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
| 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 | |||
| Boiling point | 294.44°C (rough estimate) |
|---|---|
| Density | 0.99 g/mL at 25 °C(lit.) |
| FEMA | 3132 | 2-ISOBUTYL-3-METHOXYPYRAZINE |
| refractive index |
n |
| 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) | ![]() 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 |
|
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 |
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.
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Hebei Chuanghai Biotechnology Co,.LTD | +86-13131129325 | sales1@chuanghaibio.com | China | 5242 | 58 |
| Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 | info@fdachem.com | China | 20128 | 58 |
| JINING XINHE CHEMICAL CO., LTD | +8615318402391 | sales@xinhepharma.com | China | 809 | 58 |
| Hebei Zhuanglai Chemical Trading Co Ltd | +86-16264648883 | niki@zlchemi.com | China | 7245 | 58 |
| ATK CHEMICAL COMPANY LIMITED | +undefined-21-51877795 | ivan@atkchemical.com | China | 33024 | 60 |
| career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29831 | 58 |
| Jinan Finer Chemical Co., Ltd | +86-531-88989536 +86-15508631887 | sales@finerchem.com | China | 2950 | 58 |
| Xiamen AmoyChem Co., Ltd | +86-86-5926051114 +8615060885618 | sales@amoychem.com | China | 6369 | 58 |
| Hubei xin bonus chemical co. LTD | 86-13657291602 | linda@hubeijusheng.com | CHINA | 22963 | 58 |
| 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 | |
|---|---|---|---|---|---|---|---|---|
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2026-01-30 | 2-Isobutyl-3-methoxypyrazine
24683-00-9
|
US $31.00 / g | 98.31% | 10g | TargetMol Chemicals Inc. | ||
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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 | |
![]() |
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-Isobutyl-3-methoxypyrazine
24683-00-9
- US $31.00 / g
- 98.31%
- TargetMol Chemicals Inc.
-

- 2-Methoxy-3-isobutyl pyrazine
24683-00-9
- US $0.00-0.00 / KG
- 98.0%
- Shaanxi Dideu New Materials Co. Ltd
-

- 2-Methoxy-3-isobutyl pyrazine
24683-00-9
- US $34.00-1.10 / kg
- 99%
- Henan Fengda Chemical Co., Ltd







