57674-20-1 Usage
General Description
2-chloro-3-(1-methylethyl)pyrazine is a chemical compound that belongs to the class of pyrazines, which are heterocyclic aromatic compounds. It is a derivative of pyrazine with a chlorine atom and an isopropyl group attached to the 2 and 3 positions, respectively. This chemical is commonly used as a flavoring agent in food products due to its nutty and earthy odor. Additionally, it is also utilized in the manufacturing of fragrances and perfumes. The compound has been studied for its potential biological activities, including its antimicrobial and insecticidal properties. However, it is important to handle and use this chemical with caution, as it may pose health and environmental risks if not properly managed.
Check Digit Verification of cas no
The CAS Registry Mumber 57674-20-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,6,7 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 57674-20:
(7*5)+(6*7)+(5*6)+(4*7)+(3*4)+(2*2)+(1*0)=151
151 % 10 = 1
So 57674-20-1 is a valid CAS Registry Number.
InChI:InChI=1/C7H9ClN2/c1-5(2)6-7(8)10-4-3-9-6/h3-5H,1-2H3
57674-20-1Relevant articles and documents
New insights into the synthesis and characterization of 2-methoxy-3-alkylpyrazines and their deuterated isotopologues
Schmarr,Sang,Ganss,Koschinski,Meusinger
scheme or table, p. 438 - 440 (2012/07/13)
A previously described synthetic route for preparation of 2-methoxy-3-alkylprazines (MPs) based on condensation of glyoxal with an α-amino acid amide, followed by methylation with iodomethane yields 3-alkyl-1-methyl-1H-pyrazin-2-ones (N-methyl derivatives), rather than the designated 2-methoxy-3-alkylpyrazines (O-methyl derivatives). Despite similar nuclear magnetic resonance and mass spectral properties, gas chromatographic (GC) retention indices differ significantly, indicating chemical difference. With the example of 3-sec-butyl-1-methyl-1H-pyrazin-2-one and its 3-sec-butyl-1-[2H3]methyl-1H-pyrazin-2-one isotopologue, the position of the methyl group introduced could be assigned unambiguously, using heteronuclear multiple bond correlation (HMBC) NMR experiments. For future characterization, the spectroscopic (NMR, EI+MS) as well as GC retention index data on two stationary phases of the most aroma relevant MPs and their deuterated isotopologues are summarized. Copyright
