Letrozole

更新时间： 2024-09-29 19:28:00

CAS号：112809-51-5

常用名： 来曲唑

价格：
￥需询单/1kg

纯度： 99.9%

备货期： 需询单

库存： 现货

其他详情（用途，包装）：
Names
[ Name ]: letrozole
[ Synonym ]: More Synonyms
Chemical & Physical Properties
[ Density ]: 1.1±0.1 g/cm3
[ Boiling Point ]: 472.0±55.0 °C at 760 mmHg
[ Melting Point ]: 181-183ºC
[ Molecular Formula ]: C17H11N5
[ Molecular Weight ]: 263.337
[ Flash Point ]: 214.2±24.5 °C
[ Exact Mass ]: 263.142242
[ PSA ]: 78.29000
[ LogP ]: 3.70
[ Vapour Pressure ]: 0.0±1.2 mmHg at 25°C
[ Index of Refraction ]: 1.615
MSDS
Material Safety Data Sheet
Section1. Identification of the substance

Product Name: 4,4’-((1H-1,2,4-triazol-1-yl)methylene)dibenzonitrile
Synonyms:
Section2. Hazards identification

Harmful by inhalation, in contact with skin, and if swallowed.
Section3. Composition/information on ingredients.

Ingredient name:4,4’-((1H-1,2,4-triazol-1-yl)methylene)dibenzonitrile
CAS number:112809-51-5
Section4. First aid measures

Skin contact:Immediately wash skin with copious amounts of water for at least 15 minutes while removing
contaminated clothing and shoes. If irritation persists, seek medical attention.
Eye contact:Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate
flushing of the eyes by separating the eyelids with fingers. If irritation persists, seek medical
attention.
Inhalation:Remove to fresh air. In severe cases or if symptoms persist, seek medical attention.
Ingestion:Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention.
Section5. Fire fighting measures

In the event of a fire involving this material, alone or in combination with other materials, use dry
powder or carbon dioxide extinguishers. Protective clothing and self-contained breathing apparatus
should be worn.
Section6. Accidental release measures

Personal precautions: Wear suitable personal protective equipment which performs satisfactorily and meets local/state/national
standards.
Respiratory precaution:Wear approved mask/respirator
Hand precaution:Wear suitable gloves/gauntlets
Skin protection:Wear suitable protective clothing
Eye protection:Wear suitable eye protection
Methods for cleaning up: Mix with sand or similar inert absorbent material, sweep up and keep in a tightly closed container
for disposal. See section 12.
Environmental precautions: Do not allow material to enter drains or water courses.
Section7. Handling and storage

Handling:This product should be handled only by, or under the close supervision of, those properly qualified
in the handling and use of potentially hazardous chemicals, who should take into account the fire,
health and chemical hazard data given on this sheet.
Store in closed vessels.
Storage:
Section8. Exposure Controls / Personal protection

Engineering Controls: Use only in a chemical fume hood.
Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles.
General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse.
Section9. Physical and chemical properties

Appearance:Not specified
Boiling point:No data
No data
Melting point:
Flash point:No data
Density:No data
Molecular formula:C17H11N5
Molecular weight:285.3
Section10. Stability and reactivity

Conditions to avoid: Heat, flames and sparks.
Materials to avoid: Oxidizing agents.
Possible hazardous combustion products: Carbon monoxide, nitrogen oxides.
Section11. Toxicological information

No data.
Section12. Ecological information

No data.
Section13. Disposal consideration

Arrange disposal as special waste, by licensed disposal company, in consultation with local waste
disposal authority, in accordance with national and regional regulations.
Section14. Transportation information

Non-harzardous for air and ground transportation.
Section15. Regulatory information

No chemicals in this material are subject to the reporting requirements of SARA Title III, Section
302, or have known CAS numbers that exceed the threshold reporting levels established by SARA
Title III, Section 313.

SECTION 16 - ADDITIONAL INFORMATION

N/A
Safety Information
[ Hazard Codes ]: Xi: Irritant;C: Corrosive;
[ Risk Phrases ]: R36/37/38
[ Safety Phrases ]: 26-36
[ RIDADR ]: NONH for all modes of transport
[ RTECS ]: DI4957000
[ HS Code ]: 2933990090
Synthetic RoutePrevious 1/5 Next
1,2,4-Triazole
288-88-0

1,2,4-Triazole

N/A
935477-95-5

N/A

~99%

Letrozole
112809-51-5

Letrozole

Literature: Palle, Venkata Raghavendra Acharyulu; Kalaria, Ashok Jerambhai; Shelke, Sandip Ashok Patent: US2007/100149 A1, 2007 ; Location in patent: Page/Page column 7 ;
1,2,4-Triazole
288-88-0

1,2,4-Triazole

benzonitrile,4-(chloromethyl)benzonitrile
112809-57-1

benzonitrile,4-...

~75%

Letrozole
112809-51-5

Letrozole

Literature: CHEMAGIS LTD. Patent: US2007/112202 A1, 2007 ; Location in patent: Page/Page column 5; 7 ;
s-triazine
290-87-9

s-triazine

N/A
1280504-38-2

N/A

~72%

Letrozole
112809-51-5

Letrozole

Literature: GENERICS [UK] LIMITED; MYLAN INDIA PRIVATE LIMITED; GORE, Vinayak Govind; SHUKLA, Vinay Kumar; BHANDARI, Sheryas; HASBE, Suresh; MEKDE, Sandeep Patent: WO2010/146391 A1, 2010 ; Location in patent: Page/Page column 18-19 ;
Precursor & DownStream
Precursor 8 Previous 1/2 Next
1,2,4-Triazole Structure CAS#:288-88-0
1,2,4-Triazole
benzonitrile,4-(chloromethyl)benzonitrile Structure CAS#:112809-57-1
benzonitrile,4-...
s-triazine Structure CAS#:290-87-9
s-triazine
4-(1H-1,2,4-triazol-1-ylmethyl)benzonitrile hydrochloride Structure CAS#:112809-26-4
4-(1H-1,2,4-tri...
DownStream 0
Customs
[ HS Code ]: 2933990090
[ Summary ]: 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
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Detail
Synonyms
4,4'-(1H-1,2,4-triazol-1-ylmethylene)bis(benzonitrile)
UNII-7LKK855W8I
Letrozol
Letoval
5-[Bis(4-methylphenyl)methyl]-1H-1,2,4-triazole
1H-1,2,4-Triazole, 5-[bis(4-methylphenyl)methyl]-
4,4'-(1H-1,2,4-Triazol-1-ylmethylene)bisbenzonitrile
Femera
MFCD00866241
[14C]-Letrozole
4,4'-((1H-1,2,4-Triazol-1-yl)methylene)dibenzonitrile
4-[(4-cyanophenyl)-(1,2,4-triazol-1-yl)methyl]benzonitrile
Femara
Letrozole

公司名：济南德普顿斯化工科技有限公司

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商品数： 160件

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公司名：上海化源世纪贸易有限公司

区域：上海市普陀区

价格：

联系人：徐经理

产品详情： 来曲唑

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公司名：上海阿拉丁生化科技股份有限公司

区域：上海市浦东新区

价格：
￥93.9/1g ￥882.9/25g ￥276.9/5g ￥189.9/1ml

联系人：阿拉丁

产品详情： Letrozole

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公司名：江西瑞威尔生物科技有限公司

区域：吉安市峡江县

价格：
￥650.0/25g ￥需询单/100mg ￥需询单/10g ￥需询单/100g

联系人：李经理

产品详情： 来曲唑

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来曲唑供应商

2024-07-15 价格：需询单 来曲唑

2022-02-19 价格：￥93.9 Letrozole

2022-09-16 价格：￥650.0 来曲唑

2018-07-10 价格：￥需询单 Letrozole

2018-08-13 价格：￥需询单 来曲唑

2017-08-08 价格：￥需询单 来曲唑

2024-04-18 价格：￥100.0 来曲唑

2022-04-25 价格：￥需询单 Letrozole

2016-10-07 价格：￥需询单 来曲唑

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