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Kono Chem Co.,LtdFactory supply Vitamin B2 Riboflavin//file1.lookchem.com/cas/reactions/2021/05/31/97825.png
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Factory supply Vitamin B2 Riboflavin CAS NO.83-88-5

FOB Price:
USD 50.00-60.00 /Kilogram Get Latest Price
Min.Order Quantity:
1 Kilogram
Purity:
99% by HPLC
Port:
Beijing or Guangzhou Port
Payment Terms:
L/C,D/A,D/P,T/T,MoneyGram,Other

Add to Inquiry Cart

Product Details

Keywords

  • Riboflavin
  • 83-88-5
  • Vitamin B2

Quick Details

  • ProName: Factory supply Vitamin B2 Riboflavin
  • CasNo: 83-88-5
  • Molecular Formula: C17H20N4O6
  • Appearance: yellow fine powder
  • Application: Applied in dietary supplements,pharmac...
  • DeliveryTime: Prompt after order confirmation
  • PackAge: aluminum foil bag,carton drum
  • Port: Beijing or Guangzhou Port
  • ProductionCapacity: 5 Metric Ton/Month
  • Purity: 99% by HPLC
  • Storage: Store in cool, dry place
  • Transportation: by sea or air
  • LimitNum: 1 Kilogram
  • Related Substances: NMT ≤2%
  • Residue on Ignition: 1 %
  • Heavy Metal: 1ppm
  • Valid Period: 2 years
  • Grade: Food Grade,Pharma Grade
  • Product name: Riboflavin
  • CAS: 83-88-5
  • Purity: 98%
  • Grade: Pharma grade

Superiority

superiority

kono 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

specifications

1.we supply vitamin b2
2.orange yellow crystalline powder
3.high qulity,competitive price
4.fast delivery
4.standard:cp2000

molecular formulac17h20n4o6

characteristics: orange yellow crystalline powder; micro foul, bitter taste

quality standard cp2000

assay : 98.0%-101.0%

function: 1. help to improve the quality of life of 2. treatment of migraine 3. promote the development and cell regeneration; 4. to the skin, nails, hair, the normal growth; 5. to help eliminate the mouth, lips, tongue inflammation; 6. to enhance visual acuity, reducing eye fatigue;

[packaging]: kraft paper bag or drum packaging, bag (barrels) net content of 25kg

items of test

limits of test

results of test

1.appearance

orange yellow crystalline powder

meets

2.identification

positive

meets

3.acidity or alkalinity

check the color of the test solution

after adding the respective solutions

meets

4.lumiflavin

absorbance of the filtrate at 440nm

does not exceed 0.025 (usp);not

more intense than by6(ep/bp)

0.008

meets

5.absorbance

0.31-0.33 a373nm/a267nm

0.36-0.39 a444nm/a267nm

0.32

0.38

6.particla size

100% passes through 60 mesh sieve

meets

7.specific rotation

between-115º and -135º

(ep/bp/usp)

-121º(usp)

-1300(bp/ep)

8.loss on drying

≤1.5%

0.4%

9.heavy metals

<10ppm

meets

10.residue on ignition

≤0.3% (usp)

≤0.1%(ep/bp)

0.1%

11.residual solvents

method iv <467>

(usp)

meets

12.assay(ondried basis)

98.0%-102.0% (usp)

97.0%-103.0% (ep/bp)

98.8%(usp)

99.7%(ep/bp)

conclusion: the product with this batch number meets all requirements of the

following valid compendia when tested accordingly: ep5+bp2008+ usp33.

...........................................................................................................................................................................................................................................

about service

1, delivery date: prompt

2, high quality and reasonable price, welcome to order.

3, other services: if you have special request to the product service and technical index, please inform us in time;

4, service tenet: we provide the high quality products and 100% customer satisfaction to after-sales service.

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