Determine the necessary mass, volume, or concentration for preparing a solution.
| Activity Type | Activity Value -log(M) | Mechanism of Action | Activity Reference | Publications (PubMed IDs) |
|---|
Moligand™, ≥98% Moligand™ 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 8 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Letrozole has been used:
· in organoid growth assay to determine its inhibitory capacity(48)
· to investigate steroid receptor coactivator-1 (SRC-1) mediated endogenous estrogen regulation of hippocampal PSD-95(49)
· to determine its effects on tumor-induced hyperalgesia(50)
· for hormonal manipulation in rats(51)
· to study its effects on lipocalin-2 (Lcn2)(52)
· to determine its effects on mechanical hyperalgesia and aromatase expression(53)
| ALogP | 2.7 |
|---|
| Pubchem Sid | 504750730 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504750730 |
| Canonical Smiles | C1=CC(=CC=C1C#N)C(C2=CC=C(C=C2)C#N)N3C=NC=N3 |
| IUPAC Name | 4-[(4-cyanophenyl)-(1,2,4-triazol-1-yl)methyl]benzonitrile |
| InChIKey | HPJKCIUCZWXJDR-UHFFFAOYSA-N |
| INCHI | 1S/C17H11N5/c18-9-13-1-5-15(6-2-13)17(22-12-20-11-21-22)16-7-3-14(10-19)4-8-16/h1-8,11-12,17H |
| Isomeric SMILES | C1=CC(=CC=C1C#N)C(C2=CC=C(C=C2)C#N)N3C=NC=N3 |
| WGK Germany | 3 |
| RTECS | DI4957000 |
| Molecular Weight | 285.30 |
| Reaxy-Rn | 6813913 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=6813913&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 | Benzenoids |
| Class | Benzene and substituted derivatives |
| Subclass | Diphenylmethanes |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Diphenylmethanes |
| Alternative Parents | Benzonitriles Triazoles Heteroaromatic compounds Nitriles Azacyclic compounds Organopnictogen compounds Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Diphenylmethane - Benzonitrile - Heteroaromatic compound - 1,2,4-triazole - Azole - Azacycle - Organoheterocyclic compound - Nitrile - Carbonitrile - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organonitrogen compound - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as diphenylmethanes. These are compounds containing a diphenylmethane moiety, which consists of a methane wherein two hydrogen atoms are replaced by two phenyl groups. |
| External Descriptors | nitrile - triazoles |
| Activity Type | Activity Value -log(M) | Mechanism of Action | Activity Reference | Publications (PubMed IDs) |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | May 21, 2026 | L129473 | |
| Certificate of Analysis | May 21, 2026 | L129473 | |
| Certificate of Analysis | May 21, 2026 | L129473 | |
| Certificate of Analysis | May 21, 2026 | L129473 | |
| Certificate of Analysis | May 21, 2026 | L129473 | |
| Certificate of Analysis | May 11, 2026 | L129473 | |
| Certificate of Analysis | May 11, 2026 | L129473 | |
| Certificate of Analysis | Aug 14, 2025 | L129473 | |
| Certificate of Analysis | Aug 14, 2025 | L129473 | |
| Certificate of Analysis | Aug 14, 2025 | L129473 | |
| Certificate of Analysis | Aug 14, 2025 | L129473 | |
| Certificate of Analysis | Jul 10, 2025 | L129473 | |
| Certificate of Analysis | Jul 10, 2025 | L129473 | |
| Certificate of Analysis | Jul 10, 2025 | L129473 | |
| Certificate of Analysis | Jul 10, 2025 | L129473 | |
| Certificate of Analysis | May 22, 2025 | L129473 | |
| Certificate of Analysis | May 22, 2025 | L129473 | |
| Certificate of Analysis | May 22, 2025 | L129473 | |
| Certificate of Analysis | May 22, 2025 | L129473 | |
| Certificate of Analysis | Apr 18, 2025 | L129473 | |
| Certificate of Analysis | Nov 28, 2024 | L129473 | |
| Certificate of Analysis | Nov 28, 2024 | L129473 | |
| Certificate of Analysis | Nov 28, 2024 | L129473 | |
| Certificate of Analysis | Apr 13, 2024 | L129473 | |
| Certificate of Analysis | May 25, 2023 | L129473 | |
| Certificate of Analysis | May 25, 2023 | L129473 | |
| Certificate of Analysis | May 25, 2023 | L129473 | |
| Certificate of Analysis | May 10, 2023 | L129473 | |
| Certificate of Analysis | May 10, 2023 | L129473 | |
| Certificate of Analysis | May 10, 2023 | L129473 | |
| Certificate of Analysis | Jul 26, 2022 | L129473 |
| Sensitivity | Heat sensitive |
|---|---|
| Molecular Weight | 285.300 g/mol |
| XLogP3 | 2.700 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 3 |
| Exact Mass | 285.101 Da |
| Monoisotopic Mass | 285.101 Da |
| Topological Polar Surface Area | 78.300 Ų |
| Heavy Atom Count | 22 |
| Formal Charge | 0 |
| Complexity | 420.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
| 1. Kong Lingnan, Abulizi Abudula, Cong Jingjing, Meng Weihan, Chang Yaqing, Sun Zhihui. (2025) Characterization of CYP3A genes and the impact of letrozole on gonadal development in Apostichopus japonicus. AQUACULTURE INTERNATIONAL, 33 (3): (1-18). [PMID:] [10.1007/s10499-025-01862-8] |
| 2. Xiao-yu Xu, Jing Chen, Zhong-xi Chen, Zhe-yan Zhang, Le-hao Jin, Jian-chao Luo, Yun-shan Zhong, Qi Zhou, Jian-chang Qian. (2025) CYP3A4 activity variations can lead to stratified metabolism of abemaciclib. INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES, [PMID:39933681] [10.1016/j.ijbiomac.2025.140836] |
| 3. Zhi-Qiang Liu, Chuan-Zhi Yan, Shu-Mei Zhong, Chao-Jie Chong, Ya-Qi Wu, Jun-Yang Liu, Chun-Xiang Huang, Ke-Ying Wang, He-Wei Li, Jia-Le Song. (2024) Dietary Antrodia cinnamomea Polysaccharide Intervention Modulates Clinical Symptoms by Regulating Ovarian Metabolites and Restructuring the Intestinal Microbiota in Rats with Letrozole-Induced PCOS. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, [PMID:39632724] [10.1021/acs.jafc.4c06855] |
| 4. Zheng Xiufen, Chen Zikai, Liang Miao, Zhou Liting, Wang Miaoru, Zhang Silin, Zhang Shuyun, Ma Lei, Yi Wei, Liu Xiawen. (2025) Targeting UGT2B15 and NR1H4 interaction: a novel therapeutic strategy for polycystic ovary syndrome using naftopidil enantiomers. Journal of Ovarian Research, 18 (1): (1-14). [PMID:39856707] [10.1186/s13048-025-01598-2] |
| 5. Pan Li, Li Xie, Huimin Zheng, Yinglin Feng, Feihong Mai, Wenli Tang, Jiajia Wang, Zixin Lan, Shuaijun Lv, Thisun Jayawardana, Sabrina Koentgen, Shuangbin Xu, Zhengwei Wan, Yunjie Chen, Haiyan Xu, Sj Shen, Fan Zhang, Yuanhao Yang, Georgina Hold, Fangjie He, Emad M. El-Omar, Guangchuang Yu, Xia Chen. (2025) Gut microbial-derived 3,4-dihydroxyphenylacetic acid ameliorates reproductive phenotype of polycystic ovary syndrome. iMeta, [PMID:41112053] [10.1002/imt2.70065] |
| 6. Huang Ruoxi, Yi Yaxin, Zhang Shiyu, Wang Jiaxin, Yuan Haikuan, Lu Jie. (2025) Folic acid grafted amphiphilic dextran-b-poly(ε-benzyloxycarbonyl- l-lysine) micelles for drug’s pH-responsive release. POLYMER BULLETIN, 83 (1): (31). [PMID:] [10.1007/s00289-025-06092-9] |
| 7. Hongru Qin, Jiajia You, Jitong Zhou, Liangwei Yang, Huaibiao Xu, Runchao Tao, Rongbing Chen, Yongwei Cheng, Wei Wu, Da Sun, Jing Wu. (2026) Aerobic Exercise Mitigates Perimenopausal Dysfunction and Is Associated With Gut Microbiota Remodeling and Multi-Organ Crosstalk. FASEB JOURNAL, 40 (6): (e71646). [PMID:] [10.1096/fj.202504419R] |
| 8. Yang Jiao, Man Yuan, Liqin Chen, Shuang Qiu, Juan Chen, Dongliang Wang. (2026) Edible bird’s nest ameliorates hyperandrogenism and gonadotropin imbalance in a rat model of polycystic ovary syndrome. Frontiers in Nutrition, [PMID:41867671] [10.3389/fnut.2026.1779908] |
Our grade selection guide covers purity, stabilizer status, and application suitability for all variants in our catalog.
View Moligand™ grade guide →