High Quality Estrone

Details:

 High Quality Estrone

 

Introduction 

English Name:Estrone

Test Method:HPLC

Purity:≥98%

[Synonyms]Estrone

[CAS No.]53-16-7

[Mol. Formula]C18H22O2

[Mol. Weight]270.37

[Botanical Source]Animal

[Loss on drying] ≤2.0%

[Catalogue No.]C-021

[Purity]>98% 99% by HPLC

[Packaging]20mg, 50mg,100mg,1g,10g,100g,kgs and so on

Package and quantity according to customer's detail requirement.

[Remark] In stock, customized for large scale.

[lead time] one month to two months for kgs customization

[Storage]Stored without light and heat. Stored in cool, dry , airproof and innocuous conditions

Specification 

 

Item	Standard		Test Results
Identification	A.H-NMR:Comply with the structure		Complies
	B.LC-MS:Comply with the structure		Complies
	C.The IR spectrum of sample should be identical with that of reference standard;		Complies
	D.HPLC-ESI-MS The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.		Complies
Crystallinity	meets the requirements.		Complies
Loss on drying	≤2.0%		0.19%
Heavy metals	≤10 ppm		<10ppm
Water	≤1.0%		0.1%
Sulphated ash	≤0.5%, determined on 1.0 g.		0.009%
Related substances	Unspecified impurities: for each impurity	≤0.10%	<0.10%
	Total Impurity	≤0.5%	0.18%
Purity	≥99.0%		99.7%
Assay	99.0%~101.0% (anhydrous substance).		99.8%
Microbiological Analysis
Total plate count	≤1000cfu/g		Complies
Yeast and Moulds	≤100cfu/g		Complies
E. Coli.	Absent		Negative
Salmonella	Absent		Negative
S.aureus	Absent		Negative
Storage	Preserve in well-closed, light-resistant and airtight containers.		Complies

Packaging & Delivery 

 

 

Company Information

Kono Chem., Ltd was established in 2014, which is subordinated to PIONEER BIOTECH Hong

Kong, and has got great support from the State Department of Commerce as one of the most 

promising export-oriented manufacturing enterprises.

 

Kono Chem is head-quarted in Xi’ an Shaanxi Province, China, with convenient transportation

access, covering an area of 312, 000 square meters, and technicians accounted for 35% of the total employees. Presently, we have two chemical fermentation plant, one test reaction plant, 

and one Provincial Research and Development Center now. Our well-equipped facilities and 

excellent quality control throughout production enables us to guarantee customer satisfaction.

 

From the very beginning, we strictly manage our production according to the demand of ISO9000,ISO14001, now has received the recognition from customers all over the world and has 

passed the audit by authoritative labs. At present, our products are mainly related to bio-pharmaceuticals, flavors, intermediates of pesticides, veterinary drugs development, as well 

as some custom synthesis. 

Thanks to our EHS management system and high quality control, now 85% of our products are well-selling and appreciated in almost 50 countries all over the world, and established long-term cooperative business relationship with multinational companies such as CIPLA,BIOCON,

DSM. Persisting to the principle of “Integrity and diligence”, we are rising up with 

hardworking employees and efficient research and development system. We are engaging to 

play an active role in the development of chemical industry together with you!

 

 

Business Type	Manufacturer
Main Products:	glutathione,nadh,dha,lycopene,AA2G
Location:	Shaanxi, China (Mainland)
Year Established:	2014
Number Of Employees:	51 - 100 People

 

 

 

Contact us

Yoyo

QQ: 3011124028

Skype: konoyoyo

Web: www.konochemical.com

Address: 11 Daqing Road, Xi’an, Shaanxi 710082, P.R. China Kono Chem Co., Ltd