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Products

Prophylactic Biological Products

98% up by HPLC USP32 LETROZOLE 112809-51-5

Category:

Prophylactic Biological Products

CAS NO:

112809-51-5

Standard:

USP,BP,EP,JP,In-house Standards,

Price Range:

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Main Sales Markets:

North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East

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Sinoway Industrial Co. Ltd

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Basic Info

CAS Number

112809-51-5

Pharmacopoeia

USP,BP,EP,JP,In-house Standards

Grade

Pharmaceutical Grade

Is Manufacturer

YES

Packaging & Delivery

Packaging Specification

25kg/drum 1kg/bottle

Delivery Cycle

7 days after payment

Product Description

Product Information

Product name	Letrozole
Molecular Formula	C17H11N5
Molecular Weight	285.3
CAS No.	112809-51-5
Quality Standard	USP32, medical grade
Appearance	White powder

COA of Letrozole

Items	Specification
Appearance	White to yellowish, crystalline powder
Identification	A.IR spectrum of sample should be identical to that of Reference Standard;
	The retention time of major peak in the chromatogram of the Assay preparation should correspond to that in the chromatogram of Standard preparation, as obtained in the Assay.
	Showing the white precipitate reaction.
Water	Not more than 0.3%
Residue on Ignition	Not more than 0.1%
Heavy Metals	Not more than 0.001%
Related Compounds	Compound A: Not more than 0.1%
	4,4’,4”-methylidenetrisbenzonitrile: Not more than 0.2%
	Any other impurity: Not more than 0.1%
	All other impurities: Not more than 0.3%
Residual Sovents	Ethanol: Not more than 3000ppm
	Ethyl acetate: Not more than 2000ppm
	DMF: Not more than 880ppm
Microbe Limit	Bacteria: Not more than 200/g
	Mold and yeast: Not more than 50/g
	Escherichia coli: should be absent
Assay(anhydrous)	98.0% to 102.0% of Cl7H11N5 on dried basis
Packaging and Storage	Preserve in tight containers at controlled room temperature.
Conclusion	Conforms to the USP32.