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关于此项目
经验公式（希尔记法）:
C17H11N5
化学文摘社编号:
分子量:
285.30
NACRES:
NA.24
PubChem Substance ID:
UNSPSC Code:
41116107
MDL number:
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
SMILES string
N#CC(C=C1)=CC=C1C(N2C=NC=N2)C3=CC=C(C#N)C=C3
InChI key
HPJKCIUCZWXJDR-UHFFFAOYSA-N
grade
pharmaceutical primary standard
API family
letrozole
manufacturer/tradename
EDQM
application(s)
pharmaceutical (small molecule)
format
neat
storage temp.
2-8°C
Gene Information
human ... CYP19A1(1588)
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General description
This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the Issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.
Application
Letrozole EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.
Biochem/physiol Actions
来曲唑是一种非甾体芳香酶抑制剂。
来曲唑是第三代非甾体芳香酶抑制剂。 它是芳香酶系统的竞争性抑制剂，因此可抑制雄激素向雌激素转化。来曲唑通过竞争性结合到该酶的细胞色素P450亚基的血红素上而抑制芳香酶，导致所有组织中雌激素的生物合成减少。
Packaging
The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.
Other Notes
Sales restrictions may apply.
signalword
Warning
hcodes
Hazard Classifications
Repr. 2 - STOT RE 2
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
监管及禁止进口产品
此项目有
Rob Riemsma et al.
Current medical research and opinion, 28(8), 1263-1279 (2012-06-29)
Third-generation aromatase inhibitors (letrozole, anastrozole) have shown superior efficacy in early and advanced breast cancer compared with tamoxifen. For HR+, HER2+ MBC, combination of an AI with an anti-HER2 agent (lapatinib or trastuzumab) has shown clinical benefit. Six databases were
Dennis C Sgroi et al.
Journal of the National Cancer Institute, 105(14), 1036-1042 (2013-07-03)
Biomarkers to optimize extended adjuvant endocrine therapy for women with estrogen receptor (ER)-positive breast cancer are limited. The HOXB13/IL17BR (H/I) biomarker predicts recurrence risk in ER-positive, lymph node-negative breast cancer patients. H/I was evaluated in MA.17 trial for prognostic performance
Mothaffar F Rimawi et al.
Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 31(14), 1726-1731 (2013-04-10)
We previously reported the eradication of human epidermal growth factor receptor 2 (HER2)- amplified human xenografts in mice by inhibition of the HER2 pathway with lapatinib and trastuzumab to block all homo- and heterodimer signaling as well as by blockade
Volkan Turan et al.
Fertility and sterility, 100(6), 1681-1685 (2013-09-24)
To investigate the safety and feasibility of performing two consecutive ovarian stimulation cycles with the use of letrozole protocol for fertility preservation in breast cancer patients. Retrospective cohort study. Academic fertility preservation center. Seventy-eight women ≤ 45 years, diagnosed with
Jingyi Cheng et al.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 54(3), 333-340 (2013-02-13)
Although endocrine therapy is an effective method to treat estrogen receptor (ER)-positive breast cancer, approximately 30%-40% of all hormone receptor-positive tumors display de novo resistance. The aim of our current study was to analyze whether (18)F-labeled fluoromisonidazole (1-(2-nitro-1-imidazolyl)-2-hydroxy-3-fluoropropane [(18)F-FMISO]) PET/CT
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