Hebei Guanlang Biotechnology Co., Ltd.

Tetracaine,Lidocaine,Procaine,Benzocaine,Phenacetin,tetramisole,Levamisole,Boric acid flakes,Boric acid Chunks,Diltiazem,chlorine dioxide disinfectant,Orlistat powder,methylamine hcl,4′-Methylpropiophenone,Valerophenone

Product Certification

Hebei Guanlang Biotechnology Co., Ltd.

Country:China (Mainland)

Business Type:Lab/Research institutions

Assessed supplierAssessed


  • Ms.Chang
    Tel: +8619930503256

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Chinese TOP1 supplier sells 99% cas 502-72-7 Cyclopentadecanone

Chinese TOP1 supplier sells 99% cas 502-72-7 Cyclopentadecanone CAS NO.502-72-7

  • FOB Price: USD: 100.00-1,000.00 /Metric Ton Get Latest Price
  • Min.Order: 1 Metric Ton
  • Payment Terms: L/C,T/T,Western Union,Other
  • Available Specifications:

    99(1-10)Metric Ton99(12-32)Metric Ton98(1-100)Metric Ton

  • Product Details


  • Cyclopentadecanone
  • cas 502-72-7
  • 502-72-7

Quick Details

  • ProName: Chinese TOP1 supplier sells 99% cas 50...
  • CasNo: 502-72-7
  • Appearance: liquid
  • Application: Synthetic flavors and fragrances
  • DeliveryTime: 7days
  • PackAge: 100
  • Port: shanghai
  • ProductionCapacity: 100 Metric Ton/Day
  • Purity: 99%min
  • Storage: Store below +30°C
  • Transportation: FOB/CIF, by sea or by air.
  • LimitNum: 1 Metric Ton
  • Testing Method: HPLC



Welcome to Hebei Guanlang Biotechnology Co.Ltd (Guanlang)

Guanlang is a fast growing intermediates company,Which located in Shijiazhuang,Hebei Province.Our main product is chlorine dioxide, Sodium dichloroisocyanurate(sdic or nadcc) ANDTrichloroisocyanuric acid (TCCA)for water treatment.We also supply raw materials for detergent and hand sanitizer products,such as carbopol 940,carbopol stock solution,Hydroxypropyl methyl cellulose (HPMC) and so on.


Guanlang also supply various industrial chemicals for customers, such as citric acid,potassium chloride etc.After ten years development,Crovell has become a Diversified development company,not only involves in chemicals, but also real estate ,agricultural products and so on.So far, Guanlang has  usiness in more than 35 countries,most big customers come from europe and America, because among the suppliers in China.

Guanlang can always make the product quality best, some of the products from Guanlang.This is the important reason for customers who choosing Crovell.In future, Guanlang must become to a more important trade bridge for china and foreign countries especially in pharmaceutical industries.




why choose our company

1. quality

our products meet msds safe standard and we have iso and other certificate so yan can get high quality products from our company.
2. price

we are the company which is the joint of trade and industry so we cao provide the competitive price and high quality product.



we can do according to the customers' request.


ems,dhl, tnt, ups ,fedex, by air, by sea
dhl express, fedex and ems for quantity less than 50kg, usually called as ddu service;
sea shipping for quantity over 500kg; and air shipping is available for 50kg above;
for high value products, please select air shipping and dhl express for safe;


we offer specialized logistic service including export declaration,customs clearance and every detail during shipment,this makes
us able to offer you one-stop service from the order to the products transported to your hand.

we will try our best to satisfied you.
1. tailor-made for every customers.
2. third-party test for the products you demand.
3. test your counter-samples and produce them for you.
4. best discount for old customers.





Product name  2,3-Butanediol
Cas number  513-85-9
Molecular formula  C4H10O2
Molecular weight  90.12
Appearance  Colorless transparent liquid
Melting point  25ºC
Boiling point  183-184ºC
Relative density  0.995


Other products of this supplier

Hebei Guanlang Biotechnology Co., Ltd.Tel:+8619930503256 Fax:0311-6656-2153  Email:sales@crovellbio.com
 Address:No.108,ZhongShan West Road,050000