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Dear Customer:

The current international situation is complex and volatile, and uncertain tariff policies may potentially impact our product prices. Given these uncertainties, we value your understanding regarding order-related matters.

If you decide to place an order during this period, we reserve the right to adjust the price based on the evolving situation. We understand that market changes may cause inconvenience. We will negotiate with you if there’s a significant price fluctuation due to tariff policy changes before the order’s actual delivery, and in such cases we may adjust or cancel the order as necessary.

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主要文件

安全信息

PZ0006

Sigma-Aldrich

依西美坦

≥98% (HPLC)

别名:

6-Methyleneandrosta-1,4-diene-3,17-dione

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About This Item

经验公式(希尔记法):
C20H24O2
分子量:
296.40
MDL编号:
UNSPSC代码:
51111800
PubChem化学物质编号:
NACRES:
NA.77

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质量水平

方案

≥98% (HPLC)

表单

powder

旋光性

[α]/D +250 to +300°, c = 1 in methanol

颜色

white to off-white

溶解性

DMSO: ≥20 mg/mL

储存温度

2-8°C

SMILES字符串

C[C@]12CC[C@H]3[C@@H](CC(=C)C4=CC(=O)C=C[C@]34C)[C@@H]1CCC2=O

InChI

1S/C20H24O2/c1-12-10-14-15-4-5-18(22)20(15,3)9-7-16(14)19(2)8-6-13(21)11-17(12)19/h6,8,11,14-16H,1,4-5,7,9-10H2,2-3H3/t14-,15-,16-,19+,20-/m0/s1

InChI key

BFYIZQONLCFLEV-DAELLWKTSA-N

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G5168PZ0111M4074
Exemestane ≥98% (HPLC)

PZ0006

Exemestane

PD-407824 ≥98% (HPLC)

PZ0111

PD-407824

form

powder

form

powder

form

powder

form

powder

assay

≥98% (HPLC)

assay

≥89% (HPLC)

assay

≥98% (HPLC)

assay

≥98% (HPLC)

Quality Level

100

Quality Level

200

Quality Level

100

Quality Level

100

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

solubility

DMSO: ≥20 mg/mL

solubility

DMSO: 5 mg/mL

solubility

DMSO: >10 mg/mL

solubility

DMSO: ≥20 mg/mL

color

white to off-white

color

light yellow

color

yellow to orange

color

white to off-white

生化/生理作用

Exemestane is a steroidal antiestrogen and irreversible aromatase inhibitor. Exemestane acts as a false substrate for the aromatase enzyme. Exemestane also prevents the conversion of androgens to estrogens and is used to treat estrogen-dependent breast cancer.
Exemestane is a steroidal antiestrogen; aromatase inhibitor.

特点和优势

This compound is featured on the Nuclear Receptors (Steroids) page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

象形图

Health hazardEnvironment

警示用语:

Danger

危险声明

危险分类

Aquatic Chronic 2 - Repr. 1B

储存分类代码

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

监管及禁止进口产品

  • 历史批次信息供参考:

    分析证书(COA)

    Lot/Batch Number

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    Willemien van de Water et al.
    European journal of cancer (Oxford, England : 1990), 49(2), 297-304 (2012-09-08)
    Multiple studies suggest better efficacy of chemotherapy in invasive ductal breast carcinomas (IDC) than invasive lobular breast carcinomas (ILC). However, data on efficacy of adjuvant endocrine therapy regimens and histological subtypes are sparse. This study assessed endocrine therapy efficacy in
    Willemien van de Water et al.
    The oncologist, 18(1), 8-13 (2012-12-25)
    For postmenopausal patients with hormone-sensitive breast cancer, outcome is worse with increasing age at diagnosis. The aim of this study was to assess the incidence of breast cancer recurrence (locoregional and distant), and contralateral breast cancer by age at diagnosis.
    Nan Soon Wong et al.
    Expert opinion on pharmacotherapy, 6(13), 2353-2363 (2005-10-13)
    Breast cancer is a major health problem in developed countries. Endocrine therapy is a key component in the management of hormone receptor-positive disease. Although tamoxifen has historically been the gold standard in the first-line management of early and advanced breast
    John M S Bartlett et al.
    Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 30(36), 4477-4484 (2012-10-10)
    Some postmenopausal patients with hormone-sensitive early breast cancer remain at high risk of relapse despite endocrine therapy and, in addition, might benefit from adjuvant chemotherapy. The challenge is to prospectively identify such patients. The Mammostrat test uses five immunohistochemical markers
    John Fr Robertson et al.
    The Lancet. Oncology, 14(3), 228-235 (2013-02-19)
    Insulin-like growth factors (IGF-1 and IGF-2) bind to the IGF-1 receptor (IGF-1R), increasing cell proliferation and survival. Ganitumab is a monoclonal IgG1 antibody that blocks IGF-1R. We tested the efficacy and safety of adding ganitumab to endocrine treatment for patients

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