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크기 선택
제품정보 (DICE 배송 시 비용 별도)
실험식(Hill 표기법):
C17H11N5
CAS 번호:
Molecular Weight:
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
Letrozole is a non-steroidal aromatase inhibitor.
Letrozole is a third generation nonsteroidal aromatase inhibitor. It is a competitive inhibitor of the aromatase enzyme system and thus inhibits the conversion of androgens to estrogens. Letrozole inhibits the aromatase enzyme by competitively binding to the heme of the cytochrome P450 subunit of the enzyme, resulting in a reduction of estrogen biosynthesis in all tissues.
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
저장 등급
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
G Allevi et al.
British journal of cancer, 108(8), 1587-1592 (2013-04-13)
The objective of this study was to determine the optimal scheduling of 2.5 mg daily letrozole in neoadjuvant breast cancer patients to obtain pathological complete response (pathCR) and assess Ki-67 expression as an early predictor of response. This single institution
Pamela J Goodwin et al.
Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 32(21), 2231-2239 (2014-06-18)
Obesity is associated with poor outcomes in women with operable breast cancer. Lifestyle interventions (LIs) that help women reduce their weight may improve outcomes. We conducted a multicenter randomized trial comparing mail-based delivery of general health information alone or combined
Antonio C Wolff et al.
Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 31(2), 195-202 (2012-12-13)
Recent data showed improvement in progression-free survival (PFS) when adding everolimus to exemestane in patients with advanced breast cancer experiencing recurrence/progression after nonsteroidal aromatase inhibitor (AI) therapy. Here, we report clinical outcomes of combining the mammalian target of rapamycin (mTOR)
Valentina Guarneri et al.
Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 32(10), 1050-1057 (2014-03-05)
This is a randomized, double-blind, placebo-controlled study aimed to evaluate the clinical and biologic effects of letrozole plus lapatinib or placebo as neoadjuvant therapy in hormone receptor (HR) -positive/human epidermal growth factor receptor 2 (HER2) -negative operable breast cancer. Ninety-two
Israel Ortega et al.
Fertility and sterility, 99(3), 889-896 (2012-12-04)
To evaluate the effects of letrozole on ovarian size and steroidogenesis in vivo, as well as on proliferation and steroidogenesis of theca-interstitial cells alone and in coculture with granulosa cells using an in vitro model. In vivo and in vitro studies. Research laboratory. Immature
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