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2-Methoxy-3-isobutyl pyrazine

CAS No.
24683-00-9
Chemical Name:
2-Methoxy-3-isobutyl pyrazine
Synonyms
ipmp;2-ISOBUTYL-3-METHOXYPYRAZINE;2-METHOXY-3-ISOBUTYLPYRAZINE;3-ISOBUTYL-2-METHOXYPYRAZINE;Pyrazine, 2-methoxy-3-(2-methylpropyl)-;FEMA 3132;Femano.3132;FEMA NUMBER 3132;Thymol Impurity?37;2-Methoxy-3-isobutyl
CBNumber:
CB3154674
Molecular Formula:
C9H14N2O
Molecular Weight:
166.22
MDL Number:
MFCD00006128
MOL File:
24683-00-9.mol
MSDS File:
SDS
Last updated:2026-01-31 10:02:37
Product description Number Pack Size Price
2-Isobutyl-3-methoxypyrazine ≥99%, FG W313203 1 unit $77.88
2-Isobutyl-3-methoxypyrazine ≥99%, FG W313203 1 unit $77.88
2-Isobutyl-3-methoxypyrazine ≥99%, FG W313203 100g $553
2-Isobutyl-3-methoxypyrazine ≥99%, FG W313203 500g $2050
2-Isobutyl-3-methoxypyrazine ≥99%, FG W313203 1kg $3480
More product size

2-Methoxy-3-isobutyl pyrazine Properties

Boiling point 294.44°C (rough estimate)
Density 0.99 g/mL at 25 °C(lit.)
FEMA 3132 | 2-ISOBUTYL-3-METHOXYPYRAZINE
refractive index n20/D 1.49(lit.)
Flash point 176 °F
storage temp. room temp
pka 0.80±0.10(Predicted)
form Liquid
color Clear colorless
Specific Gravity 0.995
Odor green-pepper odor FCT 2000
Odor Type green
biological source synthetic
JECFA Number 792
Cosmetics Ingredients Functions PERFUMING
InChI 1S/C9H14N2O/c1-7(2)6-8-9(12-3)11-5-4-10-8/h4-5,7H,6H2,1-3H3
InChIKey UXFSPRAGHGMRSQ-UHFFFAOYSA-N
SMILES COc1nccnc1CC(C)C
LogP 2.62
CAS DataBase Reference 24683-00-9(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS) 2-ISOBUTYL-3-METHOXYPYRAZINE
FDA UNII S327O0T12O
NIST Chemistry Reference Pyrazine, 2-methoxy-3-(2-methylpropyl)-(24683-00-9)
EPA Substance Registry System Pyrazine, 2-methoxy-3-(2-methylpropyl)- (24683-00-9)
UNSPSC Code 77101502
NACRES NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
target organs Respiratory system
PPE Eyeshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes  Xi,T,F
Risk Statements  36/37/38-39/23/24/25-23/24/25-11
Safety Statements  26-36-24/25-45-36/37-16-7
RIDADR  UN 1230 3/PG 2
WGK Germany  3
TSCA  TSCA listed
HS Code  29339900
Storage Class 10 - Combustible liquids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
NFPA 704
1
2 0

2-Methoxy-3-isobutyl pyrazine price More Price(31)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich W313203 2-Isobutyl-3-methoxypyrazine ≥99%, FG 24683-00-9 1 unit $77.88 2025-07-31 Buy
Sigma-Aldrich W313203 2-Isobutyl-3-methoxypyrazine ≥99%, FG 24683-00-9 1 unit $77.88 2025-07-31 Buy
Sigma-Aldrich W313203 2-Isobutyl-3-methoxypyrazine ≥99%, FG 24683-00-9 100g $553 2025-07-31 Buy
Sigma-Aldrich W313203 2-Isobutyl-3-methoxypyrazine ≥99%, FG 24683-00-9 500g $2050 2025-07-31 Buy
Sigma-Aldrich W313203 2-Isobutyl-3-methoxypyrazine ≥99%, FG 24683-00-9 1kg $3480 2025-07-31 Buy
Product number Packaging Price Buy
W313203 1 unit $77.88 Buy
W313203 1 unit $77.88 Buy
W313203 100g $553 Buy
W313203 500g $2050 Buy
W313203 1kg $3480 Buy

2-Methoxy-3-isobutyl pyrazine Chemical Properties,Uses,Production

Description

2-Isobutyl-3-methoxypyrazine has an extremely powerful odor with a reported threshold value of 2 parts per trillion in water. Diluted water solutions exhibit a characteristic odor of green bell peppers. May be synthesized by condensation of leucine amide with glyoxal, followed by methylation with CH2H2.

Chemical Properties

2-Isobutyl-3-methoxypyrazine has a green bell pepper, green pea odor. Diluted water solutions of this compound exhibit a characteristic odor of green bell peppers.

Chemical Properties

CLEAR COLOURLESS LIQUID

Occurrence

Reported present in green bell pepper, coffee, galbanum oil, potato products, peas, grapes, lettuce, sherry, white wine, cocoa, beans, beetroot, passion fruit and okra.

Uses

2-Isobutyl-3-methoxypyrazine has been employed as a model odorant molecule during an electrochemical assay for the detection of odorant molecules based on a rat odorant-binding protein (rOBP3).

Preparation

By condensation of leucine amide with glyoxal followed by methylation with CH2H2

Aroma threshold values

Detection: 2 ppt to 10 ppb

General Description

2-Isobutyl-3-methoxypyrazine, a potent bell-pepper odourant, has been found to bind to cow olfactory mucosa homogenate.

25680-53-9
24683-00-9
Synthesis of 2-Methoxy-3-isobutyl pyrazine from 3-ISOBUTYL-1H-PYRAZIN-2-ONE

2-Methoxy-3-isobutyl pyrazine Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 316)Suppliers
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Hebei Chuanghai Biotechnology Co,.LTD
+86-13131129325 sales1@chuanghaibio.com China 5242 58
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CONIER CHEM AND PHARMA LIMITED
+8618523575427 sales@conier.com China 49977 58

View Lastest Price from 2-Methoxy-3-isobutyl pyrazine manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
2-Isobutyl-3-methoxypyrazine pictures 2026-01-30 2-Isobutyl-3-methoxypyrazine
24683-00-9
US $31.00 / g 98.31% 10g TargetMol Chemicals Inc.
2-Methoxy-3-isobutyl pyrazine pictures 2025-12-01 2-Methoxy-3-isobutyl pyrazine
24683-00-9
US $0.00-0.00 / KG 1KG 98.0% 10000KGS Shaanxi Dideu New Materials Co. Ltd
2-Methoxy-3-isobutyl pyrazine pictures 2025-09-25 2-Methoxy-3-isobutyl pyrazine
24683-00-9
US $34.00-1.10 / kg 1kg 99% g-kg-tons, free sample is available Henan Fengda Chemical Co., Ltd
2-METHOXY-3-ISOBUTYLPYRAZINE 2-ISOBUTYL-3-METHOXYPYRAZINE 2-ISOBUTYL-3(5/6)-METHOXYPYRAZINE 2-methoxy-3-(2-methyl-propyl) pyrazine 2-methoxy-3-(2-methylpropyl)-pyrazin 2-methoxy-3-(2-methylpropyl)-Pyrazine 3-methoxy-2-isobutylpyrazine Pyrazine, 2-(2-methylpropyl)-3-methoxy Pyrazine, 2-isobutyl-3-methoxy Pyrazine, 2-methoxy-3-(2-methylpropyl)- Pyrazine, 3-methoxy-2-(2-methylpropyl) ipmp 2-Isobutyl-3-methoxypyrazine Odor Standard 2-ISOBUTYL-3-(5)-METHOXYPYRAZINE 3-ISOBUTYL-2-METHOXYPYRAZINE FEMA 3132 FEMA NUMBER 3132 2-methoxy-3-iosobutylpyrazine 2-ISOBUTYL-3-METHOXYPYRAZINE 99+% 2-Isobutyl-3-methoxypyrazine, tech., cont. 20% 2-isobutyl-6-methoxypyrazine, 80% isobutylmethoxypyrazine,2-isobutyl-3-methoxypyrazine 2-isobutyl-3-methoxypyrazine solution Femano.3132 3-Methoxy-2-(2-methylpropyl)pyrazine 2-Isobutyl-3-methoxypyrazine,80%,tech., cont.20% 2-isobutyl-6-methoxypyrazine 2-METHOXY-3-ISOBUTYL PYRAZINE FEMA NO.3132 2-Isobutyl-3-Methoxypyrazine, 99% 1GR 2-Methoxy-3-isobutyl 2-Methoxy-3-isobutyl pyrazine SynonyMs 3-Isobutyl-2-Methoxypyrazine 2-Isobutyl-3-Methoxypyrazine 99% 2-Isobutyl-3-methoxypyrazineSolution,100mg/L,5x1ml 2-Isobutyl-3-methoxypyrazine Odor Standard@1000 μg/mL in Methanol 2-Isobutyl-3-methoxypyrazine> 2-Isobutyl-3-methoxypyrazineSolution,100mg/L,1ml 2-Isobutyl-3-methoxypyrazine (IBMP) 2-Methoxy-3-isobutyl pyrazine USP/EP/BP Thymol Impurity?37 C14394700 2-Isobutyl-3-methoxypyrazine XA14394700ME2-Isobutyl-3-methoxypyrazinE100 μg 2-Isobutyl-3-methoxypyrazine in Methanol 2-Isobutyl-3-methoxypyrazine 100 μg/mL in Methanol 24683-00-9 2468-00-9 24683-00-3 C9H14N2O Mono- & Polyalkylpyrazines Pyrazines Alkoxypyrazines Building Blocks Heterocyclic Building Blocks 500 Series Drinking Water Methods Drinking WaterEPA Odor Standards Chromatography Environmental Standards Alphabetical Listings Flavors and Fragrances I-L