2-Methoxy-3-sec-butyl pyrazine
- CAS No.
- 24168-70-5
- Chemical Name:
- 2-Methoxy-3-sec-butyl pyrazine
- Synonyms
- 3-sec-butyl-2-methoxypyrazine;FEMA 3433;2-METHOXY-3-SEC-BUTYLPYRAZINE;2-methoxy-3-(1-methylpropyl)-pyrazin;2-METHOXY-3-(1-METHYLPROPYL)PYRAZINE;UNII:62UR370ONE;FEMA NUMBER 3433;galbanum pyrazine;2-SECBUTYL-3(5/6)-METHOXYP;3-S-BUTYL-2-METHOXYPYRAZINE
- CBNumber:
- CB7423299
- Molecular Formula:
- C9H14N2O
- Molecular Weight:
- 166.22
- MDL Number:
- MFCD00006136
- MOL File:
- 24168-70-5.mol
- MSDS File:
- SDS
- TDS File:
- TDS
| Product description | Number | Pack Size | Price |
| 2-Methoxy-3-(1-methylpropyl)pyrazine ≥98%, FG | W343307 | 1 each | $71.9 |
| 2-Methoxy-3-(1-methylpropyl)pyrazine ≥98%, FG | W343307 | 100g | $605 |
| 2-Methoxy-3-(1-methylpropyl)pyrazine ≥98%, FG | W343307 | 1kg | $4460 |
| 2-sec-Butyl-3-methoxypyrazine 99% | 243116 | 1g | $70.8 |
| 2-Methoxy-3-(1-methylpropyl)pyrazine ≥98%, FG | W343307 | 1 unit | $69.8 |
| More product size | |||
| Boiling point | 50 °C1 mm Hg(lit.) |
|---|---|
| Density | 1 g/mL at 25 °C |
| FLAVIS Number | 14.062 | 2-(sec-Butyl)-3-methoxypyrazine |
| refractive index |
n |
| FEMA | 3433 | 2-METHOXY-3-(1-METHYLPROPYL)PYRAZINE |
| Flash point | 171 °F |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| pka | 0.80±0.10(Predicted) |
| form | Liquid |
| Specific Gravity | 1.01 |
| color | Clear colorless |
| Odor | at 0.10 % in dipropylene glycol. musty green pea galbanum bell pepper |
| Odor Type | green |
| biological source | synthetic |
| JECFA Number | 791 |
| Henry's Law Constant | 2.0×10-1 mol/(m3Pa) at 25℃, Ebert et al. (2023) |
| Major Application | flavors and fragrances |
| Cosmetics Ingredients Functions | PERFUMING |
| InChI | 1S/C9H14N2O/c1-4-7(2)8-9(12-3)11-6-5-10-8/h5-7H,4H2,1-3H3 |
| InChIKey | QMQDJVIJVPEQHE-UHFFFAOYSA-N |
| SMILES | CCC(C)c1nccnc1OC |
| LogP | 2.62 |
| CAS DataBase Reference | 24168-70-5(CAS DataBase Reference) |
| Substances Added to Food (formerly EAFUS) | 2-METHOXY-3-(1-METHYLPROPYL)PYRAZINE |
| FDA UNII | 62UR370ONE |
| NIST Chemistry Reference | Pyrazine, 2-methoxy-3-(1-methylpropyl)-(24168-70-5) |
| EPA Substance Registry System | Pyrazine, 2-methoxy-3-(1-methylpropyl)- (24168-70-5) |
| UNSPSC Code | 12352100 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H302-H227-H302+H312+H332-H315-H319 | |||||||||
| Precautionary statements | P210-P261-P264-P270-P271-P280-P301+P312+P330-P302+P352+P312+P362+P364-P304+P340+P312-P305+P351+P338+P337+P313-P370+P378-P403+P235-P501 | |||||||||
| PPE | Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter | |||||||||
| Hazard Codes | Xn | |||||||||
| Risk Statements | 22-36/37/38-20/21/22 | |||||||||
| Safety Statements | 36/37/39-26-36/37/38 | |||||||||
| RIDADR | UN 3334 | |||||||||
| WGK Germany | 3 | |||||||||
| TSCA | TSCA listed | |||||||||
| HS Code | 29339900 | |||||||||
| Storage Class | 10 - Combustible liquids | |||||||||
| NFPA 704 |
|
2-Methoxy-3-sec-butyl pyrazine price More Price(57)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | W343307 | 2-Methoxy-3-(1-methylpropyl)pyrazine ≥98%, FG | 24168-70-5 | 1 each | $71.9 | 2026-04-30 | Buy |
| Sigma-Aldrich | W343307 | 2-Methoxy-3-(1-methylpropyl)pyrazine ≥98%, FG | 24168-70-5 | 100g | $605 | 2026-04-30 | Buy |
| Sigma-Aldrich | W343307 | 2-Methoxy-3-(1-methylpropyl)pyrazine ≥98%, FG | 24168-70-5 | 1kg | $4460 | 2026-04-30 | Buy |
| Sigma-Aldrich | 243116 | 2-sec-Butyl-3-methoxypyrazine 99% | 24168-70-5 | 1g | $70.8 | 2026-04-30 | Buy |
| Sigma-Aldrich | W343307 | 2-Methoxy-3-(1-methylpropyl)pyrazine ≥98%, FG | 24168-70-5 | 1 unit | $69.8 | 2025-07-31 | Buy |
2-Methoxy-3-sec-butyl pyrazine Chemical Properties,Uses,Production
Description
2-Methoxy-3-(l-methylpropyl)pyrazine is like green peas, galbarum oil, bell pepper. Prepared by condensation of isolencine amide with glyoxal, followed by methylation with CH2N2.
Chemical Properties
clear colorless liquid
Chemical Properties
2-Methoxy-3-(1-methylpropyl)pyrazine has an odor like green peas, galbanum oil or bell pepper.
Occurrence
Reported found in asparagus, carrot, celery, cucumber, lettuce, peas, bell pepper, ginger, Swiss cheese, white wine, beans, beetroot, parsnip root and pumpkin, sherry and krill.
Uses
A compound contents in musts and wines from Vitis vinifera variety Cabernet Sauvignon
Preparation
By condensation of isoleucine amide with glyoxal, followed by methylation with CH2N2.
Definition
ChEBI: 2-methoxy-3-(1-methylpropyl) pyrazine is a member of pyrazines and an aromatic ether.
Aroma threshold values
Detection: 0.001 ppb. Aroma characteristics at 1.0%: musty, green, vegetative, nutty, peppery and potato-like.
Taste threshold values
Taste characteristics at 1.0 ppm: musty, vegetative, potato, galbanum, fishy and earthy.
General Description
2-sec-Butyl-3-methoxypyrazine was identified as the main source of earthy/bell pepper (EBP) flavor in the Farmstead Cheddar cheeses.
2-Methoxy-3-sec-butyl pyrazine Preparation Products And Raw materials
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Hebei Chuanghai Biotechnology Co,.LTD | +86-86-13131129325 +8613131129325 | sales1@chuanghaibio.com | China | 5228 | 58 |
| Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 | info@fdachem.com | China | 20122 | 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 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21587 | 55 |
| career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29815 | 58 |
| SHANDONG ZHI SHANG CHEMICAL CO.LTD | +8613065062079 | sales@sdzschem.com | China | 1497 | 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 | 6366 | 58 |
| Alchem Pharmtech,Inc. | 8485655694 | sales@alchempharmtech.com | United States | 63687 | 58 |
View Lastest Price from 2-Methoxy-3-sec-butyl pyrazine manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2026-05-28 | 2-Methoxy-3-Sec-Butyl Pyrazine
24168-70-5
|
$2.00-5.00 | 1KG | 99% | 10000kg | Hebei Chuanghai Biotechnology Co,.LTD | |
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2025-12-01 | 2-Methoxy-3-sec-butyl pyrazine
24168-70-5
|
1KG | 98.0% | 10000KGS | Shaanxi Dideu New Materials Co. Ltd | ||
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2025-09-25 | 2-Methoxy-3-sec-butyl pyrazine
24168-70-5
|
$1.10-34.00 | 1kg | 99% | Henan Fengda Chemical Co., Ltd |
-

- 2-Methoxy-3-Sec-Butyl Pyrazine
24168-70-5
- $2.00-5.00
- 99%
- Hebei Chuanghai Biotechnology Co,.LTD
-

- 2-Methoxy-3-sec-butyl pyrazine
24168-70-5
- 98.0%
- Shaanxi Dideu New Materials Co. Ltd
-

- 2-Methoxy-3-sec-butyl pyrazine
24168-70-5
- $1.10-34.00
- 99%
- Henan Fengda Chemical Co., Ltd





