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26398-93-6

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26398-93-6 Usage

General Description

(E)-3-(Methylthio)acrylic acid, also known as Methylthiopropanoic acid, is a chemical compound with the formula C4H6O2S. It is an organic compound belonging to the family of carboxylic acids and thiols. This colorless, pungent-smelling liquid is widely used in the production of flavors and fragrances due to its characteristic odor. (E)-3-(Methylthio)acrylic acid is also used in the synthesis of pharmaceuticals, dyes, and other chemicals. It is highly reactive and can easily form esters and amides, making it a versatile building block for the production of diverse chemical compounds. Additionally, its thiol group makes it a precursor to sulfur derivatives and offers potential applications in the field of organic synthesis.

Check Digit Verification of cas no

The CAS Registry Mumber 26398-93-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,3,9 and 8 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 26398-93:
(7*2)+(6*6)+(5*3)+(4*9)+(3*8)+(2*9)+(1*3)=146
146 % 10 = 6
So 26398-93-6 is a valid CAS Registry Number.
InChI:InChI=1/C4H6O2S/c1-7-3-2-4(5)6/h2-3H,1H3,(H,5,6)/b3-2+

26398-93-6SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name (E)-β-methylthiopropenoic acid

1.2 Other means of identification

Product number -
Other names (E)-3-(methylthio)-propenoic 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:26398-93-6 SDS

26398-93-6Relevant articles and documents

Lepadins I-K, 3- O-(3′-Methylthio)acryloyloxy-decahydroquinoline Esters from a Bahamian Ascidian Didemnum sp. Assignment of Absolute Stereostructures

ómarsdóttir, Sesselja,Wang, Xiao,Liu, Hong-Bing,Duggan, Brendan M.,Molinski, Tadeusz F.

, p. 13670 - 13677 (2018)

Three decahydroisoquinoline alkaloids, lepadins I-K, were isolated from a specimen of Didemnum sp. collected in the Bahamas. The structures of the new compounds were assigned by an integrated analysis of MS, IR, and 1H, 13C, and 2D NMR spectra. Like previously reported lepadins, the structures of the new compounds contain a decahydroquinoline heterocyclic core in lepadin I, and a new variation, an octahydroquinoline in lepadin J, but differ from earlier reported compounds by acylation of the 3-hydroxyl group by a rare 3′-methylthioacrylate. The absolute configuration of lepadin I was solved by interpretation of NOE measurements, and exciton coupled circular dichroism (ECCD) of the corresponding N-p-bromobenzoyl derivative. The latter constitutes a general method for determination of absolute configuration of the entire lepadin family. The configuration of the remote side-chain secondary carbinol was solved by the modified Mosher's esters method. Lepadin I inhibited butyrylcholineesterase (BuChE, IC50 3.1 μM), but only weakly inhibited acetylcholineesterase (AChE) (10% at 100 μM).

N-Methylated Peptide Synthesis via Generation of an Acyl N-Methylimidazolium Cation Accelerated by a Br?nsted Acid

Fuse, Shinichiro,Hayashi, Yoshihiro,Kawauchi, Susumu,Nakamura, Hiroyuki,Otake, Yuma,Shibata, Yusuke

supporting information, p. 12925 - 12930 (2020/06/04)

The development of a robust amide-bond formation remains a critical aspect of N-methylated peptide synthesis. In this study, we synthesized a variety of dipeptides in high yields, without severe racemization, from equivalent amounts of amino acids. Highly reactive N-methylimidazolium cation species were generated in situ to accelerate the amidation. The key to success was the addition of a strong Br?nsted acid. The developed amidation enabled the synthesis of a bulky peptide with a higher yield in a shorter amount of time compared with the results of conventional amidation. In addition, the amidation can be performed by using either a microflow reactor or a conventional flask. The first total synthesis of naturally occurring bulky N-methylated peptides, pterulamides I–IV, was achieved. Based on experimental results and theoretical calculations, we speculated that a Br?nsted acid would accelerate the rate-limiting generation of acyl imidazolium cations from mixed carbonic anhydrides.

SYNTHESIS AND CORRECTED STRUCTURES OF SULPHUR-CONTAINING AMIDES FROM GLYCOSMIS SPECIES: SINHARINES, PENIMIDES, AND ILLUKUMBINS

Hinterberger, Sabine,Hofer, Otmar,Greger, Harald

, p. 6279 - 6286 (2007/10/02)

The structures of sinharine and methylsinharine isolated from Glycosmic cyanocarpa, penimide A and penimide B from G. chlorosperma, and methylillukumbin A, illukumbin B and methylillukumbin B from G. mauritiana were revised on the basis of synthesis and additional spectroscopic evidence.The methylthio group and the aromatic moiety have to change their positions in the molecules.Thus the compounds represent amides of 3-(methylthio)-propenoic acid and not cinnamides as described previously.

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