for the alteration of enzyme properties and functions.
Used in Ryanodine Receptor Mapping:
In the field of biochemistry, S-Methyl methanethiolsulfonate is used as a mapping agent for the pore-lining regions of the ryanodine receptor, providing insights into the structure and function of this receptor.
Used as a Cross-linking Reagent:
S-Methyl methanethiolsulfonate serves as a carbonyl reactive homobifunctional cross-linking reagent that is cleavable with periodate, making it a valuable tool in various chemical and biological applications.
Used in Organic Synthesis:
As a sulfenylating agent, S-Methyl methanethiolsulfonate is utilized in the synthesis of β-keto sulfoxides, methylene compounds, half-esters of malonic acids, and aryl Grignard reagents, contributing to the development of new organic compounds.
Used in Protein Thiol-Disulfide State Trapping:
S-Methyl methanethiolsulfonate is employed as a reagent to trap the natural thiol-disulfide state of proteins, aiding in the study of protein structure, function, and stability.
General Description:
The interaction of S-methyl methanethiosulfonate (MMTS) with dipalmitoylphosphatidylcholine (DPPC) bilayers has been investigated using advanced spectroscopic techniques such as FTIR and surface-enhanced Raman spectroscopy, providing further understanding of its chemical properties and potential applications.

Synthesis Reference(s)

The Journal of Organic Chemistry, 49, p. 2281, 1984 DOI: 10.1021/jo00186a039Synthetic Communications, 20, p. 365, 1990 DOI: 10.1080/00397919008052777

Purification Methods

Purify it by fractional distillation under reduced pressure, IR: 1350, 750 cm-1 . [Applegate et al. J Org Chem 38 943 1973, Beilstein 4 IV 31.]

Check Digit Verification of cas no

The CAS Registry Mumber 2949-92-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,4 and 9 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 2949-92:
(6*2)+(5*9)+(4*4)+(3*9)+(2*9)+(1*2)=120
120 % 10 = 0
So 2949-92-0 is a valid CAS Registry Number.
InChI:InChI=1/C2H6O2S2/c1-5-6(2,3)4/h1-2H3

2949-92-0 Well-known Company Product Price

  • Brand
  • (Code)Product description
  • CAS number
  • Packaging
  • Price
  • Detail
  • TCI America

  • (M1382)  S-Methyl Methanethiosulfonate  >97.0%(GC)

  • 2949-92-0

  • 5g

  • 545.00CNY

  • Detail
  • TCI America

  • (M1382)  S-Methyl Methanethiosulfonate  >97.0%(GC)

  • 2949-92-0

  • 25g

  • 1,560.00CNY

  • Detail
  • Sigma-Aldrich

  • (64306)  S-Methylmethanethiosulfonate  purum, ≥98.0% (GC)

  • 2949-92-0

  • 64306-1ML

  • 431.73CNY

  • Detail
  • Sigma-Aldrich

  • (64306)  S-Methylmethanethiosulfonate  purum, ≥98.0% (GC)

  • 2949-92-0

  • 64306-10ML

  • 2,149.29CNY

  • Detail
  • Aldrich

  • (208795)  S-Methylmethanethiosulfonate  97%

  • 2949-92-0

  • 208795-1G

  • 444.60CNY

  • Detail
  • Aldrich

  • (208795)  S-Methylmethanethiosulfonate  97%

  • 2949-92-0

  • 208795-10G

  • 2,223.00CNY

  • Detail

2949-92-0SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 11, 2017

Revision Date: Aug 11, 2017

1.Identification

1.1 GHS Product identifier

Product name S-Methyl methanethiolsulfonate

1.2 Other means of identification

Product number -
Other names methanethiosulfonic acid S-methyl ester

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only. Food additives -> Flavoring Agents
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:2949-92-0 SDS

2949-92-0Downstream Products

2949-92-0Relevant articles and documents

Preoxidation-assisted nitrogen enrichment strategy to decorate porous carbon spheres for catalytic adsorption/oxidation of methyl mercaptan

Fan, Caimei,Kou, Lifang,Li, Rui,Wang, Rongxian,Wang, Yaqi,Zhang, Changming,Zhang, Xiaochao

, p. 37644 - 37656 (2020)

Porous carbon spheres with high surface area and microporous structure were synthesized from alkyl phenols and formaldehyde via suspension polymerization and steam activation. The effects of air oxidation and ammonia solution heat treatment on the pore structure and surface chemistry of the carbon spheres were studied for catalytic oxidation of CH3SH. The structure property and surface chemistry of the obtained carbon spheres were characterized by N2 adsorption-desorption, FTIR, scanning electron microscopy, XRD, elemental analysis, X-ray photoelectron spectroscopy and Boehm titration, and then thermal analysis and gas chromatography-mass spectrometry were applied to investigate the catalytic oxidation product. Results show that the as-prepared microporous carbon spheres through direct ammonia treatment have a high surface area value of 1710 m2 g-1 and a total pore volume of 0.83 cm3 g-1. Moreover, the preoxidation-assisted nitrogen enrichment strategy not only increases the surface area and total pore volume of the carbon spheres, but also introduces more active nitrogen species such as pyridinic nitrogen and quaternary nitrogen, leading to the highest nitrogen content of 7.13 wt% and the highest CH3SH capacity of 622.8 mg g-1 due to the pyridinic nitrogen and quaternary nitrogen as function of catalysts. In addition, water and oxygen have a beneficial effect on CH3SH oxidation over the nitrogen modified carbon spheres, and the basic oxidation product is CH3SSCH3 that can be further oxidized into CH3SO2SCH3 according to DTG and GC/MS analysis. The great recycling stability after ten cycles with a reserved CH3SH capacity of 97% demonstrates that the porous carbon spheres obtained by preoxidation-assisted enriched nitrogen strategy are promising for catalytic oxidation of CH3SH. This journal is

A novel practical preparation of methyl methanethiosulfonate from dimethyl sulfoxide initiated by a catalytic amount of (COCl)2 or anhydrous HCl

Huang, Shuai,Wang, Hao,Liu, Yongguo,Sun, Baoguo,Tian, Hongyu,Liang, Sen

, p. 604 - 613 (2021)

A novel practical preparation method for methyl methanethiosulfonate (MMTS) has been developed. Dimethyl sulfoxide was converted to MMTS in the presence of a catalytic amount of oxalyl chloride or anhydrous HCl in acetonitrile under reflux in an ideal yield. Methanesulfenic acid was proposed to be the key intermediate for the formation of MMTS.

Acid Promoted Direct Cross-Coupling of Methyl Ketones with Dimethyl Sulfoxide: Access to Ketoallyl Methylsulfides and -sulfones

Wen, Zhen-Kang,Liu, Xue-Hua,Liu, Yu-Fang,Chao, Jian-Bin

, p. 5798 - 5801 (2017)

A new strategy to prepare β-acyl allylic methylsulfides and -sulfones through acid promoted direct cross-coupling of methyl ketones with dimethyl sulfoxide (DMSO) is reported. The reaction proceeded through the nucleophilic attack of enamine intermidiates derived from ketones to in situ generated thionium ion species, followed by elimination of methanthiol to give ketoallylic methylsulfides. With the prolonged reaction time, such products could be further reacted with a methyl sulfonyl radical, which might be generated from a methylthiosulfonate species, to afford ketoallylic methylsulfones in high yields. Molecular transformations of the allylic methylsulfides were also demonstrated.

Antioxidant activity of two edible isothiocyanates: Sulforaphane and erucin is due to their thermal decomposition to sulfenic acids and methylsulfinyl radicals

Cedrowski, Jakub,D?browa, Kajetan,Przybylski, Pawe?,Krogul-Sobczak, Agnieszka,Litwinienko, Grzegorz

, (2021/03/30)

Sulforaphane (SFN) and erucin (ERN) are isothiocyanates (ITCs) bearing, respectively, methylsulfinyl and methylsulfanyl groups. Their chemopreventive and anticancer activity is attributed to ability to modulate cellular redox status due to induction of Phase 2 cytoprotective enzymes (indirect antioxidant action) but many attempts to connect the bioactivity of ITCs with their radical trapping activity failed. Both ITCs are evolved from their glucosinolates during food processing of Cruciferous vegetables, therefore, we studied antioxidant behaviour of SFN/ERN at elevated temperature in two lipid systems. Neither ERN nor SFN inhibit the oxidation of bulk linolenic acid (below 100 °C) but both ITCs increase oxidative stability of soy lecithin (above 150 °C). On the basis of GC-MS analysis we verified our preliminary hypothesis (Antioxidants 2020, 9, 1090) about participation of sulfenic acids and methylsulfinyl radicals as radical trapping agents responsible for the antioxidant effect of edible ITCs during thermal oxidation of lipids at elevated temperatures (above 140 °C).

Temperature-Controlled Chemoselective Synthesis of Thiosulfonates and Thiocyanates: Novel Reactivity of KXCN (X=S, Se) towards Organosulfonyl Chlorides

Kalaramna, Pratibha,Goswami, Avijit

supporting information, p. 5359 - 5366 (2021/10/25)

An efficient chemoselective protocol has been developed for the synthesis of thiosulfonates and thiocyanates by employing cost effective and commercially available organosulfonyl chlorides with potassium thio-/selenocyanate. The strategy offered the thiosulfonates and thiocyanates selectively by tuning the equivalents of KSeCN and optimizing the reaction temperature. On the other hand, thiosulfonates were obtained as sole products when organosulfonyl chlorides were treated with KSCN. Furthermore, the syntheses of diarylthioethers and aryl(heteroaryl) thioethers were carried out as a part of synthetic application of newly prepared arylthiocyanates.

The organocatalytic synthesis of perfluorophenylsulfides: Via the thiolation of trimethyl(perfluorophenyl)silanes and thiosulfonates

Cai, Zhihua,Du, Guangfen,He, Lin,Lin, Muze,Luo, Jinyun,Wu, Leifang

supporting information, p. 9237 - 9241 (2021/11/13)

The organic superbase t-Bu-P4-catalyzed direct thiolation of trimethyl(perfluorophenyl)silanes and thiosulfonates was developed. Yields of perfluorophenylsulfides of up to 97% under catalysis of 5 mol% t-Bu-P4 were achieved. This method was shown to provide an efficient way to construct the perfluorophenyl-sulfur bond under mild metal-free reaction conditions. This journal is

Simple preparation method of methyl thiomethanesulfonate

-

Paragraph 0004; 0009, (2020/05/08)

The invention provides a simple and convenient preparation method of methyl thiomethanesulfonate with a structure as shown in a formula (I). The method comprises the following steps: dropwise adding acatalytic amount of an acetonitrile solution of oxalyl chloride into the acetonitrile solution of dimethyl sulfoxide at about 0 DEG C; after dropwise adding, heating and refluxing a reaction mixture;after the reaction is finished, concentrating a reaction mixture, and obtaining methyl thiomethanesulfonate column chromatography separation; and the yield is 94%.

CuCl2-promoted decomposition of sulfonyl hydrazides for the synthesis of thiosulfonates

Kim, Junsu,Park, Sanggil,Kim, Hyungjun,Kim, Jinho

supporting information, (2020/07/02)

Sulfonyl hydrazides recently received much attention as reagents for the introduction of sulfur-containing functional groups into organic compounds, because both sulfonyl and sulfenyl sources could be generated by the oxidation and decomposition of the sulfonyl hydrazides, respectively. However, the transformations of sulfonyl hydrazides into thiosulfonates, which could be produced by the reaction between sulfonyl and sulfenyl sources, have been less investigated. In this manuscript, we describe CuCl2-promoted selective synthesis of thiosulfonates from sulfonyl hydrazides. A variety of thiosulfonates were produced in moderate to good yields. The mechanism involving radical intermediates such as sulfonyl radical and thiyl radical was proposed on the basis of the previously reported references and mechanistic investigations. In addition, quantum chemical simulations revealed that Cu-promoted decomposition of sulfonyl hydrazides is thermodynamically viable in the developed conditions.

Preparation method of thiosulfonate compounds in aqueous phase

-

Paragraph 0075-0077, (2019/06/27)

The invention relates to a preparation method of thiosulfonate compounds in an aqueous phase. The preparation method comprises adding sulfonyl hydrazide, an accelerant, an oxidant and solvent water into a Schlenk reaction bottle, stirring to allow to react under certain temperature and air atmosphere, and carrying out free radical coupling reaction to obtain the thiosulfonate compounds.

External Oxidant-Free Oxidative Tandem Cyclization: NaI-Catalyzed Thiolation for the Synthesis of 3-Thiosubstituted Pyrroles

Yuan, Bingxiang,Jiang, Yong,Qi, Zhenjie,Guan, Xin,Wang, Ting,Yan, Rulong

supporting information, p. 5112 - 5117 (2019/11/11)

A simple method for the synthesis of 3-thiosubstituted pyrroles from homopropargylic amines and thiosulfonates via a tandem sulfenylation/cyclization has been developed. The thiosulfonates are used both as substrates and oxidants in this transformation. This procedure exhibits good functional group tolerance and a series of 3-thiosubstituted pyrrole derivatives was obtained in moderate to good yields. (Figure presented.).

Post a RFQ

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

1

What can I do for you?
Get Best Price

Get Best Price for 2949-92-0