China (Mainland)
Assessedsupplier 
Factory supply Vitamin B2 Riboflavin CAS NO.83-88-5
- FOB Price: USD: 50.00-60.00 /Kilogram Get Latest Price
- Min.Order: 1 Kilogram
- Payment Terms: L/C,D/A,D/P,T/T,Other
- Available Specifications:
TOP (1-25)KilogramTOP (25-50)Kilogram
- 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. |
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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.
