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ChemicalBook >> CAS DataBase List >> Letrozole

Letrozole

Letrozole price.
  • $39 - $2440
  • Product name: Letrozole
  • CAS: 112809-51-5
  • MF: C17H11N5
  • MW: 285.3
  • EINECS:675-034-8
  • MDL Number:MFCD00866241
  • Synonyms:Letrozole99%;CGS-20267, Femara;letrozolex;Lelrozol;1-[BIS(4-CYANOPHENYL)METHYL]-1,2,4-TRIAZOLE;4,4'-(1H-1,2,4-Triazol-1-ylmethylene)dibenzonitrile;4,4'-(1H-1,2,4-Triazole-1-ylmethylene)bisbenzonitrile;4,4'-[(1H-1,2,4-Triazole-1-yl)methylene]dibenzonitrile
Price90 Properties Safety Information Description
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Brand
  • Abosyn
  • AHH
  • AK Scientific
  • ApexBio Technology
  • Arctom
  • AstaTech
  • AvaChem
  • Axon Medchem
  • Biorbyt Ltd
  • Biosynth
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Package
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  • 0.025kg
  • 10
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  • y0000685
  • 25G
  • 0.05kg
  • 10mM(in1mLDMSO)
  • 50g
  • 100g
  • 0.1kg
  • 250g
  • 10mM(in 1mL DMSO)
  • 500g
  • 1000g
  • 80 mg
  • ManufacturerAbosyn
  • Product number30-1150
  • Product descriptionLetrozole 95%-98%
  • Packaging1g
  • Price$310
  • Updated2021-12-16
  • Buy
  • ManufacturerAHH
  • Product numberAPI-1284
  • Product descriptionLetrozole 97%
  • Packaging0.5g
  • Price$620
  • Updated2026-05-26
  • Buy
  • ManufacturerAHH
  • Product numberAPI-1284
  • Product descriptionLetrozole 98%
  • Packaging0.5g
  • Price$620
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberH020
  • Product descriptionLetrozole
  • Packaging1g
  • Price$241
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberH020
  • Product descriptionLetrozole 98%(HPLC)
  • Packaging5g
  • Price$256
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ10423
  • Product descriptionLetrozole 99%(HPLC)
  • Packaging25mg
  • Price$39
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ50663
  • Product descriptionLetrozole 95%
  • Packaging1g
  • Price$61
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberH020
  • Product descriptionLetrozole 98%(HPLC)
  • Packaging1g
  • Price$82
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ10423
  • Product descriptionLetrozole 99%(HPLC)
  • Packaging100mg
  • Price$117
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ50663
  • Product descriptionLetrozole 95%
  • Packaging5g
  • Price$183
  • Updated2026-06-04
  • Buy
  • ManufacturerApexBio Technology
  • Product numberA1307
  • Product descriptionLetrozole
  • Packaging10mM(in 1mL DMSO)
  • Price$80
  • Updated2021-12-16
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  • ManufacturerApexBio Technology
  • Product numberA1307
  • Product descriptionLetrozole
  • Packaging100mg
  • Price$80
  • Updated2026-05-06
  • Buy
  • ManufacturerApexBio Technology
  • Product numberA1307
  • Product descriptionLetrozole
  • Packaging10mM(in1mLDMSO)
  • Price$88
  • Updated2026-05-06
  • Buy
  • ManufacturerApexBio Technology
  • Product numberA1307
  • Product descriptionLetrozole
  • Packaging100mg
  • Price$100
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberCFN60262
  • Product descriptionLetrozole
  • Packaging20mg
  • Price$70
  • Updated2021-12-16
  • Buy
  • ManufacturerAstaTech
  • Product number40200
  • Product descriptionLETRAZOLE 95%
  • Packaging1G
  • Price$43
  • Updated2026-04-30
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
Abosyn 30-1150 Letrozole 95%-98% 1g $310 2021-12-16 Buy
AHH API-1284 Letrozole 97% 0.5g $620 2026-05-26 Buy
AHH API-1284 Letrozole 98% 0.5g $620 2021-12-16 Buy
AK Scientific H020 Letrozole 1g $241 2021-12-16 Buy
AK Scientific H020 Letrozole 98%(HPLC) 5g $256 2026-06-04 Buy
AK Scientific J10423 Letrozole 99%(HPLC) 25mg $39 2026-06-04 Buy
AK Scientific J50663 Letrozole 95% 1g $61 2026-06-04 Buy
AK Scientific H020 Letrozole 98%(HPLC) 1g $82 2026-06-04 Buy
AK Scientific J10423 Letrozole 99%(HPLC) 100mg $117 2026-06-04 Buy
AK Scientific J50663 Letrozole 95% 5g $183 2026-06-04 Buy
ApexBio Technology A1307 Letrozole 10mM(in 1mL DMSO) $80 2021-12-16 Buy
ApexBio Technology A1307 Letrozole 100mg $80 2026-05-06 Buy
ApexBio Technology A1307 Letrozole 10mM(in1mLDMSO) $88 2026-05-06 Buy
ApexBio Technology A1307 Letrozole 100mg $100 2021-12-16 Buy
Arctom CFN60262 Letrozole 20mg $70 2021-12-16 Buy
AstaTech 40200 LETRAZOLE 95% 1G $43 2026-04-30 Buy
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Properties

Melting point :181-183°C
Boiling point :563.5±60.0 °C(Predicted)
Density :1.21±0.1 g/cm3(Predicted)
storage temp. :2-8°C
solubility :DMSO: >50mg/mL
pka :1.52±0.11(Predicted)
form :White powder
color :white to off-white
Merck :14,5450
InChI :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
InChIKey :HPJKCIUCZWXJDR-UHFFFAOYSA-N
SMILES :C(C1=CC=C(C=C1)C#N)(C1=CC=C(C=C1)C#N)N1C=NC=N1
CAS DataBase Reference :112809-51-5(CAS DataBase Reference)

Safety Information

Symbol(GHS): Health Hazard (GHS08)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501
Precautionary statements:
P202 Do not handle until all safety precautions have been read and understood.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P308+P313 IF exposed or concerned: Get medical advice/attention.
P405 Store locked up.
P501 Dispose of contents/container to..…

Description

Letrozole (trade name: Femara) is an orally active nonsteroidal aromatase inhibitor. As a competitive inhibitor of the aromatase, Letrozole inhibits the conversion of androgens to estrogen (estrogen stimulates breast tissues and breast cancer reoccurrence) and gonadal steroidogenesis. It can be used for the treatment of breast cancer that is hormonally-responsive or has an unknown receptor status in postmenopausal women. Besides this, Letrozole also has some off-label use such as ovarian stimulation, pretreatment of termination of pregnancy, treatment of gynecomastia, treatment of endometriosis, and promoting spermatogenesis for male patients of nonobstructive azoospermia.

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Suppliers and manufacturers

Doublewin Biological Technology Co., Ltd
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$1.00
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qingdao future trading Co., Ltd
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$850.00
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Shanghai Getian Industrial Co., LTD
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$25.00
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Hebei Yanxi Chemical Co., Ltd.
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$80.00
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Firsky International Trade (Wuhan) Co., Ltd
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$30.00
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Wuhan Han Sheng New Material Technology Co.，Ltd
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Shaanxi Haibo Biotechnology Co., Ltd
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Shandong Huisheng Import & Export Co., Ltd.
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Anhui Zhongda Biotechnology Co., Ltd
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