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Merck
CN

W313203

2-Isobutyl-3-methoxypyrazine

≥99%, FG

Synonym(s):

2-methoxy-3-(2-methylpropyl)pyrazine, 2-methoxy-3-isobutylpyrazine

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About This Item

Empirical Formula (Hill Notation):
C9H14N2O
CAS Number:
24683-00-9
Molecular Weight:
166.22
FEMA Number:
3132
Council of Europe no.:
11338
UNSPSC Code:
12164502
PubChem Substance ID:
24901478
Flavis number:
14.043
EC Number:
246-402-1
NACRES:
NA.21
MDL number:
MFCD00006128
Organoleptic:
green; vegetable; pepper
Grade:
FG
Fragrance grade
Halal
Kosher
Biological source:
synthetic
Agency:
follows IFRA guidelines
meets purity specifications of JECFA
Food allergen:
no known allergens

Key Documents

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Product Name

2-Isobutyl-3-methoxypyrazine, ≥99%, FG

SMILES string

COc1nccnc1CC(C)C

InChI key

UXFSPRAGHGMRSQ-UHFFFAOYSA-N

InChI

1S/C9H14N2O/c1-7(2)6-8-9(12-3)11-5-4-10-8/h4-5,7H,6H2,1-3H3

biological source

synthetic

grade

FG
Fragrance grade
Halal
Kosher

agency

follows IFRA guidelines
meets purity specifications of JECFA

reg. compliance

EU Regulation 1223/2009
EU Regulation 1334/2008 & 178/2002

assay

≥99%

refractive index

n20/D 1.49 (lit.)

density

0.99 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

documentation

see Safety & Documentation for available documents

food allergen

no known allergens

fragrance allergen

no known allergens

organoleptic

green; vegetable; pepper

Quality Level

300
400

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Related Categories

Application


  • RIFM Fragrance Ingredient Safety Assessment, 2-Isobutyl-3-methoxypyrazine, CAS Registry Number 24683-00-9.: This safety assessment reviews the toxicological data of 2-Isobutyl-3-methoxypyrazine, ensuring its safe use in fragrances (Api et al., 2024).

  • Source-Sink Manipulations Have Major Implications for Grapevine Berry and Wine Flavonoids and Aromas That Go Beyond the Changes in Berry Sugar Accumulation.: This article discusses the impact of 2-Isobutyl-3-methoxypyrazine on wine aroma, focusing on agricultural practices and their influence on grape quality (Martínez-Lüscher and Kurtural, 2023).

General description

2-Isobutyl-3-methoxypyrazine is the main characteristic flavor/aroma constituent of bell peppers. It is also found in fresh jalapeno peppers and baked potato.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

10 - Combustible liquids

wgk

WGK 3

flash_point_f

176.0 °F - closed cup

flash_point_c

80 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
SHBT2908
SHBQ3901
SHBP7370
SHBN7207
SHBM2901

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Volatile components and pungency in fresh and processed Jalapeno peppers.
Huffman VL, et al.
Journal of Food Science, 43(6), 1809-1811 (1978)
Volatile flavour components of baked potato flesh. A comparison of eleven potato cultivars.
Duckham SC, et al.
Molecular Nutrition And Food Research, 45(5), 317-323 (2001)
Katja Suklje et al.
Journal of agricultural and food chemistry, 60(37), 9454-9461 (2012-09-06)
Grape berries were classified according to diameter and total soluble solids (TSS) to study the effect of light and temperature on methoxypyrazines (MPs), glutathione (GSH), and hydroxycinnamates (HCAs) during the ripening of Sauvignon blanc. The light exposure of the fruiting
Nobuo Ochiai et al.
Journal of chromatography. A, 1218(21), 3180-3185 (2010-11-18)
A novel selectable one-dimensional ((1)D) or two-dimensional ((2)D) gas chromatography-olfactometry/mass spectrometry with preparative fraction collection (selectable (1)D/(2)D GC-O/MS with PFC) system was developed. The main advantages of this system are the simple and fast selection of (1)D GC-O/MS or (2)D
Julie Roy et al.
Biophysical journal, 99(1), 218-226 (2010-07-27)
The mouse major urinary protein (MUP) has proved to be an intriguing test bed for detailed studies on protein-ligand recognition. NMR, calorimetric, and modeling investigations have revealed that the thermodynamics of ligand binding involve a complex interplay between competing enthalpic
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Protocols

Standard Methods 6040D: GC Analysis of Geosmin and 2-MIB on SLB®-5ms after SPME using 50/30 µm DVB/Carboxen/PDMS Fiber

Separation of 2-Isopropyl-3-methoxypyrazine 20 ppt; 2-Isobutyl-3-methoxypyrazine; 2-Methylisoborneol; (±)-Geosmin 10 ppt

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