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Hangzhou Dingyan Chem Co., LtdD-Biotin High purity Vitamin H CAS:58-85-5 22879-79-4//file1.lookchem.com/cas/reactions/2021/05/26/86838.png
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D-Biotin High purity Vitamin H CAS:58-85-5 22879-79-4 CAS NO.58-85-5

MSDS/COA Download

FOB Price:
USD 1.00-5.00 /Kilogram Get Latest Price
Min.Order Quantity:
1 Kilogram
Purity:
99%
Port:
Shanghai or Hangzhou
Payment Terms:
L/C,T/T,Other

Add to Inquiry Cart

Product Details

Keywords

  • Hhig purity D-Biotin
  • Vitamin H
  • 22879-79-4

Quick Details

  • ProName: D-Biotin High purity Vitamin H CAS:58...
  • CasNo: 58-85-5
  • Molecular Formula: C10H16N2O3S
  • Appearance: White or almost white crystalline powd...
  • Application: Nutritional supplements. According to ...
  • DeliveryTime: 5 workdays after payment
  • PackAge: By foil-alum bag or pap
  • Port: Shanghai or Hangzhou
  • ProductionCapacity: 99999 Kilogram/Year
  • Purity: 99%
  • Storage: /
  • Transportation: /
  • LimitNum: 1 Kilogram

Superiority

item

standard

result

appearance

white or almost white crystalline powder

conform

identification

the retention time of sample in the main peaks correspond to that of the ref.standard

conform

ir should conform

conform

specific rotation

+89.0~+93.0°

+91.4°

loss on drying

≤0.4%

0.06%

related substances

any single impurity≤1.0%

<0.1%

total impurities≤2.0%

<0.1%

residual solvents

toluene≤100ppm

<10ppm

benzene≤2ppm

<0.5ppm

dmso≤5000ppm

<500ppm

total plate count

≤1000cfu/g

not detected

yeasts & moulds

≤100cfu/g

not detected

e-coli

not detectable / 1g

not detected

staphylococcus aureus

not detectable / 1g

not detected

pseudomonas aeruginosa

not detectable / 1g

not detected

enterobacteria

not detectable / 1g

not detected

salmonella

not detectable / 10g

not detected

assay

97.5~100.5%

99.2%

conclusion

this product conforms to usp39 & in-house standard.

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hangzhou dingyan chem 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

company profile

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our company is located in hangzhou xiasha economic development zone,zhejiang.it is a professional engaged in pharmaceutical raw materials pharmaceutical intermediates, fine chemical,biochemical reagents and other high-tech product development.sales , import and export into a modern private enterprises company.

we owm a number of senior medical research and engineer,and hplc analysis testing instrument has been equipped. it lays the foundation for the research and development of our new product. every year we will launch new produces which with high-tech content and have the international market competitiveness.

oue company has passed has passed the iso9001:2008 . the high-quality products of our company is sell well in more than 60 countries such as north america western europe ,southeast asia , central and south america. now we have established long-term stable relations of cooperation with the pharmaceutical enterprises of europe,

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package

weight

package

<25kg

by foil-alum bag/pap/bottle

≥25kg

package: 25kg/drum/bag or as your request

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shipment

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payment

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about us

our company is specialized in the development, sales and self-run import and export of pharmaceutical raw materials, pharmaceutical intermediates, fine chemicals and biochemical reagents.

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customer distribution

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our competitive advantage:

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!

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our certificate

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faq

q1 can i get some samples

a1 yes, we can supply the free sample, but the shipping cost be paid by our customers.

q2 how to start orders or make payments

a2 proforma invoice will be sent first after confirmation of order, enclosed our bank information. payment by t/t, or paypal or escrow(alibaba).

q3 how to confirm the product quality before placing orders

a3 you can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. you can send us your product specifications and requests,we will manufacture the products according to your requests.

q4 what’s your moq

a4 our moq is 1kg. but usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

q5 how about delivery leadtime

a5 delivery lead time: about 3-5 days after payment confirmed. (chinese holiday not included)

q6 is there a discount

a6 different quantity has different discount.

q7 how do you treat quality complaint

a7 first of all, our quality control will reduce the quality problem to near zero. if there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.

q8 how to contact us

a9 you can chat with us by trademanager,msn&skype online.

you can choose your interested products and send inquiry to us.

you can dial our telephone directly or send email to us., you will get our reply.

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