≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 5 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 488186922 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488186922 |
| Canonical Smiles | C#CCC(C(=O)O)N |
| IUPAC Name | 2-aminopent-4-ynoic acid |
| InChIKey | DGYHPLMPMRKMPD-UHFFFAOYSA-N |
| INCHI | 1S/C5H7NO2/c1-2-3-4(6)5(7)8/h1,4H,3,6H2,(H,7,8) |
| Isomeric SMILES | C#CCC(C(=O)O)N |
| WGK Germany | 3 |
| Molecular Weight | 113.11 |
| Reaxy-Rn | 1748643 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1748643&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organic acids and derivatives |
| Class | Carboxylic acids and derivatives |
| Subclass | Amino acids, peptides, and analogues |
| Intermediate Tree Nodes | Amino acids and derivatives - Alpha amino acids and derivatives |
| Direct Parent | Alpha amino acids |
| Alternative Parents | Unsaturated fatty acids Amino acids Monocarboxylic acids and derivatives Carboxylic acids Acetylides Organopnictogen compounds Organic oxides Monoalkylamines Hydrocarbon derivatives Carbonyl compounds |
| Molecular Framework | Aliphatic acyclic compounds |
| Substituents | Alpha-amino acid - Unsaturated fatty acid - Fatty acid - Fatty acyl - Amino acid - Carboxylic acid - Monocarboxylic acid or derivatives - Acetylide - Organic nitrogen compound - Hydrocarbon derivative - Organic oxide - Primary amine - Organooxygen compound - Organonitrogen compound - Organopnictogen compound - Primary aliphatic amine - Organic oxygen compound - Carbonyl group - Amine - Aliphatic acyclic compound |
| Description | This compound belongs to the class of organic compounds known as alpha amino acids. These are amino acids in which the amino group is attached to the carbon atom immediately adjacent to the carboxylate group (alpha carbon). |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 F2305195 | Certificate of Analysis | Mar 03, 2025 | D133969 |
| F2305196 | Certificate of Analysis | Mar 03, 2025 | D133969 |
| F2305199 | Certificate of Analysis | Mar 03, 2025 | D133969 |
| F2305200 | Certificate of Analysis | Mar 03, 2025 | D133969 |
| F2305203 | Certificate of Analysis | Mar 03, 2025 | D133969 |
| K2112424 | Certificate of Analysis | Aug 04, 2023 | D133969 |
| K2112399 | Certificate of Analysis | Aug 04, 2023 | D133969 |
| F2305192 | Certificate of Analysis | May 13, 2023 | D133969 |
| B2314423 | Certificate of Analysis | Feb 20, 2023 | D133969 |
| L2010024 | Certificate of Analysis | Sep 20, 2022 | D133969 |
| L1626011 | Certificate of Analysis | Jan 25, 2022 | D133969 |
| Molecular Weight | 113.110 g/mol |
|---|---|
| XLogP3 | -2.800 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 2 |
| Exact Mass | 113.048 Da |
| Monoisotopic Mass | 113.048 Da |
| Topological Polar Surface Area | 63.300 Ų |
| Heavy Atom Count | 8 |
| Formal Charge | 0 |
| Complexity | 133.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 1 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
| 1. Fu Shaodong, Wang Zhenglei, Han Xiangan, Xu Yuanyuan, Miao Jinfeng. (2023) The therapeutic potential for targeting CSE/H2S signaling in macrophages against Escherichia coli infection. VETERINARY RESEARCH, 54 (1): (1-12). [PMID:37644526] [10.1186/s13567-023-01203-8] |
| 2. Jia Honglei, Chen Sisi, Liu Dan, Liesche Johannes, Shi Cong, Wang Juan, Ren Meijuan, Wang Xiaofeng, Yang Jun, Shi Wei, Li Jisheng. (2018) Ethylene-Induced Hydrogen Sulfide Negatively Regulates Ethylene Biosynthesis by Persulfidation of ACO in Tomato Under Osmotic Stress. Frontiers in Plant Science, [PMID:30386366] [10.3389/fpls.2018.01517] |
| 3. Rong-Xin Song, Xiao-Yi Ma, Ting-Ting Zhou, Zhi-Fang Yu, Jun Wang, Bao-Dong Li, Yu-Mo Jing, Han Wang, Yue Fu, Rui-Zhao Lv, Shi-Yan Jia, Xiao-Ming Li, Li-Min Zhang. (2024) Excessive hydrogen sulfide-induced activation of NMDA receptors in the colon participates in anxiety- and compulsive-like behaviors in a rodent model of hemorrhagic shock and resuscitation. INTERNATIONAL IMMUNOPHARMACOLOGY, [PMID:39332088] [10.1016/j.intimp.2024.113255] |
| 4. Wang Jun, Zhang Nan, Liu Hong-Zheng, Wang Jin-Liang, Zhang Yong-Bo, Su Dong-Dong, Zhang Li-Min, Li Bao-Dong, Miao Hui-Tao, Miao Jun. (2025) Hydrogen Sulfide (H2S) Generated in the Colon Induces Neuropathic Pain by Activating Spinal NMDA Receptors in a Rodent Model of Chronic Constriction Injury. NEUROCHEMICAL RESEARCH, 50 (2): (1-13). [PMID:39883291] [10.1007/s11064-025-04342-w] |
| 5. Ze Deng, Jiajia Cheng, Yaqi Zhang, Yue Zhao, Zimin Wei, Caihong Song. (2025) The inhibition of cystathionine gamma-lyase and cystathionine beta-synthase - a strategy to reduce hydrogen sulfide emissions during livestock manure composting. JOURNAL OF ENVIRONMENTAL MANAGEMENT, [PMID:40784225] [10.1016/j.jenvman.2025.126890] |
