Letrozole 112809-51-

Min.Order / FOB Price:Get Latest Price

1 Kilogram	FOB Price: USD 12.0000

1 Kilogram

FOB Price: USD 12.0000

Min.Order :1 Kilogram
Purity: 99%
Payment Terms : T/T,,MoneyGram,Other

Keywords

Letrozole cas:112809-51-5 Assay99%、CP、EP、USP、JP、BP Factory、Manufacturers、Raw material 、Low price、 4,4'-(1H-1,2,4-Triazol-1-ylmethylene)bisbenzonitrile

Quick Details

Appearance:white powder
Application:1. The treatment of advanced breast cancer after menopause or receptor (estrogen receptor, progesterone receptor positie unknown), multi-purpose at anti-estrogen treatment failure after second-line tr
PackAge:as your requirement
ProductionCapacity:55|Kilogram|Month
Storage:low temperature
Transportation:by sea or by air

Superiority:

CERTIFICATE OF ANALYSIS

Product name:	Letrozole	MFG Date:	2013-06-07
Batch No:	20130607	Exp. Date:	2015-06-06
Report Date:	2013-06-15	Quantity:	200kg

Item	Standard	Result
Characters	White or off-white crystaline powder	Off-white Crystalline powder
Solubility	Practically insoluble in water,freely soluble in methylene chloride,sparingly soluble in methanol	Complies
Identification	(1) Maximum absorption in wavelength of 240 nm Minimum absorption in wavelength of 215 nm	Complies
Identification	(2) Infrared spectrum should be in accordance the dominant peak of contrast.	Complies
Melting point	181℃~185℃	182.2℃-183.6℃
Related substances	Impurity A ≤0.3%	Not detected
	Impurity B ≤0.2%	Not detected
	Single impurity ≤0.1%	0.01%
	Other total impurity≤0.3%	0.05%
Residue on ignition	≤0.1%	0.04%
Water	≤0.3%	0.06%
Heavy metals	≤10ppm	Complies
Assay	98.0%-102.0%	99.86%
Conclusion	Confirms

Analyst：wuhao Checker: shilijuan Supervisor :maohongjun

Details:

Identification
Name		Letrozole
Synonyms		4,4'-(1H-1,2,4-Triazol-1-ylmethylene)bisbenzonitrile

Molecular Structure

Molecular Formula		C₁₇H₁₁N₅
Molecular Weight		285.31
CAS Registry Number		112809-51-5

Properties

Melting point		181-183 ºC

Safety Data

MSDS		Available