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2556-73-2

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2556-73-2 Usage

Chemical Properties

clear colorless to light yellow liquid

Uses

N-Methylcaprolactam was used to study the inhibition mechanism of poly-[N-vinylcaprolactam] (PVCAP) and its related compounds against hydrate formation.

Check Digit Verification of cas no

The CAS Registry Mumber 2556-73-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,5,5 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 2556-73:
(6*2)+(5*5)+(4*5)+(3*6)+(2*7)+(1*3)=92
92 % 10 = 2
So 2556-73-2 is a valid CAS Registry Number.
InChI:InChI=1/C7H13NO/c1-8-6-4-2-3-5-7(8)9/h2-6H2,1H3

2556-73-2 Well-known Company Product Price

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

  • (A17776)  N-Methylcaprolactam, 96%   

  • 2556-73-2

  • 25g

  • 652.0CNY

  • Detail
  • Alfa Aesar

  • (A17776)  N-Methylcaprolactam, 96%   

  • 2556-73-2

  • 100g

  • 1621.0CNY

  • Detail
  • Aldrich

  • (224766)  N-Methylcaprolactam  99%

  • 2556-73-2

  • 224766-25G

  • 306.54CNY

  • Detail

2556-73-2SDS

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 N-Methylcaprolactam

1.2 Other means of identification

Product number -
Other names N-Methyl-2-azacycloheptanone

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:2556-73-2 SDS

2556-73-2Relevant articles and documents

-

Schmulbach,Hart

, p. 3122 (1964)

-

Regio- And Stereoselective (S N2) N -, O -, C - And S -Alkylation Using Trialkyl Phosphates

Banerjee, Amit,Hattori, Tomohiro,Yamamoto, Hisashi

, (2021/06/16)

Bimolecular nucleophilic substitution (S N 2) is one of the most well-known fundamental reactions in organic chemistry to generate new molecules from two molecules. In principle, a nucleophile attacks from the back side of an alkylating agent having a suitable leaving group, most commonly a halide. However, alkyl halides are expensive, very harmful, toxic and not so stable, which makes them problematic for laboratory use. In contrast, trialkyl phosphates are inexpensive, readily accessible and stable at room temperature, under air, and are easy to handle, but rarely used as alkylating agents in organic synthesis. Here, we describe a mild, straightforward and powerful method for nucleophilic alkylation of various N -, O -, C - and S -nucleophiles using readily available trialkyl phosphates. The reaction proceeds smoothly in excellent yield, and quantitative yield in many cases, and covers a wide range of substrates. Further, the rare stereoselective transfer of secondary alkyl groups has been achieved with inversion of configuration of chiral centers (up to 98% ee).

A new route to N-aromatic heterocycles from the hydrogenation of diesters in the presence of anilines

Shi, Yiping,Kamer, Paul C. J.,Cole-Hamilton, David J.,Harvie, Michelle,Baxter, Emma F.,Lim, Kate J. C.,Pogorzelec, Peter

, p. 6911 - 6917 (2017/10/05)

The hydrogenation of dicarboxylic acids and their esters in the presence of anilines provides a new synthesis of heterocycles. [Ru(acac)3] and 1,1,1-tris(diphenylphosphinomethyl)ethane (triphos) gave good to excellent yields of the cyclic amines at 220 °C. When aqueous ammonia was used with dimethyl 1,6-hexadienoic acid, ?-caprolactam was obtained in good yield. A side reaction involving alkylation of the amine by methanol was suppressed by using diesters derived from longer chain and branched alcohols. Hydrogenation of optically pure diesters (dimethyl (R)-2-methylbutanedioate and dimethyl (S)-2-methylbutanedioate) with aniline afforded racemic 3-methyl-1-phenylpyrrolidine in 78% yield.

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