Min.Order / FOB Price:Get Latest Price
10 Gram |
Negotiable |
Vitamin U price Vitamin U supplier Vitamin U factory
1. Hubei Jusheng Technology Co., Ltd., is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates in China.
2. The yearly production capacity is 50000MT, 80% for export.We have a professinal export team. Both by Air and by Sea,we ensure that we meet the customer expectations with promptness.
3. Our company facing global High-tech pharmaceutical raw materials, high complex new type intermediates, fine chemicals custom synthesis, scale-up production and Rare chemicals trade. Corey have well-equipped machine, strong technical force and considerate marketing team service.
4. We also have rich experience advantage in basic research, small scale process development, scale-up, industrial technology development & production and cost control.
ITEM | SPECIFICATIONS | RESULTS |
Appearance | Slightly yellow, clear, viscous oil | Qualified |
Assay by G.C | 98.0_102.0% | 98.8% |
Identity | Corresponds | Qualified |
Infrared spectrum | Meets EP requirement | Qualified |
Option rotation | -0.01°~ +0.01° | Qualified |
Density(20°C) | 0.952_0.966g/ml | 0.955g/ml |
Refractive index(20°C) | 1.494_1.498 | 1.496 |
Related substances |
Impurities A, C: for each impurity ≤ 0.5% Impurity B ≤ 1.5% Sum of impurity D+E ≤ 1.0% Any other impurities: Meet EP requirements Total impurities: ≤ 2.5% |
Qualified |
Absorbance in ethanol: At about 284nm (max) At about 254nm (min) |
42.0_45.0 7.5_9.0 |
44.0 8.8 |
Acidity | Max.1.0ml of 0.1 N NaOH | 0.04 ml |
Sulphated ashes | ≤0.1% | 0.03% |
Heavy metals | ≤10ppm | <5ppm |
Lead | ≤2ppm | 0.04ppm |
Arsenic | ≤3ppm | <1ppm |
Free tocopheryl | ≤1.0% | 0.35% |
Organic volatile impurities | Meets USP requirements | Qualified |
Conclusion: The product complies with USP/BP/EP/FCC standard |
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