Welcome to LookChem.com Sign In|Join Free
  • or
Kono Chem Co.,LtdHigh Quality Estrone//file1.lookchem.com/cas/reactions/2021/05/25/1915077.png
    x
  • Mr.Sam
  • Ms.Sarah
  • Mr.Edward
qq

Communicate with Supplier:

Mr. Hong
Mr. Hong: What can I do for you?

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,

Add to Inquiry Cart

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

2.jpg

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

dsc_2059_.jpgdsc_2081_.jpg24.jpg

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

tong baozhaung.jpg4.jpg.jpgpsbca2rtegy.jpgpsbca970cwf.jpgpsbca9fakts.jpgems.jpgups.jpg

dhl1.jpgtnt.jpgups2.jpg

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

Post a RFQ

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)