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Riboflavin(Vitamin B2)

Model No.︰83-88-5
Brand Name︰BSY
Country of Origin︰China
Unit Price︰-
Minimum Order︰10 pc
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Product Description

Hot sale lactoflavine vitamin b2 cas no 83-88-5

product name:vitamine b2

other name:vitamin b2

molecular formula: c17h20n4o6

cas number: 83-88-5

einecs number: 201-507-1

 

1. specification:

items

specification

results

appearance

orange yellow crystalline powder

meets

identification

positive

meets

acidity or alkalinity

check the color of the test solution after adding the respective solutions

meets

lumiflavin

absorbance of the filtrate at 440nm does not exceed 0.025 (usp);

not more than intense than by6 (ep/bp)

0.006

meets

absorbance

0.31~0.33 a373nm/a267nm

0.36~0.39 a444nm/a267nm

0.32

0.38

particle size

100% passes through 80 mesh sieve

meets

specific rotation

between -115°and -135°

(bp/ep/usp)

-119°(usp)

-126°(bp/ep)

loss on drying

≤ 1.5%

0.3%

heavy metals

<10ppm

meets

residue on ignition

≤0.3%(usp)

≤0.1%(ep/bp)

0.1%

organic volatile impurities

method iv <467>(usp)

meets

assay (on dry basis)

98.0-102.0%(usp)

97.0~103.0%(ep/bp)

99.0%(usp)

100.0%(bp/ep)

conclusion: the product complies with bp2008/ep5/usp32standard

2. function:

Help to improve the quality

Treatment of migraine

Promote the development and cell regeneration;

To the skin, nails, hair, the normal growth;

To help eliminate the mouth, lips, tongue inflammation;

To enhance visual acuity, reducing eye fatigue;

Payment Terms︰T/T,Western Union,MoneyGram
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