ChemicalBook >> CAS DataBase List >>4-Pentynoic acid, methyl ester
4-Pentynoic acid, methyl ester
- CAS No.
- 21565-82-2
- Chemical Name:
- 4-Pentynoic acid, methyl ester
- Synonyms
- Methyl 4-pentynoate;4-methyl pentynoate,;Pent-4-ynoic acid methyl ester;4-Pentynoic acid, methyl ester;Methyl pent-4-ynoate - [M71932]
- CBNumber:
- CB82520719
- Molecular Formula:
- C6H8O2
- Molecular Weight:
- 112.13
- MDL Number:
- MFCD12025043
- MOL File:
- 21565-82-2.mol
- MSDS File:
- SDS
Last updated:2026-05-28 04:54:36
| Product description | Number | Pack Size | Price |
| Methyl pent-4-ynoate ≥95% | OR55646 | 1g | $21 |
| Methyl pent-4-ynoate ≥95% | OR55646 | 5g | $32 |
| Methyl pent-4-ynoate ≥95% | OR55646 | 25g | $141 |
| Methyl pent-4-ynoate 97% | M71932 | 1g | $20 |
| Methyl pent-4-ynoate 97% | M71932 | 5g | $25 |
| More product size | |||
| Boiling point | 101-102 °C(Press: 175 Torr) |
|---|---|
| Density | 0.976±0.06 g/cm3(Predicted) |
| storage temp. | Storage temp. 2-8°C |
| form | Solid |
| Appearance | Colorless to light yellow Liquid |
| InChI | InChI=1S/C6H8O2/c1-3-4-5-6(7)8-2/h1H,4-5H2,2H3 |
| InChIKey | WCSNOLUUFIWIHY-UHFFFAOYSA-N |
| SMILES | C(OC)(=O)CCC#C |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS05 |
|---|---|
| Signal word | Danger |
| Hazard statements | H314 |
| Precautionary statements | P280-P301+P330+P331-P305+P351+P338 |
| HS Code | 2916199590 |
4-Pentynoic acid, methyl ester price
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Apolloscientific | OR55646 | Methyl pent-4-ynoate ≥95% | 21565-82-2 | 1g | $21 | 2026-06-04 | Buy |
| Apolloscientific | OR55646 | Methyl pent-4-ynoate ≥95% | 21565-82-2 | 5g | $32 | 2026-06-04 | Buy |
| Apolloscientific | OR55646 | Methyl pent-4-ynoate ≥95% | 21565-82-2 | 25g | $141 | 2026-06-04 | Buy |
| Synthonix | M71932 | Methyl pent-4-ynoate 97% | 21565-82-2 | 1g | $20 | 2026-05-06 | Buy |
| Synthonix | M71932 | Methyl pent-4-ynoate 97% | 21565-82-2 | 5g | $25 | 2026-05-06 | Buy |
4-Pentynoic acid, methyl ester Chemical Properties,Uses,Production
Uses
4-Pentynoic Acid Methyl Ester-d3 is an isotope analog of 4-Pentynoic Acid Methyl Ester. 4-Pentynoic Acid Methyl Ester is used in the synthetic preparation of butyloxazolyl ketones which is an inhibitor of fatty acid amide hydrolase, targeting Cys269 of its cytosolic port and the kinetics of their FAAH inhibition.
4-Pentynoic acid, methyl ester Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 56)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 | info@fdachem.com | China | 20122 | 58 |
| career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29815 | 58 |
| Neostar United (Changzhou) Industrial Co., Ltd. | +86-0519-85551759 +8613506123987 | marketing1@neostarunited.com | China | 8828 | 58 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +8618949823763 | sales@tnjchem.com | China | 34563 | 58 |
| Labnetwork lnc. | +86-27-50766799 +8618062016861 | contact@labnetwork.com | China | 19987 | 58 |
| Hunan Jibang Biological Technology Co., LTD | +8613776644403 | sales02@kingboomtech.com | China | 1804 | 58 |
| HANGZHOU LEAP CHEM CO., LTD. | +86-571-87711850 | market18@leapchem.com | China | 24597 | 58 |
| Zhengzhou Anbu Chem Co.,Ltd | +86-0371-88006763; +8615988602810 | sales@anbuchem.com | China | 3016 | 58 |
| SHANGHAI KEAN TECHNOLOGY CO., LTD. | +8613817748580 | cooperation@kean-chem.com | China | 40066 | 58 |
| Shanghai Xinchem | +86-021-64606569 +8618049800532 | xinchem@vip.126.com | China | 2881 | 58 |
View Lastest Price from 4-Pentynoic acid, methyl ester manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2025-09-25 | 4-Pentynoic acid, methyl ester
21565-82-2
|
$32.00 | 1KG | 99% | Henan Fengda Chemical Co., Ltd | ||
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2019-07-06 | 4-Pentynoic acid, methyl ester
21565-82-2
|
$1.00 | 1KG | 97% | 200KG | Career Henan Chemical Co |
-

- 4-Pentynoic acid, methyl ester
21565-82-2
- $32.00
- 99%
- Henan Fengda Chemical Co., Ltd
-

- 4-Pentynoic acid, methyl ester
21565-82-2
- $1.00
- 97%
- Career Henan Chemical Co
21565-82-2(4-Pentynoic acid, methyl ester)Related Search:
4-Pentynoic acid, methyl ester
Methyl 4-pentynoate
Pent-4-ynoic acid methyl ester
4-methyl pentynoate,
Methyl pent-4-ynoate - [M71932]
21565-82-2





