Kono Chem Co.,Ltd
Country: China (Mainland)
Year Established: 2012
Business License:
Business type: Other
Product Certificate:(1)
- HALAL
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High Quality Estrone CAS NO.53-16-7

FOB Price:: USD 50.00-100.00 /Kilogram Get Latest Price

Min.Order Quantity:: 1 Kilogram

Purity:: 99.90%

Port:: Beijing or Guangzhou

Payment Terms:: L/C,T/T,

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Product Details

Keywords

Estrone
53-16-7
C21H26O5

Quick Details

ProName: High Quality Estrone
CasNo: 53-16-7
Molecular Formula: C21H26O5
Appearance: solid or liquid
Application: for pharma use
DeliveryTime: Prompt
PackAge: drum and bag
Port: Beijing or Guangzhou
ProductionCapacity: 100 Metric Ton/Year
Purity: 99.90%
Storage: in sealed air resistant place
Transportation: by sea or air
LimitNum: 1 Kilogram
Related Substances: NMT0.001%
Residue on Ignition: 0.00%
Heavy Metal: NMT1ppm
Valid Period: 2 years
Product name: Estrone
Form: powder
Test Method: HPLC
Appearance: White crystal powder
Origin: China
CAS No.: 53-16-7
Certificate: ISO/Halal/Kosher
Shelf life: 2 years
Specification: 98%
MF: C21H26O5

Superiority

superiority

pioneerbiotech is a leading manufacturer and supplier of chemicals in china. we develop ,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals.

we could give you:
1.best quality in your requirement
2.competitive price in china market
3.mature technical support
4.professional logistic support
all we want is win-win business. send yr. inquiries, you will get it!

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

packaging details:	1.1kilogram l-glutathione powder per aluminum foil bag with one plastic-bag inside; 2.5 kilograms l-glutathione powder per aluminum foil bag with one plastic-bag inside; 3.25 kilograms l-glutathione powder per cardboard barrel with one plastic-bag inside; 4.packaging as the customers' requirements.
delivery detail:	3-7 days after payment

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